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Manuale per l’uso Brother DCP-8080DN/8085DN

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  • Brother DCP-8080DN/8085DN - page 1

    Confidential Laser FAX/MFC SERVICE MANUAL Read this manual thorou ghly before maintenance wor k. K eep this man ual in a conv enient place f or quick and ea sy refere nce at all times. January 2009 SM-F AX105 MODEL: DCP-8080DN/8085DN MFC-8480DN/8880DN/8890DW ...

  • Brother DCP-8080DN/8085DN - page 2

    Confidential TRADEMARKS The Brother logo is a registe red trademark of Brother Industries, Lt d. Apple and Macintosh are trademarks of Apple Inc., r egistered in the United S tates and other countries. PCL is either a trademark or a register ed trademar k of Hewlett- Packard Company in the United S t ates and other countries. Windows V ista is eith ...

  • Brother DCP-8080DN/8085DN - page 3

    i Confidential PREF ACE This service manu al contains basic info rmation required for af ter-sales service of the Laser Multi-Function Center (here inafter referred to as "the machine") . This information is vital to the service personnel to ma intain the hig h printing quality and performance of the machine. This service manual covers th ...

  • Brother DCP-8080DN/8085DN - page 4

    ii Confidential APPENDIX 1: FIRMW ARE SWITCHES (WSW) APPENDIX 2: DELETION OF USER SETTING INFORMA TION, etc. Provides instructions on how to delete such as user setting inform ation recorded in the machine. APPENDIX 3: SERIAL NUMBERING SYSTEM APPENDIX 4: SCREW CA T ALOGUE APPENDIX 5: REFERE NCES APPENDIX 6: GLOSSAR Y Information in this manual is s ...

  • Brother DCP-8080DN/8085DN - page 5

    iii Confidential REGULA TION For Europe and Other countries ■ Radio interference (220 to 240 volt model o nly) This machine follows EN55022 (C ISPR Publication 22)/Class B. Before you use this product, make sure that you use one of the following interface cables. (1) A shielded parallel interfac e cable with twiste d-pair conduc tors an d that it ...

  • Brother DCP-8080DN/8085DN - page 6

    iv Confidential ■ Internal laser radi ation Maximum radiatio n power: 5 mW W ave length: 770 - 810 n m Laser class: Class 3B ■ EU Directive 2002/96/EC and EN50419 (European Union only) This equipment is marked with the above recycling sym bol. It means that at the end of the life of the equipment you must di spose of it separate ly at an approp ...

  • Brother DCP-8080DN/8085DN - page 7

    v Confidential For USA and Canada ■ Federal Communications Commissio n (FCC) Declaration of Conformity (For USA) Responsible Par ty: Brother Inte rnational Corpor ation 100 Somerset Corpora te Boulevard P. O . B o x 6 9 1 1 Bridgewater , NJ 08807-091 1 USA T elephone: (9 08) 704-17 00 declares, that the product s Product name: Laser Printer DCP-8 ...

  • Brother DCP-8080DN/8085DN - page 8

    vi Confidential ■ Industry Canada Compliance S t atement (For Canada) This Class B digital apparatus co mplies with Canadian ICES-003. Cet appareil n umérique de la classe B est conforme à la norme NMB-003 du Canada. ■ Laser Safety (1 10 to 120 volt model only) This machine is certified as a Class 1 laser prod uct und er the U.S. Departme nt ...

  • Brother DCP-8080DN/8085DN - page 9

    vii Confidential SAFETY INFORMA TION ■ Caution for Laser Product (W ARNHINWEIS fur Laser drucker) CAUTION: When the machine during servic ing is operated with the cover open , the regulations of VBG 93 and the performance instruction s for VBG 93 are valid. CAUTION: In case of any trouble with the lase r unit, replace the laser unit it self. T o ...

  • Brother DCP-8080DN/8085DN - page 10

    viii Confidential ■ Definitions of W arnings, Cautions and Notes The following conventions are us ed in this service manual: Mark Content s W arnings tell you what to do to pre vent possible personal injury . Electrical Hazard icons alert you to a possible electrical shock. Hot Surface icons wa rn you not to touch ma chine parts that are hot. Cau ...

  • Brother DCP-8080DN/8085DN - page 11

    ix Confidential WARNING If you analyze malfunctions with the power plug inserted into the power outlet, special caution should be exercised even if the p o wer switch is OFF because it is a single pole switch. WARNING DO NOT use flammable subst ances, any type of spray or any organic solvent/liquids contains alcohol or ammonia to clean the inside o ...

  • Brother DCP-8080DN/8085DN - page 12

    CHAPTER 1 SPECIFICA TIONS ...

  • Brother DCP-8080DN/8085DN - page 13

    Confidential CHAPTER 1 SPECIFICA TIONS This chapter lists the specificat ions of e ach model, which enables yo u to make a comparison of differ ent models. CONTENTS 1. COMPONENTS ..... ................ ............. ................ ............. ................ ............. ................ . 1-1 2. SPECIFICA TIONS LIST ..... ............. ..... ...

  • Brother DCP-8080DN/8085DN - page 14

    1-1 Confidential 1. COMPONENTS The equipment consist s of the following major components: Fig. 1-1 Driver PCB Joint Cover ASSY NCU PCB Scanner Unit ADF Unit Panel Unit Speaker ASSY Back Cover Outer Chute ASSY Rear Chute ASSY Fuser Unit Main PCB Access Cover Side Cover L Side Cover R Laser Unit T oner LED PCB ASSY Paper T ray High-voltage PS PCB PS ...

  • Brother DCP-8080DN/8085DN - page 15

    1-2 Confidential 2. SPECIFICA TIONS LIST 2.1 Printing *1 Using 1200 dpi setting (1 200 x 1200 d pi) the print speed will be slower . *2 The time may change if the machine is calibrating or registering itself. S pecifications are subject to change without notice. Model DCP 8080DN DCP 8085DN MFC 8480DN MFC 8880DN MFC 8890DW Print method Electrophotog ...

  • Brother DCP-8080DN/8085DN - page 16

    1-3 Confidential 2.2 Functions <Controller> <Sof tware> Download from http://solutions.broth er .com . Model DCP 8080DN DCP 8085DN MFC 8480DN MFC 8880DN MFC 8890DW CPU 300 MHz Back up Clock Y es (up to 60 hours) Memory S tandard 64 MB Option 1 DIMM slot; expandable up to 57 6 MB Interface IEEE 1284 Parallel, Hi-S peed USB 2.0, Ethernet ...

  • Brother DCP-8080DN/8085DN - page 17

    1-4 Confidential <System requirement s> Computer Platform & Operating System V ersion Processor S pe ed Minimum RAM Recom- mended RAM Available Hard Disk Sp a c e Windows ® Windows Vista ® Intel ® Pentium ® 4 or equivalent 64-bit supported CPU 512MB 1GB 50MB Windows Server ® 2003 x64 Edition AMD Opteron™ AMD Athlon™ 64 Intel ® X ...

  • Brother DCP-8080DN/8085DN - page 18

    1-5 Confidential 2.3 Electronics and Mechanics Model DCP 8080DN DCP 8085DN MFC 8480DN MFC 8880DN MFC 8890DW Power consumption Printing Average660 W at 25 °C (77 °F) S tandby Average 85 W at 25 °C (77 °F) Sleep Averag e 15 W at 25 °C (77 °F) Average 17 W at 25 °C (77 °F) Average 18 W at 25 °C (77 °F) Noise level Sound Pressure Printing: 54 ...

  • Brother DCP-8080DN/8085DN - page 19

    1-6 Confidential 2.4 Network Connectivity <Ethernet wired network> Network node type NC-6800h Operating s ystem support Windows Vi sta ® , Windows Server ® 2003 x64 Edition, Windows ® XP Professional x64 Edition, Wind ows Server ® 2003, Windows ® XP Home Edition/Professional, Windows ® 2 000 Professional, Mac OS ® X 10.3.9 or greater P ...

  • Brother DCP-8080DN/8085DN - page 20

    1-7 Confidential <Wireless network> Network node type NC-7600w Operating s ystem support Windows Vi sta ® , Windows Server ® 2003 x64 Edition *2 , Windows ® XP Professional x6 4 Edition *1 , Wind ows ® 2003, Wind ows ® XP , Windows ® 2000, Mac OS ® X 10.3.9 or greater Protocol support TCP/IP: IPv4 ARP , RARP , BOOTP , DHCP , APIP A (Au ...

  • Brother DCP-8080DN/8085DN - page 21

    1-8 Confidential 2.5 Service Information These are key service information to maint ain the product. Machine life: 20 0,000 pages MTBF (Mean time between fa ilure): Up to 4000 ho urs MTTR (Meantime to rep air): Average 0.5 ho urs Monthly volume: 30,000 pages Periodical replacem ent parts: * As for periodical replacem ent parts, refer to CHAP TER 4 ...

  • Brother DCP-8080DN/8085DN - page 22

    1-9 Confidential 2.6 Paper 2.6.1 Paper handling *1 Calculated w ith 80 g/m 2 (20 lb) paper . Model DCP 8080DN DCP 8085DN MFC 8480DN MFC 8880DN MFC 8890DW Paper Input *1 S tandard tray 250 sheets Multi- purpose tray 50 Sheets (Plain)/ 3 S heets (Envelope ) Option 250 sh eets ADF up to 50 sheets (Xerox4024 20lbs, environment: temp. 20-30C humiditiy 5 ...

  • Brother DCP-8080DN/8085DN - page 23

    1-10 Confidential 2.6.2 Media specifications *2 Up to 10 sheet s. *3 Up to 3 sheet s. *4 Legal is not available in some re gions out side the USA and Canada. 2.6.3 T ype and size of p aper The printer loads p aper from the installe d paper tray or the multi-purpose tray . The name s for the pa per trays in the printer driver as follows; Fig. 1-2 Mo ...

  • Brother DCP-8080DN/8085DN - page 24

    1-11 Confidential <Media type> T ray 1/2 MP T ray DX Choose the media type from the prin ter driver Plain p aper 75 to 105 g/m 2 (20 to 28 lb) Ye s Ye s Ye s Plain p aper Recycled p aper Ye s Ye s Ye s Recycled p aper Bond pa per Rough p aper- 60 to 161 g/m 2 (16 to 43 lb) Ye s 60 to105 g/m 2 (16 to 28 lb.) Ye s 60 to161 g/m 2 (16 to 43 lb.) ...

  • Brother DCP-8080DN/8085DN - page 25

    1-12 Confidential 2.7 Print able Area  PCL emulat ion When using PCL emulation, the edges of the paper that cannot be printed on are shown below . Note : • "Logical p age" shows the printable area for a PCL drive r . • "Print able area" shows mechanical printable area of the machine. • Therefore, the machine can on ly p ...

  • Brother DCP-8080DN/8085DN - page 26

    1-13 Confidential The table below shows the printable area s w hen printing on Portrait for each paper size. S i z e ABCD E F G Letter 215.9mm 8.5" (2,550dots) 279.4mm 11 . 0 " (3,300dots) 203.2mm 8.0" (2,400dots) 279.4mm 11 . 0 " (3,300dots) 6.3mm 0.2" (75dots) 0mm 4.2mm 0.16" (50dots) Legal 215.9mm 8.5" (2,550do ...

  • Brother DCP-8080DN/8085DN - page 27

    1-14 Confidential DL Long Edge 220.0mm 8.66" (2,598dots) 1 10.0mm 4.33" (1,299dots) 207.0mm 8.17" (2,450dots) 1 10.0mm 4.33" (1,299dots) 6.26mm 0.25" (74dots) 0mm 4.2mm 0.16" (50dots) 3X5 76.2mm 3.00" (900dots) 127.0mm 5.00" (1,500dots) 63.5mm 2.50" (750dots) 127.0mm 5.00" (1,500dots) 6.35mm 0.25&qu ...

  • Brother DCP-8080DN/8085DN - page 28

    1-15 Confidential Note : • "Logical p age" shows the printable area for a PCL drive r . • "Print able area" shows mechanical printable area of the machine. • Therefore, the machine can on ly print within the shaded area when you use a PCL driver . Landscape A B C D E F G F G E G G Physical page Printable area Logical page ...

  • Brother DCP-8080DN/8085DN - page 29

    1-16 Confidential The tabl e below shows the printable areas when printing on Landscape for each paper size. S i z e ABCD E F G Letter 279.4mm 11 . 0 " (3,300dots) 215.9mm 8.5" (2,550dots) 269.3mm 10.6" (3,180dots) 215.9mm 8.5" (2,550dots) 5.0mm 0.2" (60dots) 0mm 4.2mm 0.16" (50dots) Legal 355.6mm 14.0" (4,200dots ...

  • Brother DCP-8080DN/8085DN - page 30

    1-17 Confidential DL Long Edge 1 10mm 4.33" (1,299dots) 220mm 8.66" (2,598dots) 102mm 4.00" (1,199dots) 220mm 8.66" (2,598dots) 4.0mm 0.16" (50dots) 0mm 4.2mm 0.16" (50dots) 3X5 127mm 5.00" (1,500dots) 76.2mm 3.00" (900dots) 1 16.8mm 4.60" (1,380dots) 76.2mm 3.00" (900dots) 5.0mm 0.20" (60dots) ...

  • Brother DCP-8080DN/8085DN - page 31

    1-18 Confidential 2.8 Print S peeds with V arious Settings Print speed is up to 30 ppm for A4 size and 32ppm for Letter size when loading A4 or Letter size paper from the paper tray in the plain paper mode. Actual print speed varie s depending on the media type or paper size as shown in the tables below; <A4/Letter size> <Smaller size than ...

  • Brother DCP-8080DN/8085DN - page 32

    1-19 Confidential 2.9 T elephone Model DCP 8080DN DCP 8085DN MFC 8480DN MFC 8880DN MFC 8890DW Handset No Chain Dialing No Y es Automatic Redial No Y es PBX Feature No No (Europe:Y es) S peaker Phone No Hold/Mute Key No Music on Hold No S peaker V olume No Y es (3 steps + OFF) Ring V olume No Y es (3 steps + OFF) Beeper V olume Y es (3 step s + OFF) ...

  • Brother DCP-8080DN/8085DN - page 33

    1-20 Confidential 2.10 Fax Model DCP 8080DN DCP 8085DN MFC 8480DN MFC 8880DN MFC 8890DW Modem S peed No 33.600bps T ransmission S peed No Approx. 2sec. (Brother#1 S td resolution,JBIG) ITU-T Group No Super G3 Coding Method No MH / MR / MMR / JBIG Color F AX No Fax/T el Switch No Y es Super Fine No Y es (TX & RX) Gray Scale No 8bit/256 Contrast ...

  • Brother DCP-8080DN/8085DN - page 34

    1-21 Confidential 2.1 1 List/Report Fax Forwarding Broadcast No Y es Duplex Fax Se nd No Y es Dial Restriction No Y es Easy Receive/Fax Detect No Y es Polling Receiving No Y es Auto Reduction No Y es Duplex Fax Receive No Y es Out-of-Paper Reception (ITU-T Chart) No up to 500 pages (ITU-T T est Chart, S tandard Resolution, JBIG) up to 600 page s (B ...

  • Brother DCP-8080DN/8085DN - page 35

    1-22 Confidential 2.12 Copy 2.13 Scanner Model DCP 8080DN DCP 8085DN MFC 8480DN MFC 8880DN MFC 8890DW Copy S peed Simplex (A4 / L TR) up to 30/32 cpm Copy S peed Duplex (A4 / L TR) A4: Up to 13 sides per minute (6.5 sheets per minute) Letter: Up to 14 sides per minute (7 sheet s per minute) First Copy Out Time ( From READY mode ) Less than 10.5 sec ...

  • Brother DCP-8080DN/8085DN - page 36

    1-23 Confidential 2.14 USB Host Model DCP 8080DN DCP 8085DN MFC 8480DN MFC 8880DN MFC 8890DW PictBridge No Direct Print Y es Media Drive No ...

  • Brother DCP-8080DN/8085DN - page 37

    Confidential CHAPTER 2 THEOR Y OF OPERA TION ...

  • Brother DCP-8080DN/8085DN - page 38

    Confidential CHAPTER 2 THEOR Y OF OPERA TION This chapte r gives an o verview of the scan ning and printing mechanisms as well as the sensors, actu ators, and contro l electronics. It aids in understanding the basic principles of operation as well as locating defects for trou bleshooting CONTENTS 1. MECHANICS ......... ............. ............... ...

  • Brother DCP-8080DN/8085DN - page 39

    2-1 Confidential 1. MECHANICS Fig. 2-1 Control Section Centronics parallel interf ace USB interface Host Computer Digital camera (PICT bridge) Control panel LAN interface USB interface Printer data F ax data Low- and high-voltage power supplies AC LAN (For the models with the LAN only) WLAN PCB WLAN (For the model with the wireless LAN only) P aper ...

  • Brother DCP-8080DN/8085DN - page 40

    2-2 Confidential 2. ELECTRONICS 2.1 General Block Diagram Fig. 2-2 High-voltage power supply Low-voltage power supply Fuser thermistor Main PCB Regist front sensor Main fan LT sensor PCB (PE+PEDGE) Regist rear sensor Toner sensor PCB (Light reception) (Main fan) Toner LED PCB (Light emission) Power supply fan Interlock switch (Cover sensor) Wireles ...

  • Brother DCP-8080DN/8085DN - page 41

    2-3 Confidential 3. MECHANICS 3.1 Cross-section Drawing - Printer part Fig. 2-3 MP Duplex unit Exposure drum Corona wire Laser unit Eject roller 2 Heat roller Paper eject actuator Pressure roller Back cover T ransfer roller Paper stack lever Paper tray Paper tray (L T unit) Paper feed roller MP Separation roller MP Paper feed roller Separation roll ...

  • Brother DCP-8080DN/8085DN - page 42

    2-4 Confidential - ADF part Fig. 2-4 Guide Shaft CCD drive belt Pulley ASSY Document front sensor 1 Document front sensor actuator 2 Document front sensor actuator 1 Pick-up roller Eject roller Separation roller Document front sensor 2 Paper feed roller 1 SB roller ASSY Flap C Flap A Flap B Switch back sensor actuator Paper feed roller 4 Switch bac ...

  • Brother DCP-8080DN/8085DN - page 43

    2-5 Confidential 3.2 Scanner Mechanism This mechanism consist s of the document cover , the scanner unit (scanner cover), and the automatic document feeder (ADF). The scanner unit con sists of a scanner top cover , CCD unit and scanner base. Fig. 2-5 ADF T op cover White-level reference film CCD module Guide shaft Scanner base Pulley ASSY Belt Docu ...

  • Brother DCP-8080DN/8085DN - page 44

    2-6 Confidential 3.2.1 Scanner unit The scanner unit is equipme nt which scans the paper using the CCD unit. This machine prints the sca nning data (copy) or dat a is sent by fax (fax transmission). There are two kinds of scannin g method of the scanner unit. One is operation to scan with the scanner unit, the paper is placed on th e document glass ...

  • Brother DCP-8080DN/8085DN - page 45

    2-7 Confidential 6. Sca nning operation (The CCD unit moves under the immovable documen t.) Open the document cover , place a sheet of the document (or opened book) onto the document glass, and close the document cover . Then, the machine start s scanning by the operation of the p anel, and the CCD dr ive mechanism is star ted and the scanning oper ...

  • Brother DCP-8080DN/8085DN - page 46

    2-8 Confidential 3.2.2 ADF unit The ADF unit is equipment which sends on e docum ent or the document for every p lurality to the ADF scanning part of th e scanner unit, and performs continuation scannin g. As for the ADF of this machine, the dupl ex sca nning is also possible. Performanc e of the ADF - The number of maximum capacity: Up to 50 sheet ...

  • Brother DCP-8080DN/8085DN - page 47

    2-9 Confidential 4. In ternal structure The autom atic docum ent feede r (ADF) cons ists of the pick-u p roller , separation rolle r , paper fe ed rollers 1/2/3/4, eject roller , ADF motor , switch back sensor , document rear sensor and docume nt front sensors 1/2. For further det ails on the sensors, see 3.6 Sensors position . Fig. 2-7 The duplex ...

  • Brother DCP-8080DN/8085DN - page 48

    2-10 Confidential 5. ADF simplex scanning (The document moves over the immovable CCD unit.) (1) Set the document face up into the document chute. When the mach ine starts simplex scanning, the ADF motor is rotate d clockwise, the pick- up roller draws the document, and the sep aration roller and separa tion pad send a sheet of the document to the A ...

  • Brother DCP-8080DN/8085DN - page 49

    2-11 Confidential 6. ADF duplex scanning (The document moves over the immovable CCD unit.) (1) Set the document face up into the d ocume nt chute. When the machine st arts duplex scanning, the ADF motor is rot ated cl ockwise, the pick-up roller draws the document, and the sep aration roller and separa tion pad send a sheet of the document to the A ...

  • Brother DCP-8080DN/8085DN - page 50

    2-12 Confidential (4) The SB (switch back) ro ller ASSY is turned counter again, and the document is drawn again. The document is p assed through the paper feed roller s 1, 2 and 3, and ejected to the document cover by the eject ro ller . Fig. 2-1 1 SB roller ASSY Paper feed roller 2 Paper feed roller 3 Eject roller ...

  • Brother DCP-8080DN/8085DN - page 51

    2-13 Confidential 3.3 Paper Feeding Fig. 2-12 L T path DX path MP path Paper tray path ...

  • Brother DCP-8080DN/8085DN - page 52

    2-14 Confidential 3.3.1 Plate-up Function of the Paper T ray The plate ASSY in the p aper tray is pushed up with the motor dr ive and not with the spring in order to maint ain the constant pressure to the feed roller and to gi ve the paper feeding performance. When the pape r tray (T ray1 cassette) is installed into the printer , the lift gear 46 i ...

  • Brother DCP-8080DN/8085DN - page 53

    2-15 Confidential 3.3.2 Paper supply The feed roller picks up a few she ets or one shee t of p aper from the paper tray every time it is rotated and feed s it to the separation roller . Fig. 2-15 The main motor drive power is tr ansmitted to the gears, and the feed roller a nd separation roller are rot ated. Then, the paper is gripped between the s ...

  • Brother DCP-8080DN/8085DN - page 54

    2-16 Confidential 3.3.3 Paper registration After the p aper top position is detected by the re gist actuator front, the paper , separated into individual sheet s by the separation roller , is fed further for a specified time, and the paper top position reaches the regist ro lle r so that the paper skew is adjusted. Then, the regist solenoid is turn ...

  • Brother DCP-8080DN/8085DN - page 55

    2-17 Confidential 3.3.4 Paper eject After the printi ng image on the exposure drum is transferred onto the p aper , the paper is fed to the fuser unit to fix unfixe d toner onto the paper by the heat roller and the pres sure roller in the fuser unit. Afterwards, the paper is ejected fr om the fus er unit. Th e paper eject ac tuator d etects whether ...

  • Brother DCP-8080DN/8085DN - page 56

    2-18 Confidential 3.3.5 Duplex printing After the p aper exits from the eject roller ASSY with the front of sheet pr inted, the eject roller ASSY rotates conversely and fe eds the p aper to the DX un it, where the paper skew is adjusted. Afterwards, the p aper is ejected from the DX unit to the p ath through the regist roller and the transfer rolle ...

  • Brother DCP-8080DN/8085DN - page 57

    2-19 Confidential 3.3.6 Paper feeding from the MP tray The separation r oller MP is connected with the feed roller through the gea r in the MP roller holder ASSY . When the separation ro ller is driven, therefor e, the feed roller is also driven. At this time, the recording paper is drawn out of the MP tra y by rotation of the paper feed roller MP ...

  • Brother DCP-8080DN/8085DN - page 58

    2-20 Confidential 3.4 T oner Cartridge 3.4.1 Methods for De tecting T oner Life When the machine detect s the toner life end, " Replace T on er " is displayed. The toner life is displayed th rough the fo llowing two ways. First , such indication is displayed whe n detection is performed by the toner sensor; seco nd, it is di splayed at th ...

  • Brother DCP-8080DN/8085DN - page 59

    2-21 Confidential 3.4.2 Cartridge life A new toner cartridge can p rint approximately 3,000 (st andard toner) or approximately 8,000 (high yield toner) A4 or Letter size single-sid ed pages at normal duty (ISO/IEC19752). In the case of low- duty printing , if the num ber of prin ted pages are re ached th e cartridge life, " Replace T oner &quo ...

  • Brother DCP-8080DN/8085DN - page 60

    2-22 Confidential 3.4.3 New toner detection (1) The main motor will drive gear (4) thro ugh the interconnection of other gears. (2) When gear (4) is rotated, rib A on that gear will push against the new toner actuator; the new toner sensor will detect t he actuator motion, and the to ner sensor detects that a new toner cartri dge has been installed ...

  • Brother DCP-8080DN/8085DN - page 61

    2-23 Confidential When the new toner detectio n switch detects that the to ner cartridge is replaced with a new one, the developing bia s voltage is initialized at the same time. The toner used for the printer has a property th at print density is lig ht first and gradually darker in the course of usage. The developing bias controls the toner prope ...

  • Brother DCP-8080DN/8085DN - page 62

    2-24 Confidential <When a toner cartri dge in use is inserted af ter "Replace T oner" is displayed by toner sensor detection *1 > A count value before change s is continuously in dicated as a rotation rate of the develo p roller . Irrespectiv e of the amount of toner , pr inting becomes disabled when the rotatio n rate reaches the u ...

  • Brother DCP-8080DN/8085DN - page 63

    2-25 Confidential 3.5 Print 3.5.1 Basic Principle The printing pro cess consists broadly of 5 proc esses: electrification, exposure, de velopment, transfer and fusing. 1. Charging: The surface of an exposure drum is electrically charged. 2. Exposure: A printed ima ge is forme d on the su rface of th e drum b y applying laser beam . 3. Developmen t: ...

  • Brother DCP-8080DN/8085DN - page 64

    2-26 Confidential 3.5.2 Print Process (1) Charging The flow of the ion charge is controlled b y consta nt voltage of the g rid 850 V to en sure it is distribute d evenly on the drum surface. In or der to coat toner on the exposure drum , the drum needs to be e venly electrified. Ions are produced by supplying high-volt age power to the corona wi re ...

  • Brother DCP-8080DN/8085DN - page 65

    2-27 Confidential (2) Exposure The laser beam radiated from a laser dio de inside the laser unit is concentrated into a constant wid th by a slit in the CO lens cell and then reflected by a polygon mirror rot ating at high speed. The evenly cha rged exposure drum is irradiated with reflected light and exposed . Surface potential is lowere d by such ...

  • Brother DCP-8080DN/8085DN - page 66

    2-28 Confidential (3) Development T oner is attracted to a printed-image area on the exposure drum where surfac e potential is lowered due to exposure. By controlling develop ing bias voltage supplied to the develop roller , the amount of toner take n to the drum is adjusted to keep printing density constant. Fig. Ref. 2- 25 <Flow up of toner to ...

  • Brother DCP-8080DN/8085DN - page 67

    2-29 Confidential (4) T ransfer By applying a minus ch arge to the transfer r o ller , the toner adhered to the exposure drum is transferre d to paper . Fig. 2-27 Memo : • Control of transfe r bias The transfer bias applied in th e transfer roller is adjusted a ccording to types and sizes of paper so as to keep excellent image quality . Exposure ...

  • Brother DCP-8080DN/8085DN - page 68

    2-30 Confidential (5) Fusing The toner transferred o n paper passes betwe en the heat roller and the pressure roller in the fuser unit, being fused by heat and pr essure. The thermistor detects surface temperature of the heat roller and tur ns ON/OFF the halogen heater lamp. The te mperature is kept constant. Fig. 2-28 Memo : • Control of fusing ...

  • Brother DCP-8080DN/8085DN - page 69

    2-31 Confidential 3.6 Sensors position Sensor name T ype Located on Function Regist front senso r Photo sensor High -voltage PS PCB Detect the p aper top position or absence of pap er. Regist rear s ensor Photo sens or High-v oltage PS PCB Control the first print position on the paper . Paper eject s ensor Photo sens or Relay rea r PCB Detect wheth ...

  • Brother DCP-8080DN/8085DN - page 70

    2-32 Confidential Fig. 2-29 Document front sensor 1 Regist front sensor Edge sensor PE sensor PE EG sensor MP PE sensor Frame R T oner LED PCB (Light emission) Regist frame Document front sensor 2 Switch back sensor ADF unit Document cover sensor Document rear sensor HP sensor Frame L Paper eject sensor (Relay rear PCB) DX tray sensor New toner sen ...

  • Brother DCP-8080DN/8085DN - page 71

    Confidential CHAPTER 3 ERROR INDICA TION AND TROUBLESHOOTING ...

  • Brother DCP-8080DN/8085DN - page 72

    Confidential CHAPTER 3 PERIODIC MAINTENANCE This chapter details er ror messages and codes that the incorporated self-diagnostic functions display if any erro r or malfunction occurs. If any error message appears, refer to this chapter to find which co mponents should be checked or rep laced. The latter half of this chapter provides sample problems ...

  • Brother DCP-8080DN/8085DN - page 73

    3-1 Confidential 1. INTRODUCTION T roubleshooting is the countermea sure procedur es that the service person nel should follow if an error or malfunction occu rs with the machin e. It is impossible to anticipate all of the possible troubles which may o ccur in future and determine the troubleshooting pr ocedures, so this chapter covers some sample ...

  • Brother DCP-8080DN/8085DN - page 74

    3-2 Confidential 1.2 Part names Fig. 3-1 Driver PCB Joint Cover ASSY NCU PCB Scanner Unit ADF Unit Panel Unit Speaker ASSY Back Cover Outer Chute ASSY Rear Chute ASSY Fuser Unit Main PCB Access Cover Side Cover L Side Cover R Laser Unit T oner LED PCB ASSY Paper T ray High-voltage PS PCB PS PCB MP T ray Cover ASSY Process Cover ASSY Frame Unit ...

  • Brother DCP-8080DN/8085DN - page 75

    3-3 Confidential 1.3 Initial Check Check the following items before attempting to repair the machine. ■ Operating Environment (1) Put your machine on a flat, stable surface su ch as a desk that is free of vibration and shocks. (2) Use the machine in a well-ventilated room; use the mach ine within the following ranges of temperature and hum idity: ...

  • Brother DCP-8080DN/8085DN - page 76

    3-4 Confidential (2) Cleaning Use a soft dry cloth. warning DO NOT use flammable sub stances such as alco hol, benzine, thinner or any type of spray to clea n the ins ide or outside of the machin e. Doing this may cause a fire or electrical shock. ...

  • Brother DCP-8080DN/8085DN - page 77

    3-5 Confidential 2. DISTINGUISH ERROR CAUSE 2.1 ERROR INDICA TION T o help the user or the ser vice personnel prompt ly locate th e cause of a problem (if any), the facsimile equipment incorporates the self-diag nostic functions which display error messages for equipment errors and communications errors. For the communications errors, the equip men ...

  • Brother DCP-8080DN/8085DN - page 78

    3-6 Confidential Cooling Down W ait for a while The temp erature of the drum unit or toner cartr idge is too hot. The machine will pause its current print job and go into cooling down mode. During the cooling down mode, you will hear the cooling fan ru nning while the LCD shows Cooling Down, and W ait for a while. Make sure that you can hear th e f ...

  • Brother DCP-8080DN/8085DN - page 79

    3-7 Confidential Jam MP T ray The pa per is jammed in the MP tray of the machine. Remove the jammed p aper from the MP tray . 3-26 Jam T ray 1 Jam T ray 2 The pape r is jammed in the paper tray of the machine. Remove the jammed p aper from the tray 1 or 2. 3-26 No Paper The machine is out of paper or paper is not properly loaded in th e paper tray ...

  • Brother DCP-8080DN/8085DN - page 80

    3-8 Confidential Replace T oner The tone r cartridge is used up and pr inting is not possible. Replace the toner cartr idge with a new one. 3-17 Scan Unable XX The machine has a mechanical pr oblem. Perform pr ocessing w ith the er ror code. - Document is too long for duplex scanning. Press Sto p/ E xi t . Use the suitable size of paper for duplex ...

  • Brother DCP-8080DN/8085DN - page 81

    3-9 Confidential 3. ERROR CODES This machine includes a self-d iagnosis function. If the machine does not work normal ly it judges that an error has occurred, and indicates the corresponding error message on the LCD, which in turn helps the end user to quickly find out the problem. 3.1 Error Indication Error codes Problem Refer to: Error codes Prob ...

  • Brother DCP-8080DN/8085DN - page 82

    3-10 Confidential Error codes Problem Refer to: Error codes Problem Refer to: 7F Fax paper setting mismatch (The setting p aper bexomes besides the A4/Letter/Le gal/ Folio) (Not applicable) 3-23 A8 Scanning color pa rameter matching miss 3-30 80 Fax paper size is incorrect (The paper is smaller 10mm than the letter size (1 1inch) in Fax List/ Repor ...

  • Brother DCP-8080DN/8085DN - page 83

    3-11 Confidential Error codes Problem Refer to: Error codes Problem Refer to: E0 Program error 3-36 ED W ireless LAN connection failure 3-38 E1 Program erro r EE Wireless LAN is unable to communicate 3-38 E2 Central temperature of hea t roller detected more than 280°C 3-37 EF L VPS PCB failure 3-38 E6 EEPROM error 3-37 F8 Battery connection error ...

  • Brother DCP-8080DN/8085DN - page 84

    3-12 Confidential 3.2 Error Code Cause and Remedy These errors are reco ve rable b y f ollowing the message indicated on the LCD or f ollowing the items indicated in User Check . ■ Error code 1E Replacemen t time of th e dr um unit. ■ Error code 1F T wo or more optional t rays are installed. ■ Error code 24 Internal temperature sensor fa ilur ...

  • Brother DCP-8080DN/8085DN - page 85

    3-13 Confidential ■ Error code 35 EEPROM of main PCB f ailure ■ Error code 36 HVPS PCB during standby f a ilure ■ Error code 3B Main PCB RAM failure ■ Error code 3C EEPROM writing error (Not applicable) Error code 3D EEPROM reading error (Not applicab le) Error code 3E EEPROM b us error (N ot applicable) Print Unable 35 Turn the power off a ...

  • Brother DCP-8080DN/8085DN - page 86

    3-14 Confidential ■ Error code 44 No toner car tridge ■ Error code 50 Replacemen t time of th e dr um unit ■ Error code 51 Replacemen t time of the paper f eed kit MP No Toner Open the Top Cover, then install Toner Cartridge. User Check • Install a new toner car tr idge. Step Cause Remedy 1 Dir t on electrod es on tone r car tridge and mach ...

  • Brother DCP-8080DN/8085DN - page 87

    3-15 Confidential ■ Error code 52 Replacemen t time of the paper f eed kit T1 ■ Error code 53 Replacemen t time of the paper f eed kit T2 ■ Error code 54 Replacement time of the fuser unit ■ Error code 55 Replacement t ime of the laser unit Replace Parts PF Kit 1 User Check • Replace the paper feed kit T1 with a ne w one. Step Cause Remed ...

  • Brother DCP-8080DN/8085DN - page 88

    3-16 Confidential ■ Error code 56 Back co ver op ened ■ Error code 57 P aper jam (D uplex t ray ) Cover is Open Close the Fuser Cover which can be found behind the Back Cover up the machine. User Check • Close the bac k cove r . • Install the DX unit. Step Cause Remedy 1 Harnes s connection f ailure of relay rear PCB ASSY . Check the har ne ...

  • Brother DCP-8080DN/8085DN - page 89

    3-17 Confidential ■ Error code 58 Fuser unit f ailure Error code 59 Fuser unit failure ( Detect fuser f ailure at start-up) ■ Error code 63 Replace toner or T oner life end ■ Error code 67 T oner of the toner car tr idge is low Fuser Error Turn the power off, then on again. Leave the machine for 15 min. Self-Diagnostic Will Automatically Rest ...

  • Brother DCP-8080DN/8085DN - page 90

    3-18 Confidential ■ Error code 68 T emperature rise when heat er is off ■ Error code 69 Mis-connect cente r ther mistor connector Print Unable 68 Turn the power off and then back on again. Step Cause Remedy 1 Fuser u nit failure Replace the f user unit 2 Main PCB f ailure Replace the main PCB ASSY . Print Unable 69 Turn the power off and then b ...

  • Brother DCP-8080DN/8085DN - page 91

    3-19 Confidential ■ Error code 6A Fuser temperatur e does n ot detect 60°C w ithin the s pecified time (center ther mistor) Error code 6B Fuser temper ature does not detect 10 0°C within the specified time (center ther mistor) Error code 6C Detect higher temp erature error (cente r ther mistor) Error code 6D Detect low er temperature er ror (ce ...

  • Brother DCP-8080DN/8085DN - page 92

    3-20 Confidential ■ Error code 70 Fuser moto r error ■ Error code 71 Laser unit polygon mirror f ailure Error code 72 Laser beam emiss ion failure ■ Error code 75 Sensor of the inside te mperature f or detection detected higher tha n constant temperature Print Unable 70 Turn the power off and then back on again. Step Cause Remedy 1 Motor fail ...

  • Brother DCP-8080DN/8085DN - page 93

    3-21 Confidential ■ Error code 76 Rapid temper ature rising failu re (center thermistor) Error code 78 Rapid temperature f alling fa ilure (center ther mistor) ■ Error code 7A No detection of main mo tor synchronous signal ■ Error code 7D Dir t on charged wire (detect di scharge error) Print Unable 76 Turn the power off and then back on again ...

  • Brother DCP-8080DN/8085DN - page 94

    3-22 Confidential ■ Electrodes location of the toner/drum un it Fig. 3-2 ■ Electrodes location of the machin e Fig. 3-3 <How to clean the electrodes> T urn off th e power switch. Unplug the machine from the AC power outlet, and leave the m achine for a few minutes. Then, wipe the electrodes above carefully with a dry lint-free cloth. Be c ...

  • Brother DCP-8080DN/8085DN - page 95

    3-23 Confidential ■ Error code 7F F ax paper setting mismatch (The setting paper be xomes besides the A4/Lett er/Legal/F olio) (Not applicable) Error code 80 F ax paper size is incorrect (The paper is smaller 10mm than the letter size (11inch) in F ax List/Report) ■ Error code 83 Discharge detection er ror (Unab le to print after the discharge ...

  • Brother DCP-8080DN/8085DN - page 96

    3-24 Confidential ■ Error code 84 P aper jam ■ Error code 85 T ra y 1 is not installed into the machine Error code 86 T ra y 2 is not installed into the machine Jam Rear Open the Back Cover and remove the jammed paper, then press Start. User Check • Chec k if the paper is jammed around the op ened back co ver . If jammed, remo ve it. Step Cau ...

  • Brother DCP-8080DN/8085DN - page 97

    3-25 Confidential ■ Error code 88 P aper jam inside t he machine ■ Error code 89 Incorrect paper siz e in duple x pr inting Jam Inside Open the Front Cover, pull out the Drum Unit completely and remove the jammed paper. User Check • Chec k if the paper is jammed around the re mov ed drum unit. If jammed, remov e it. Step Cause Remedy 1 Harnes ...

  • Brother DCP-8080DN/8085DN - page 98

    3-26 Confidential ■ Error code 8A P aper jam (T ra y 1) Error code 8B P aper jam (T ra y 2) Error code 8C P aper jam (MP tra y) Jam Tray 1 Remove the jammed paper from Tray 1. Jam Tray 2 Remove the jammed paper from Tray 2. Jam MP Tray Remove the jammed paper from Multi Purpose Tray and press Start. User Check • Chec k if the paper is jammed in ...

  • Brother DCP-8080DN/8085DN - page 99

    3-27 Confidential ■ Error code 8D P aper ja m near ejec t tra y ■ Error code 99 Specified paper size is not supp or ted f or duplex p r inting (DX) Cover is Open Make sure there is no paper jammed inside the machine and close the Back Cover, then press Start. User Check • Check if the paper is jammed in th e bac k cov er . If jammed, remo ve ...

  • Brother DCP-8080DN/8085DN - page 100

    3-28 Confidential ■ Error code 9F P aper empty ■ Error code A1 F ront cov er open No Paper Reload paper, then press Start. User Check • Replenish the paper in the paper tra y . Step Cause Remedy 1 Dir t on PE se nsor Clean the PE senso r . 2 Harnes s connection failure of PE EG sensor PCB ASSY . Check the har ness connectio n of the PE EG sen ...

  • Brother DCP-8080DN/8085DN - page 101

    3-29 Confidential ■ Error code A2 During scanning, 90 cm or longer of a docu ment is detected ■ Error code A3 Document rear sensor is not tu r ned on when f eeding the document ■ Error code A4 ADF cov er opened (Not applicable) Document Jam Clear the scanner jam, then press the Stop Key. User Check • Check if the document is jammed in th e ...

  • Brother DCP-8080DN/8085DN - page 102

    3-30 Confidential ■ Error code A5 F ax scanning error (W ar ning: Scanning unit ma lfunction of first time) ■ Error code A6 F ax scanning error (Error : Scanning unit malfunctio n after second times) ■ Error code A7 Scanning color par ameter file f ailure Error code A8 Scanning color par ameter matching malfunction when re cording the image p ...

  • Brother DCP-8080DN/8085DN - page 103

    3-31 Confidential ■ Error code AD DMA transfer error ■ Error code AE CCD unit home position sensor is no t tur ned on. ■ Error code AF CCD unit home position sensor is no t tur ned off . Scan Unable AD Remove the original document. Turn the power off, then on again. Step Cause Remedy 1 Main PCB f ailure Replace the main PCB ASSY . 2 CCD unit ...

  • Brother DCP-8080DN/8085DN - page 104

    3-32 Confidential ■ Error code B0 Scanning FFC connection malfunction * This error is indicated on t he LCD in the maintenance mode . ■ Error code B1 Dark lev el offse t data lev el error for scanning * This error is indicated on t he LCD in the maintenance mode . Error code B2 Gain control data le vel error f or scanning * This error is indica ...

  • Brother DCP-8080DN/8085DN - page 105

    3-33 Confidential ■ Error code B9 Scanning light adjustme nt error is detected. * This error is indicated on t he LCD in the maintenance mode . Error code BB White le vel data error * This error is indicated on t he LCD in the maintenance mode . Error code BD Black le vel data error * This error is indicated on t he LCD in the maintenance mode . ...

  • Brother DCP-8080DN/8085DN - page 106

    3-34 Confidential ■ Error code C0 New toner detection le ver f ailure ■ Error code C7 Run out of me mor y for data e xpansion of PC printer ■ Error code C8 Secure pr int data fu ll Cartridge Error Put the Toner Cartridge back in. User Check • Install the toner car tridges into the mach ine properly . Step Cause Remedy 1 P ower off or front ...

  • Brother DCP-8080DN/8085DN - page 107

    3-35 Confidential ■ Error code C9 The f ailed DIMM is installed, or th e DIMM is not in stalled correct ly . ■ Error code CA Host e x cess curr ent to USB de vice ■ Error code CD Excess current to USB device DIMM Error Make sure that the DIMM is inserted correctly. User Check • Install the DIMM corr ectly . Step Cause Remedy 1 Main PCB f ai ...

  • Brother DCP-8080DN/8085DN - page 108

    3-36 Confidential ■ Error code D1 Modem initialization f ailed ■ Error code DD Fuser error ot her than 58, 59, 68, 69 , 6A, 6B, 6C , 6D , 6E, 6F , 76, 78, DE and E2 are occurred. ■ Error code DE Central te mperature of heat roller detected the temper ature that was lo wer than edge (60°C) ■ Error code E0 Program error Machine Error D1 Step ...

  • Brother DCP-8080DN/8085DN - page 109

    3-37 Confidential ■ Error code E2 Central te mperature of heat roller detected more than 2 80°C ■ Error code E6 EEPROM error ■ Error code EB E2PROM dat a laser unit error ■ Error code EC Fuser fan performance failure Fuser Error Turn the power off, then on again. Leave the machine for 15 min. Step Cause Remedy 1 Fuser u nit failure Replace ...

  • Brother DCP-8080DN/8085DN - page 110

    3-38 Confidential ■ Error code ED Wireless LAN connection f ailure ■ Error code EE Wireless LAN is unable to communicate ■ Error code EF L VPS PCB failure ■ Error code F8 Batter y conn ection erro r Print Unable ED Turn off and on. Step Cause Remedy 1 WLAN PCB f ailure Replace the WLAN PCB ASS Y . 2 Main PCB f ailure Replace the main PCB AS ...

  • Brother DCP-8080DN/8085DN - page 111

    3-39 Confidential ■ Error code F9 Maintenance mode 74 Non-decision ■ Error code FF Excess current to WLAN PCB error Machine Error F9 Step Cause Remedy 1 T ur n the power off, when the Maintenanc e mode 74 “P ARAMETER IN IT” is in progress. Implement the Mainten ance mode 74 again. 2 Main PCB f ailure Replace the main PCB ASSY . Unusable Dev ...

  • Brother DCP-8080DN/8085DN - page 112

    3-40 Confidential 4. P APER FEEDING PROBLEMS Problems related to pa per feeding are end user recoverable if following the User Check items. If the same problem occurs again, follo w each procedure in the order of the number described in the S tep column in the tabl es below . 4.1 No Feeding 4.2 Double Feeding S tep Cause Check Result Remedy 1 Dirt ...

  • Brother DCP-8080DN/8085DN - page 113

    3-41 Confidential 4.3 Paper Jam ■ Paper jam in the p aper tray and front cover ■ Paper jam in the back cover and paper eject sect ion S tep Cause Check Result Remedy 1 Dirt on edge sensor Is there paper powder in the edge sensor? Ye s Clea n the edge sen sor . 2 Registration fron t actuator/edge actuator catching on some position Does the regis ...

  • Brother DCP-8080DN/8085DN - page 114

    3-42 Confidential ■ Paper jam in the tra y 2 ■ Paper jam in the DX unit secti on S tep Cause Check Result Remedy 1 L T edge actuator catching on some position Does the L T edge actuator move smoothly? No Re-assemble the L T edge actuator . 2 L T sensor PCB ASSY failure Is the problem solved after replacing the L T sensor PCB ASSY? Ye s Replace ...

  • Brother DCP-8080DN/8085DN - page 115

    3-43 Confidential 4.4 Dirt on Paper 4.5 W rinkles or creases 4.6 W aves in the paper / folds in the p aper at the eject roller 2 <User Check> - Check if the paper is loaded into the paper tray correctly . - Tu rn over the stack of pape r in the paper tray , or try rotating the p aper 180° in the paper tray . S tep Cause Che ck Result Remedy ...

  • Brother DCP-8080DN/8085DN - page 116

    3-44 Confidential 4.7 Curl in the p aper Slide the lever 2 to the right while pushing up the le ver 1 to the direction of the arrow . Fig. 3-4 4.8 Print s only single side of the p aper when duplex-printing The curl in the left figure. <User Check> - C hange the paper . S tep Cause Che ck Result Remedy 1 Mismatch the setting the p aper and th ...

  • Brother DCP-8080DN/8085DN - page 117

    3-45 Confidential 5. IMAGE DEFECT TROUBLESHOOTING 5.1 Image Defect Examples Fig. 3-5 5.2 Diameter of Rollers Image defect s which appear periodically may be caused by failure of a roller . S pecify the cause referring to the diameter of the rollers or pitch which appears in the image as shown in the table below . No. Parts name Diameter The pitch w ...

  • Brother DCP-8080DN/8085DN - page 118

    3-46 Confidential 5.3 T roubleshooting Image Defect Image defect related prob lems are end user reco verable if following the User Check items. If the same pr oblem occ urs, follow e ach proced ure in the or der of the number de scribed in th e S tep column in the tables below . ■ Light <User Check> - Check the machine's environment. L ...

  • Brother DCP-8080DN/8085DN - page 119

    3-47 Confidential <Location o f the leser beam wind ow> Fig. 3-6 ■ Faulty registration ■ Dark <User Check> - Check th at the appropr iate media type is sele cted in the printer driver . S tep Cause Check Result Remedy 1 Registration rear actuator catching on some position Does the registra tion rear actuator move smoothly? No Re-ass ...

  • Brother DCP-8080DN/8085DN - page 120

    3-48 Confidential ■ Poor fixing <User Check> - Replace the drum unit with a new one. - Replace the toner cartridge with a new one. S tep Cause Check Result Remedy 1 High pressure of pressure roller in the fuser unit Is the problem solv ed by changing the positio n of the anti-curl lever? Ye s Change the position of the anti-curl lever . 2 F ...

  • Brother DCP-8080DN/8085DN - page 121

    3-49 Confidential ■ Completely blank ■ Image distortion <User Check> - Replace the drum unit with a new one. - Replace the toner cartridge with a new one. S tep Cause Check Result Remedy 1 Developing bias voltag e conduction failure Are the electrodes on the drum unit and machine body dirty? Ye s Clean both electrodes . (Refer to Fig. 3-2 ...

  • Brother DCP-8080DN/8085DN - page 122

    3-50 Confidential ■ All black S tep Cause Check Result Remedy 1 Corona wire failure Are the electrodes on the drum unit and machine body dirty? Ye s Clean both electrodes . (Refer to Fig. 3-2, Fig. 3-3. ) 2 Is the corona wire damaged? Ye s Replac e the drum un it. 3 Scanner h arness of the laser unit connection failure Is the scanner harne ss of ...

  • Brother DCP-8080DN/8085DN - page 123

    3-51 Confidential ■ Dirt on the back of p aper ■ V ertical streaks ■ Black vertical streaks in a light background <User Check> - This problem may disappear af ter printing approximately 10 pages of com plete ly blank sheets. S tep Cause Check Result Remedy 1 Scratch and Dirt on the fuser unit Is the pressure roller ASSY dirty? Is any ot ...

  • Brother DCP-8080DN/8085DN - page 124

    3-52 Confidential ■ Black horizont al stripes Fig. 3-7 <User Check> - Clean the inside of the machine and the corona wire in th e drum unit. - Replace the drum unit with a new one. S tep Cause Check Result Remedy 1 Dirt on the charged electrod e Are the electrodes on the drum unit and machine body dirty? Ye s Clean both electrodes . (Refer ...

  • Brother DCP-8080DN/8085DN - page 125

    3-53 Confidential ■ White vertical streaks ■ White horizont al streaks <User Check> - Clean the scanner windows of the la ser unit with a soft lint-fr ee cloth. (Refer to Fig. 3-6. ) - Replace the toner cartridge with a new one. - Check the machine’ s environment. High temperature and high humidity conditions can ca use this problem. - ...

  • Brother DCP-8080DN/8085DN - page 126

    3-54 Confidential ■ Faint print ■ White spot s <User Check> - Check th at the machine is in stalled on a leve l surface. - Replace the toner cartridge with a new on e. - Clean the scanner windows of the toner unit with a soft cloth. (Refer to Fig. 3-6. ) - The drum unit may be damaged. Replace th e drum unit with a new one. S tep Cause Ch ...

  • Brother DCP-8080DN/8085DN - page 127

    3-55 Confidential <Clean the drum unit as follows> If you have print quality problems, clean the drum unit as follows: (1) Put the print sample in front of the drum unit, and find the e xact position of the poor print. Fig. 3-8 (2) T urn the drum unit gear to the direction of the arrow of the figure by hand whi le looking at the surface of th ...

  • Brother DCP-8080DN/8085DN - page 128

    3-56 Confidential ■ Black spot s ■ Black band <User Check> - Damp (wet) paper might be used. T ry to change to freshly unpacked pap er. - T oner may be empty . Replace the toner cartridge with a new one. - If the problem is not solved after pr inting a few pages, the drum unit may have glue from label stock on the exposu re drum surface. ...

  • Brother DCP-8080DN/8085DN - page 129

    3-57 Confidential ■ Downward fogging of solid color ■ Horizont al lines <User Check> - T oner may be empty . Replace the toner cartridge with a new one. S tep Cause Check Result Remedy 1 HVPS PCB failure Is the problem solved after r eplacing the HVPS PCB ASSY? Ye s Replace the HVPS PCB ASSY . 2 Main PCB failure Is the problem solved afte ...

  • Brother DCP-8080DN/8085DN - page 130

    3-58 Confidential ■ Ghost ■ Fogging <User Check> - Check the machine's environment, conditions su ch as high or low humidity may cause this situation to occur . - Check that the appropriate media type or size is selecte d in the printer driver . - Replace the drum unit with a new one. S tep Cause Check Result Remedy 1 HVPS PCB failur ...

  • Brother DCP-8080DN/8085DN - page 131

    3-59 Confidential ■ Hollow print by condensation <User Check> - T urn the power on and leave the ma chine for a few minutes. S tep Cause Check Result Remedy 1 Condensation of drum unit by high humidity environment Is the problem solved after setting the drum condensation countermeasure mod e to ON? Ye s Drum condensation countermeasure mod ...

  • Brother DCP-8080DN/8085DN - page 132

    3-60 Confidential 6. SOFTW ARE SETTING PROBLEMS The machine may not print the da ta correctly if there are incorrect sof tware settings. <User Check> - Che ck that the parallel cable, USB cab le and the network cable is not damage d or broken. - Che ck that the correct m achine is select ed if you have an interface switching device. - Che ck ...

  • Brother DCP-8080DN/8085DN - page 133

    3-61 Confidential 7. NETWORK PROBLEMS <User Check> - Che ck the descript ions in the network user ’s guide. - Try resetting the factory settin gs. S tep Cause Check Result Remedy 1 Wireless LAN PCB failure (MFC-8890DW) Is the problem solved after r eplacing the wireless LAN PCB ASSY? Ye s Replace the wireless LAN PCB ASSY . 2 Main PCB failu ...

  • Brother DCP-8080DN/8085DN - page 134

    3-62 Confidential 8. TROUBLESHOOTING OF THE COMMUNICA TIONS ERRORS If a communicat ions error occur s, the facsimile equip ment (1) Give s the alarm (int ermittent bl ee p) for approximately four seconds. (2) Indicates the appropriate error message on the LCD. (3) Prints the tran smission report during fax transmission. ■ Definition of error code ...

  • Brother DCP-8080DN/8085DN - page 135

    3-63 Confidential (2) Command reception (3) Communication code compatib ility [checking the NSF and DIS] Code 1 Code 2 Causes 20 01 Unable to detect a flag field. 20 02 Carrier was OFF for 200 ms or longer . 20 03 Abort detected (“ 1” in succession for 7 bit s or more). 20 04 Overrun detected. 20 05 A frame for 3 second s or more received. 20 0 ...

  • Brother DCP-8080DN/8085DN - page 136

    3-64 Confidential (4) In structions r eceived from the rem ote te rminal [checking the NSC, DTC, NSS, and DCS] (5) Com mand recep tion [checking the NSF a nd DIS after transmissio n of NSS and DCS] (6) ID checki ng (7) DCN reception (8) TCF transmission/reception Code 1 Code 2 Causes 40 02 Illegal coding system requested. 40 03 Illegal recording wi ...

  • Brother DCP-8080DN/8085DN - page 137

    3-65 Confidential (9) Signal isolation (10) Video signal rece ption Code 1 Code 2 Causes 90 01 Unable to detect video signals an d commands within 6 seconds after CFR is transmitted. 90 02 Received PPS co ntaining invalid page coun t or block count. Code 1 Code 2 Causes A0 03 Error correction sequence n ot terminat ed even at the final transmission ...

  • Brother DCP-8080DN/8085DN - page 138

    3-66 Confidential (1 1) General communications-related (12) Maintenance mode (13) Equipment error Code 1 Code 2 Causes B0 02 Unable to receive the next-p age data. B0 03 Unable to receive polling ev en during turn-around transmission due to call reservation. B0 04 PC interface error . BF 01 Communication canceled by pressing the St op /E x i t butt ...

  • Brother DCP-8080DN/8085DN - page 139

    3-67 Confidential 9. TROUBLESHOOTING OF THE CONTROL P ANEL ■ Nothing is displayed on the LCD. <User Check> - V erify if the power switch is turned off. S tep Possible cause Check Result Remedy 1 Connection between main PCB and control panel PCB Are the main PCB and control panel PCB connected pr operly? No Reconnect the connector properly . ...

  • Brother DCP-8080DN/8085DN - page 140

    3-68 Confidential ■ The control p anel does not work. <User Check> - Check whether the function lock is not set. S tep Possible cause Check Result Remedy 1 Key sticking Is there a key on the control panel stuck? Ye s Clean up the panel cover , or remove the bur rs from panel cover and p anel keys. 2 Connection between main PCB and control p ...

  • Brother DCP-8080DN/8085DN - page 141

    3-69 Confidential 10. TROUBLESHOOTING OF F AX FUNCTIONS ■ F AX can't send it. <User Check> - V erify that the telephone cord is secu rely inserted into the right socket. S tep Possible cause Check Result Remedy 1 Dialing mode Setting Does a dialing signal (PB or DP) come out normally in each mode? (Use telephone line emulator .) Ye s C ...

  • Brother DCP-8080DN/8085DN - page 142

    3-70 Confidential ■ Speed dialin g and One-touch dialing can't be used. ■ F AX can't be received. S tep Possible cause Check Result Remedy 1 S peed dialing keys or one- touch dialing keys Can a fax transmission be made u sing the numeric keys? Ye s Replace the ma in PCB ASSY . 2 Dialing mode Setting Does a dialing signal (PB or DP) co ...

  • Brother DCP-8080DN/8085DN - page 143

    3-71 Confidential ■ No bell ring. S tep Possible cause Check Result Remedy 1 Ring delay Ring delay is set to “0”. Ye s Change the ring delay settings to another value. 2 Ring volume Ring volume is set to “OFF”. Ye s Change the ring volume setting to anot her value. 3 Connection between main PCB and NCU PCB Are the main PCB and NCU PCB con ...

  • Brother DCP-8080DN/8085DN - page 144

    3-72 Confidential ■ Spea ker is silent during on-hook dialing. ■ Dialing function does not switch between " tone" and "pulse". S tep Possible cause Check Result Remedy 1 Connection between main PCB and speaker Are the main PCB and speaker connected properly? No Reconnect the connector properly . 2 S peaker Is the problem sol ...

  • Brother DCP-8080DN/8085DN - page 145

    3-73 Confidential 1 1. DOCUMENT FEEDING PROBLEMS Problems related to pa per feeding are end user recoverable if following the User Check items. If the same problem occurs again, follo w each procedure in the order of the number described in the S tep column in the tabl es below . 1 1.1 No Feeding <User Check> - Check if the document is insert ...

  • Brother DCP-8080DN/8085DN - page 146

    3-74 Confidential 1 1.2 Double Feeding 1 1.3 Paper Jam ■ Paper jam in the ADF cover <User Check> - Check whether the document does not use the paper which is thinner than the specification. S tep Cause Check Result Remedy 1 Feed roller holder ASSY failure Is the surface of the separation roller worn out? Replace th e feed roller holder ASSY ...

  • Brother DCP-8080DN/8085DN - page 147

    3-75 Confidential ■ Paper jam in the ADF ■ Paper jam in the p aper eject section <User Check> - Check whether length doe s not use paper equal to or less than 148 mm. S tep Cause Check Result Remedy 1 Foreign object inside ADF Is there a foreign object inside ADF? Ye s Remove the foreign object. 2 Document rear actuator catching on some p ...

  • Brother DCP-8080DN/8085DN - page 148

    3-76 Confidential ■ Paper jam at the duplex scanni ng 11 . 4 W r i n k l e s <User Check> - Use the A4 or Letter size. - Use the document without warpage. - Use the paper which is not so too thin. (thickness of paper) S tep Cause Check Result Remedy 1 Foreign object inside ADF Is there a foreign object inside ADF? Ye s Remove the foreign ob ...

  • Brother DCP-8080DN/8085DN - page 149

    3-77 Confidential 12. SCANNING IMAGE DEFECT TROUBLESHOOTING 12.1 Image Defect Examples Fig. 3-1 1 12.2 T roubleshooting Image Defect Image defect related prob lems are end user recoverable if following the User Check items. If the same pr oblem occ urs, follow e ach proced ure in the or der of the number de scribed in th e S tep column in the table ...

  • Brother DCP-8080DN/8085DN - page 150

    3-78 Confidential ■ Faulty registration ■ Dark 1. ADF S tep Cause Check Result Remedy 1 Document rear actuator catching on some position Does the document rear actuator mo ve smoothly? No Re-assembly the document rear actuator . 2 Fine adjustment of scan start position misalignment Is the problem solv ed by performing the fine adjustment o f sc ...

  • Brother DCP-8080DN/8085DN - page 151

    3-79 Confidential ■ Completely blank ■ V ertical streaks ■ White vertical streaks S tep Cause Check Result Remedy 1 White level data malfunction Is the problem solv ed by performing the acquisition of white level data. (F unction code 55) Ye s Perform the acquisition of white level data. (Function code 55) 2 CCD unit failure Is the problem so ...

  • Brother DCP-8080DN/8085DN - page 152

    3-80 Confidential 13. OTHERS PROBLEMS ■ The machine is not turned on, or th e LCD indication does not appear . ■ The fan does not work. S tep Cause Check Result Remedy 1 Harness connection failure of LCD panel PCB Is the harness of the LCD panel PCB ASSY connected correctly? No Reconnect the LCD p anel PCB ASSY harness. 2 LCD panel PCB failure ...

  • Brother DCP-8080DN/8085DN - page 153

    3-81 Confidential ■ Pickup function of p aper tray does not wo rk. ■ The new toner is not detected. ■ Printing from Macintosh applications fails. ■ USB direct printing does not work. S tep Cause Remedy 1 Link lever not operating smooth ly or catching. Make sure corre ct movemet of the link lever . 2 Pickup roller holder ASSY not operating s ...

  • Brother DCP-8080DN/8085DN - page 154

    Confidential CHAPTER 4 PERIODIC MAINTENANCE ...

  • Brother DCP-8080DN/8085DN - page 155

    Confidential CHAPTER 4 PERIODIC MAINTENANCE CONTENTS 1. PERIODIC MAIN TENANCE P ARTS ..... ................ ................ ............. ................ ........... 4-1 1.1 Periodical Replacement Parts .... ............. ... ............. ................ ............. ............. .... 4-2 1.2 Procedures to Replace Periodical Replacement Parts ...

  • Brother DCP-8080DN/8085DN - page 156

    4-1 Confidential 1. PERIODIC MAINTENANCE P ARTS T o avoid creating secondary problems by mi shandling, follow the wa rnings below during maintenance work. WARNING • Always turn of f the power switch and unplug the power cord from th e power outlet before accessing any p arts inside the mach ine. • When opening the fro nt cover or back cover to ...

  • Brother DCP-8080DN/8085DN - page 157

    4-2 Confidential 1.1 Periodical Replacement Part s Periodical rep lacement parts ar e the part s to be replaced periodically to maintain pr oduct quality . These part s would affect th e product quality greatly if th ey lost their fu nction even if they do not appear to be damag ed or there is no change in their appea rance. The periodical replacem ...

  • Brother DCP-8080DN/8085DN - page 158

    4-3 Confidential 1.2 Procedures to Replace Periodical Replacement Part s 1.2.1 Fuser unit and laser unit <Uninst alling Procedure> Check that the following before en tering the procedures. • Make sure that the AC cord is disc onnected from the printer . • Make sure that the Drum /toner ASSY is removed. • Make sure that the DX feed ASSY ...

  • Brother DCP-8080DN/8085DN - page 159

    4-4 Confidential (3) Remove the Arms of the Back cover from the Pins. (4) Remove the Back cover . Fig. 4-2 (5) Hold the Knobs on the Rear chute ASSY and pull down this to your side. (6) Remove the Arms of the Re ar chute ASSY from the Pins. (7) Remove the Rear chute ASSY . Fig. 4-3 Back co ver Pin Arm Arm Pin Pin Pin Knob Knob Rear chute ASSY 5 6 7 ...

  • Brother DCP-8080DN/8085DN - page 160

    4-5 Confidential (8) Rem ove the pan B M 4x20 T aptite scr ew . Re lease the Hooks in th e order of 8a, 8b a nd 8c. Remove the FU harness cover 1. Fig. 4-4 (9) Disconnect the connector of the Heater terminal while pressing the Hook of the connector of the Fuser unit. Fig. 4-5 Hooks FU harness cover 1 T aptite pan B M4x20 8b 8a 8c Hook F rame R Heat ...

  • Brother DCP-8080DN/8085DN - page 161

    4-6 Confidential (10) Pull the FU harness cover 2 to the direction of 10a while pressing the Hook and pull out the FU harness cover 2 from the back of the pr inter . Fig. 4-6 (1 1) Disconnect the connectors of the Thermistor ASSY M and Thermistor ASSY S from the Relay rear PCB ASSY , and remove the harnesses of these t hermistors. Fig. 4-7 Hook FU ...

  • Brother DCP-8080DN/8085DN - page 162

    4-7 Confidential (12) Remove the pan B M4x20 T aptite screw to remove the Fuser unit. Fig. 4-8 (13) Open the Front cover , remove the two bi nd B M4x12 T aptite screws, and then remove the Side cover L by releasing the Hooks in the orde r of 13a to 13d. Fig. 4-9 T aptite pan B M4x20 Fuser unit T aptite bind B M4x12 T aptite bind B M4x12 F ront cove ...

  • Brother DCP-8080DN/8085DN - page 163

    4-8 Confidential (14) Remove the four cup S M3 x6 SR T aptite screws to remove the Shield cover ASSY and the two FG harnesses. Fig. 4-10 (15) Remove the two bind B M4x12 T aptite screws, and then remove the Side cover R by following the direction from 15 a to 15d. Fig. 4-1 1 T aptite cup S M3x6 SR T aptite cup S M3x6 SR FG har ness FG harness Seal ...

  • Brother DCP-8080DN/8085DN - page 164

    4-9 Confidential (16) Remove the cup S M3x6 T a ptite screw , remove the ADF FG harness and FB FG harness. (17) Disconnect the Connector from the Drive r PCB. (18) Disconnect the two Connectors from the Main PCB. Fig. 4-12 Driver PCB Main PCB Main PCB <Left side> Connector (ADF motor harness) Connectors (ADF relay harness) Connector (FB cov e ...

  • Brother DCP-8080DN/8085DN - page 165

    4-10 Confidential (19) Disconnect the connector of the Scan ner moto r harness from the Driver PCB. (20) Disconnect the connectors of the Photo interrupter and FFC cable from the Main PCB. Fig. 4-13 (21) Disconnect the six connectors of the each ha rness from the Main PCB. Fig. 4-14 Note : • Aft er disconnecting flat cable(s), check th at each ca ...

  • Brother DCP-8080DN/8085DN - page 166

    4-11 Confidential (22) Remove the two bind B M4x12 T aptite scre ws, and then remove the Document scanner . Fig. 4-15 (23) Remove the two cup B M4x20 T aptite screws. Lift up the rear of the Scanne r unit slightly and remove th e Scanner unit. Fig. 4-16 Document scanner T aptite, bind B M4x12 <Back side> T aptite, bind B M4x12 Scanner unit T ...

  • Brother DCP-8080DN/8085DN - page 167

    4-12 Confidential (24) Remove the cup S M3x6 SR T aptite screw , and remove the Screw pan (S/P washe r) M3.5x6 of the NCU FG harness ASSY . Fig. 4-17 (25) Remove the four bind B M4x12 T aptite screws from the Joint cover . (26) Release all Hooks of the Joint cover and lif t up the front side of the Joint cover . (27) Pull out the Joint cover to the ...

  • Brother DCP-8080DN/8085DN - page 168

    4-13 Confidential (28) Disconnect the harness of the wireless PCB ASSY . (29) Slide the Sub duct to the direction of 29b wh ile pressing the Hook to the direction of 29a and remove the Sub du ct from the Air duct. Fig. 4-19 (30) Remove the Filter from the Air duct. Fig. 4-20 Note : • The filter is dirt. Be careful when disassembling or asse mblin ...

  • Brother DCP-8080DN/8085DN - page 169

    4-14 Confidential (31) Remove the Pin of the Air duct from the frame. Slide the Air duct to the direction of 31b and remov e the Air duc t. Fig. 4-21 Pin Hook Hook Hook Hook Laser unit Air duct 31b 31a ...

  • Brother DCP-8080DN/8085DN - page 170

    4-15 Confidential (32) Remove the two Flat cables from the Main PCB. (33) Remove the six cup S M3x6 T apt ite screws. (34) Remove the Protective film from the Flat cable. (35) Pull out the two Flat cabl es from the Core. (36) Remove the Laser unit. Fig. 4-22 Note : • Aft er disconnecting flat cable(s), check th at each cable is not damaged at its ...

  • Brother DCP-8080DN/8085DN - page 171

    4-16 Confidential < Inst alling Procedure > (1) Secure the Laser unit with the six cup S M3x6 T aptite screws. (2) Put the Flat cable (LD harness connector) throug h the Core. (3) Put the Flat cable (Poly gon motor co nnecto r) through the Core and Protective film. (Refer to "7. HARNESS ROUTING" in Chapter 5 .) (4) Connect the two F ...

  • Brother DCP-8080DN/8085DN - page 172

    4-17 Confidential (5) Install the Air duct into the Laser un it. Fig. 4-24 (6) Install the Filter into the Air duct. Fig. 4-25 Laser unit Air duct Air duct Filter ...

  • Brother DCP-8080DN/8085DN - page 173

    4-18 Confidential (7) Install the Sub duct into the Air duct. (8) Connect the harness of the wireless PCB ASSY . Fig. 4-26 (9) Sec ure the Joint co ver with the four bind B M4x12 T a ptite screw s. Fig. 4-27 Air duct Sub duct <Back side> 7b 8 Hooks Wireless PCB harness 7a 5 9a 9b T aptite bind B M4x12 T aptite bind B M4x12 T aptite bind B M4x ...

  • Brother DCP-8080DN/8085DN - page 174

    4-19 Confidential (10) Secure the Screw pan (S/P washer ) M3.5x6 of the NCU FG harness ASSY . (1 1) Secure the cup S M3x6 SR T aptite screw . Fig. 4-28 (12) Catch the Hooks of the Scanner unit into the Joint cover and se cure the Scanner unit with the two cup B M4x20 T aptite screws. Fig. 4-29 Screw , pan (S/P washer) M3.5X6 NCU FG harness ASSY NCU ...

  • Brother DCP-8080DN/8085DN - page 175

    4-20 Confidential (13) Secure the Document scanner with the two bind B M4x12 T aptite screws. Fig. 4-30 (14) Connect the two Connectors into the Main PCB. (15) Connect the Connector into Driver PCB. (16) Secure the ADF FG harness and FB FG harness with the cup S M3x6 T a ptite screw . Fig. 4-31 Document scanner T aptite, bind B M4x12 <Back side& ...

  • Brother DCP-8080DN/8085DN - page 176

    4-21 Confidential (17) Connect the connectors of the Photo in terrupte r and FFC cable into the Main PCB. (18) Connect the connector of the Scanner motor harness into the Driver PCB. Fig. 4-32 (19) Connect the six connectors of the each harness into th e Main PCB. Fig. 4-33 Note : • When connecting flat cable( s), do not insert them at an angle. ...

  • Brother DCP-8080DN/8085DN - page 177

    4-22 Confidential (20) Catch the Hooks in the order of the arrows and secure the Side cover R with the two bind B M4x12 T aptite screws. Fig. 4-34 (21) Secure the Shield cover ASSY and two FG harnesses with the four cup S M3x6 SR T aptite screws. Fig. 4-35 20a 20b 20c 20d T aptite bind B M4x12 Hook Hooks Hooks Side cov er R Hook T aptite bind B M4x ...

  • Brother DCP-8080DN/8085DN - page 178

    4-23 Confidential (22) Catch the Hooks in the order of the arrows and secure the Sid e cover L with the two bind B M4x12 T aptite screws. Fig. 4-36 22d 22c 22a 22b T aptite bind B M4x12 T aptite bind B M4x12 F ront cover Hooks Hooks Hook Side cov er L ...

  • Brother DCP-8080DN/8085DN - page 179

    4-24 Confidential CAUTION • DO NOT subject the fuser unit to strong physical shocks or vibrations. • DO NOT touch the rolle rs and the electrodes to prevent damage to the fuser unit In the following figures. • T o prevent the deformation of the pressure roller , the fuser unit sp are part is shipped with its pressure roller at low nip pressur ...

  • Brother DCP-8080DN/8085DN - page 180

    4-25 Confidential (23) Secure the Fuser unit with the pan B M4x20 T aptite screw . Fig. 4-37 T aptite pan B M4x20 Fuser unit ...

  • Brother DCP-8080DN/8085DN - page 181

    4-26 Confidential (24) Connect the connectors of the The rmistor ASSY M and Ther mistor ASSY S onto the Relay rear PCB ASSY . Fig. 4-38 (25) Install the FU harness cover 2. Fig. 4-39 Thermistor ASSY S Thermistor ASSY M Fuser unit Relay rear PCB ASSY Relay rear PCB ASSY Hook Hook 3a 3b 25b 25a Hook FU harness cover 2 ...

  • Brother DCP-8080DN/8085DN - page 182

    4-27 Confidential (26) Install the Heater terminal. Fig. 4-40 (27) Secure the FU harness cover 1 with the pa n B M4x20 T aptite screw . Fig. 4-41 Note : • Do not sandwich th e harness of the heater terminal by the FU harness cover 1. Hook F rame R Heater terminal Fuser unit 27b 27a Hooks FU harness cover 1 T aptite pan B M4x20 ...

  • Brother DCP-8080DN/8085DN - page 183

    4-28 Confidential (28) Catch the Arm of the Rear chute ASSY onto the Pin of the machine body and in stall the Rear chute ASSY . Fig. 4-42 (29) Catch the Arm of the Back cover onto the Pin of the machine body and install the Back cover . Fig. 4-43 28c 28b 28a Pin Pin Rear chute ASSY 29a 29b Back co ver Pin Arm Arm Pin ...

  • Brother DCP-8080DN/8085DN - page 184

    4-29 Confidential (30) Catch the Pins of the Ou ter chute onto the Back cover , and close the Back cover . Fig. 4-44 Set the following part s after assembling. • Set the DX feed ASSY or DX blank cover . • Install the Drum/toner ASSY into the Printer . • Put the Paper into the Pa per tray . • Reset the count of the Fuse r unit an d Laser uni ...

  • Brother DCP-8080DN/8085DN - page 185

    4-30 Confidential 1.2.2 Paper feeding kit for tray 1, 2 < Uninst alling Procedure > Check that the following before en tering the procedures. • Make sure that the AC cord is disc onnected from the printer . • Make sure that the Drum /toner ASSY is removed. • Make sure that the DX feed ASSY or DX blank cover is removed. • Make sure tha ...

  • Brother DCP-8080DN/8085DN - page 186

    4-31 Confidential (5) T urn the Printer up side down. (6) Push the Lift arm to the direction o f the arrow 6a and pull out the pin of the Roller holde r ASSY . Then, turn the Roller holder A SSY to the direction of the arrow 6b. Fig. 4-46 Note : • Pull out and put into the paper tray so that the Roller holder ASSY is lowered. • If the Roller ho ...

  • Brother DCP-8080DN/8085DN - page 187

    4-32 Confidential (7) Slide the Roller holder ASSY to th e direction of the arrow 7a. Then, lift up the gear side of the Roller hold er ASSY to the direction of the arro w 7b and pull it out to the direction of the arrow 7c to remove. Fig. 4-47 7c 7b 7a Roller holder ASSY P aper feed frame ...

  • Brother DCP-8080DN/8085DN - page 188

    4-33 Confidential < Inst alling Procedure > (1) Install the Roller holder ASSY . Fig. 4-48 Note : • When assembling the roller ho lder ASSY , align the section "A" on the shaft of the roller holder ASSY with th e hole on the paper feed frame. 1c 1b 1a Roller holder ASSY "A" P aper feed frame ...

  • Brother DCP-8080DN/8085DN - page 189

    4-34 Confidential (2) Assemble the Lift arm onto the Pin of the Roller ho lder ASSY . (3) Place the Printer on its base. Fig. 4-49 (4) Install the DX feed ASSY or DX blank cover , and install the Drum/toner ASSY . 2a Lift arm Pin Roller holder ASSY P aper feed frame 2b 2b ...

  • Brother DCP-8080DN/8085DN - page 190

    4-35 Confidential (5) Set the Separation pad spr ing. (6) Put the Hooks of the Sepa ration pad ASSY into the Paper tray , and turn the Separation pad ASSY to the direction of the arrow 6c to catch the Hooks into th e Paper tray . Fig. 4-50 (7) Put the Paper tray into the Printer . * Reset the count of the PF Kit after part replacement. Note : • C ...

  • Brother DCP-8080DN/8085DN - page 191

    4-36 Confidential 1.2.3 Paper feeding kit for MP tray < Uninst alling Procedure > Check that the following before en tering the procedures. • Make sure that the AC cord is disc onnected from the printer . • Make sure that the Drum /toner ASSY is removed. (1) Open the MP feed frame cover . Fig. 4-51 MP feed frame MP feed frame cover Front ...

  • Brother DCP-8080DN/8085DN - page 192

    4-37 Confidential (2) Remove the Holder bearing MP . Fig. 4-52 (3) Lift up the Lif t arm MP to release it from the Pin of the MP roller holder ASSY . (4) Slide the MP roller holder ASSY to the direction of the arrow 4a and put it up to remove. Fig. 4-53 2a 2b 2c MP feed fr ame Hook Holder bearing MP 4a 3 4b Pin Lift arm MP MP feed fr ame MP roller ...

  • Brother DCP-8080DN/8085DN - page 193

    4-38 Confidential (5) T urn the back side of the Separation pad ASSY MP to the direction of the arrow 5a and put it up to remove. Fig. 4-54 5b Separation pad ASSY MP MP feed fr ame MP frame 5a 5a ...

  • Brother DCP-8080DN/8085DN - page 194

    4-39 Confidential < Inst alling Procedure > (1) Put the Hook of the Sep aration pad ASSY MP into the MP feed fra me and pull down the Separation p ad ASSY MP to the direction of the arrow 1b until it is locked. Fig. 4-55 (2) Lift up the Lif t arm MP and put the MP rolle r holder ASSY into the MP feed frame. Put the Pin of the MP roller holder ...

  • Brother DCP-8080DN/8085DN - page 195

    4-40 Confidential (3) Put the Holder bear ing MP into the MP feed frame an d turn the Holder bear ing MP to the direction of the arrow 3c to lock. Fig. 4-57 (4) Close the MP feed frame cover . Fig. 4-58 (5) Install the Drum/tone r ASSY into the Printer . (6) Clos e the Front cover . * Reset the co unt of the PF Kit MP after par t replacem ent. 3a 3 ...

  • Brother DCP-8080DN/8085DN - page 196

    CHAPTER 5 DISASSEMBL Y/REASSEMBL Y ...

  • Brother DCP-8080DN/8085DN - page 197

    Confidential CHAPTER 5 PERIODIC MAINTENANCE This chapter det ails procedures for disassembling and reassembling the machine togethe r with related notes. The disasse mbly order flow provided enables you to see at a glance the quickest way to get to component(s) involved. At the start of a disassembly jo b, you chec k the disassembly order flow that ...

  • Brother DCP-8080DN/8085DN - page 198

    Confidential 9.21 SB Roller ASSY (For the models with the Reading DX only) ... ................ ......... 5-58 9.22 ADF Motor ....... ............. ............. ................ ............. ............. ................ ............. .. 5-60 9.23 S/B Solenoid ASSY (For the models with the DX only) ............ ................ ......... 5-61 9. ...

  • Brother DCP-8080DN/8085DN - page 199

    Confidential 9.61 USB HOST PCB ASSY .......... ................................ .......................... .................. 5-98 9.62 Side Cover R ... ................ ................ ................ ............. ................ ................. ... 5-100 9.63 Joint Cover ASSY . ................. ............................................. ...

  • Brother DCP-8080DN/8085DN - page 200

    Confidential 10.8 Connector: 54702-1219 ............... ................ ................ ................ ................. ... 5-159 10.9 Gear 24 L T ... ................ ............. ................ ............. ................ ................ .......... 5-160 10.10 Collar 6 .. ............. ................ ................ ............. . ...

  • Brother DCP-8080DN/8085DN - page 201

    5-1 Confidential 1. SAFETY PRECAUTIONS T o avoid creating secondary problems by mish andling, follow the warnings and precautions below during maintenance work. • Be careful not to lose screws, washers, or other part s removed. • Be sure to apply grease to the gears and ap plic able position s spec ified in this chapter . • When using solderi ...

  • Brother DCP-8080DN/8085DN - page 202

    5-2 Confidential 2. TRANSFERRING RECEIVED F AX DA T A When the machine at the user site r equires to be repaired, un plugging the power cord from the wall socket for sending the ma chine for repair will lose receiv ed F AX data if unprinted and left in the machine. T o prevent such data loss, the service personnel should instruct end users (e.g., b ...

  • Brother DCP-8080DN/8085DN - page 203

    5-3 Confidential (7) With th e "2.ACTIVITY ," "3.D OCUMENTS," "4.COM.LIST (NEW)," or "5.COM.LIST (ERR3)" being displa yed, press the [ OK ] button. The "ENTER NO . &SET" appears. (8) Ent er the telep hone number of the rec eiver machine and pr ess the [ OK ] butto n again. The machine displays t ...

  • Brother DCP-8080DN/8085DN - page 204

    5-4 Confidential 3. P ACKING Fig. 5-1 Accessory bag Manual Option car ton Drum/toner ASSY P ad P anel Cover Bag ASSY P ad P ad P ad Machine Car ton AC po wer cord USB cable T elephotne Line Cord ASSY ...

  • Brother DCP-8080DN/8085DN - page 205

    5-5 Confidential 4. SCREW T ORQUE LIST Location of screw Screw type Q’ty T ightening torque N m (kgf · cm) FU harness cover 1 T aptite pan B M4x20 1 0.7±0.1 (7±1) Fuser unit T aptite pan B M4x20 1 0.7±0.1 (7±1) Process cover stopper T aptite cup B M4x10 1 0.5±0.1 (5±1) Emblem cover T aptite cup B M3x10 2 0.5±0.1 (5±1) Side cover L T apti ...

  • Brother DCP-8080DN/8085DN - page 206

    5-6 Confidential FB FG harness T aptite cup S M3x6 1 0.8±0.1 (8±1) Drive plate ASSY T aptite B M3x8 4 0.5±0.1 (5±1) Scanner motor FB Screw , pan (S/P washer) M3X6 2 0.7±0.1 (7±1) Pulley ASSY T aptite B M3 x6 2 0.4±0.05 (4±0.5) Panel unit generic T aptite cup B M4x12 4 0.7±0.1 (7±1) Panel cover generic T aptite cup B M3x10 4 0.5±0.1 (5±1 ...

  • Brother DCP-8080DN/8085DN - page 207

    5-7 Confidential * The pare nthesis shows the LCD model. Safety louver T aptite bind B M3x10 1 0.5±0.1 (5±1) Base plate HV T aptite bind B M4x12 4 0.8±0.1 (8±1) HV insulation sheet T aptite bind B M4x12 1 0.8±0.1 (8±1) High-voltage PS PCB ASSY T aptite bind B M4x12 1 0.8±0.1 (8±1) T oner LED PCB unit ASSY T aptite pan B M3x8 1 0.5±0.1 (5± ...

  • Brother DCP-8080DN/8085DN - page 208

    5-8 Confidential 5. LUBRICA TION Fig. 5-2 The kind of the lubricating oil (Maker n ame) Lu brication point Quantity of labrica tion BG-MU (Kanto Kase i) Dev gear 37R joint drive Main motor ASSY Drum gear 82R 2mm dia. ball EM-D1 10 (MOL YKOTE) Separation pad 2mm dia. ball BG2 EM2 Apply grease on the cogs of the motor side Main motor ASSY Gear 82R BG ...

  • Brother DCP-8080DN/8085DN - page 209

    5-9 Confidential Fig. 5-3 EM-2 4 places Separation pad ASSY BG2: MOL YKO TE EM-D110 (2 mm ball) ...

  • Brother DCP-8080DN/8085DN - page 210

    5-10 Confidential 6. GEAR LA YOUT DRA WING Fig. 5-4 LM5016001 EJECT OR GEAR 16 LM5015001 EJECT OR SWITCH ARM LM5016001 EJECT OR GEAR 16 LM5052001 REGISTER GEAR 21 CENTER LM5053001 REGISTER GEAR 48 CARRIER LM5055001 REGISTER GEAR 159/43 INTERNAL LM5101001 GEAR 23 LM5461001 REGISTER DIFFERENTIAL LM5065001 MP GEAR 55/60 SECT OR LM5056001 FEEDER GEAR 2 ...

  • Brother DCP-8080DN/8085DN - page 211

    5-11 Confidential 7. HARNESS ROUTING 1 MP PE sensor ASSY High-voltage PS PCB ASSY Hook "B" MP feed fr ame MP feed fr ame Hole Hook "A" Hook "A" Printer top side (Printer body upside down) MP PE sensor ASSY ...

  • Brother DCP-8080DN/8085DN - page 212

    5-12 Confidential 2 PE EG sensor ASSY 3 Interlock SW ASSY PE EG sensor ASSY P aper feed frame Hook "B" Hole "A" PE EG sensor ASSY P aper Feed frame High-voltage PS PCB ASSY Hook "A" Hole "A" Printer top side (Printer body upside down) Hook "B" Interlock SW ASSY Relay front PCB ASSY Hooks F rame L Pi ...

  • Brother DCP-8080DN/8085DN - page 213

    5-13 Confidential 4 T oner sensor PCB unit ASSY 5 Regist solenoid ASSY T oner sensor PCB unit ASSY Relay front PCB ASSY Hooks Hook Hook F rame L Hook Pin Pin Register solenoid ASSY F rame L Relay front PCB ASSY Hooks Hook Hook Hook Hook Hook Pin Pin ...

  • Brother DCP-8080DN/8085DN - page 214

    5-14 Confidential 6 MP solenoid ASSY 7 T1 solenoid ASSY Relay front PCB ASSY MP solenoid ASSY F rame L Hook Hooks Hooks Pin Pin T1 solenoid ASSY Relay front PCB ASSY F rame L Hooks Hooks Hook Pin Pin ...

  • Brother DCP-8080DN/8085DN - page 215

    5-15 Confidential 8 Relay front PCB ASSY 9 Laser unit Relay front PCB ASSY Main PCB Hook F rame L Laser unit F rame L Hole Core Hook Gear cov er Main PCB P olygon motor (Flat cable) Protective film LD harness (Flat cable) ...

  • Brother DCP-8080DN/8085DN - page 216

    5-16 Confidential 10 Fan motor 60 unit 11 Fan motor 60 unit L V F rame R Hooks F an motor 60 unit T oner LED PCB unit ASSY F rame R Hooks Hook Hook Hook F an motor 60 unit L V T oner LED PCB unit ASSY ...

  • Brother DCP-8080DN/8085DN - page 217

    5-17 Confidential 12 T oner LED PCB unit ASSY F rame R Hooks Hook Hook Hole T oner LED PCB unit ASSY Printer top side (Printer body upside down) High-voltage PS PCB ASSY Hook Hooks Hole ...

  • Brother DCP-8080DN/8085DN - page 218

    5-18 Confidential 13 PS PCB unit 14 FG harness PS PCB unit Inlet harness ASSY P ower supply s witch Hook Hooks Core <A view> <A view> SW holder ASSY PS PCB unit terminal Base plate L V Printer top side (Printer body upside down) Shield cov er ASSY Shield cov er ASSY FG harness FG harness FG harness Main PCB Main PCB ...

  • Brother DCP-8080DN/8085DN - page 219

    5-19 Confidential 15 ADF unit Hole "B" Hole "B" Hole ADF Relay PCB ADF unit ADF harness ADF harness ADF motor harness ADF motor harness ADF motor ADF FG harness ADF FG harness ADF Relay harness ADF Relay harness Drive PCB Document cov er sensor har ness Document cov er sensor harness Document cov er sensor har ness Scanner unit ...

  • Brother DCP-8080DN/8085DN - page 220

    5-20 Confidential 16 ADF unit (Document front sensor 1, Document front sensor 2) Document front sensor 1 Document front sensor 2 Document front sensor 1 Document front sensor 2 Document front sensor 2 Document front sensor 1 Actuator front 1 P aper feed chute ASSY Document front sensor 2 Hole "C" Hole "C" Hole Hook Hooks Hook Ho ...

  • Brother DCP-8080DN/8085DN - page 221

    5-21 Confidential 17 ADF unit (Document rear sensor , Switch back sensor) 18 ADF unit (S/B solenoid ASSY , PF solenoid ASSY) Actuator R Actuator SB Lower main chute ASSY Hook Hooks Hook ADF Relay PCB ADF Relay PCB <A view> <A view> Document rear sensor Switch back sensor Document rear sensor Document rear sensor harness Document rear se ...

  • Brother DCP-8080DN/8085DN - page 222

    5-22 Confidential 19 Scanner unit (CCD module, HP sensor) 20 Scanner unit (Sca nner motor , FB FG harness) Main PCB CCD module FFC cable HP sensor HP sensor Drive plate ASSY Drive plate ASSY HP sensor harness FFC plate Hole Scanner unit Hook Pin Lib Drive plate ASSY Drive PCB Scanner unit Scanner motor FB FB FG harness Hole ...

  • Brother DCP-8080DN/8085DN - page 223

    5-23 Confidential 21 Panel unit 22 S peaker ASSY P anel unit generic P anel PCB P anel rear cover P anel PCB har ness P anel PCB har ness Main PCB Hole Hook T ape Joint cov er ASSY Hook Speaker ASSY Hook Main PCB Hole ...

  • Brother DCP-8080DN/8085DN - page 224

    5-24 Confidential 23 NCU unit 24 Fuser unit NCU FG harness NCU FG harness Base plate L V NCU harness NCU unit Hole Hole Joint cov er ASSY F rame L Main PCB Printer top side (Printer body upside down) Hooks Fuser unit Thermistor ASSY S Thermistor ASSY M Relay rear PCB ASSY L VPS PCB unit Heater terminal ...

  • Brother DCP-8080DN/8085DN - page 225

    5-25 Confidential 25 Relay rear PCB ASSY , Ejector solenoid (For the models with the DX only) 26 PS PCB unit, High-voltage PS PCB ASSY Main shield plate ASSY Relay rear PCB ASSY Insulation sheet DX tra y sensor Main PCB sheet F rame L Ejector solenoid Main PCB Insulation sheet Main PCB sheet Main PCB F rame L L VPS PCB unit High-voltage PS PCB ASSY ...

  • Brother DCP-8080DN/8085DN - page 226

    5-26 Confidential 27 Main motor ASSY , Thermistor ASSY , L T connector F rame L Thermistor ASSY Thermistor ASSY Main motor ASSY L T connector Main PCB ...

  • Brother DCP-8080DN/8085DN - page 227

    5-27 Confidential 28 Driver PCB, Battery 29 Wireless PCB (PCB T6 0H929.00 ASS Y 02) Main PCB Drive PCB Joint cov er ASSY Driver harness Battery har ness Battery Hole Hook Hook Hook Hole Hole F rame R Air duct F rame L Wireless PCB (PCB T60H929 ASSY 02) Wireless PCB harness LD harness Main PCB Main PCB <A view> <A view> ...

  • Brother DCP-8080DN/8085DN - page 228

    5-28 Confidential 30 USB HOST PCB Joint cov er ASSY USB HOST harness ASSY Hooks Main PCB USB PCB holde r USB HOST PCB Hole ...

  • Brother DCP-8080DN/8085DN - page 229

    5-29 Confidential 8. DISASSEMBL Y FLOW CHART AC Cord Drum/ Toner ASSY DX Feed ASSY 8.2 Back Cover 8.4 Fuser Unit 8.5 Tray MP ASSY Access Cover/ Side Cover L 8.7 Paper Tray 8.32 Fan Motor 60 Unit LV 8.18 T1 Solenoid ASSY 8.21 Ejector Solenoid ASSY 8.33 Frame L 8.20 Register Solenoid ASSY 8.6 MP Tray Cover ASSY/ Process Cover ASSY 8.8 Main PCB 8.31 F ...

  • Brother DCP-8080DN/8085DN - page 230

    5-30 Confidential 9. DISASSEMBL Y PROCEDURE ■ Preparation Prior to proceeding with the disa ssembly procedure, (1) Unplug • the AC cord, • the USB cable, if connected, • the LAN cable, if connected. (2) Remove • the Paper tray , • the T oner cartridge and Drum un it, • the DX unit. Fig. 5-5 DX unit Paper tray Drum/toner ASSY AC cord U ...

  • Brother DCP-8080DN/8085DN - page 231

    5-31 Confidential 9.1 Paper T ray (1) Pull up the back side of the Separation p ad ASSY . (2) Push the Hooks provided on both side s of the Separation p ad ASSY inwards. (3) Pull up the Separation pa d ASSY . Fig. 5-6 Separation pad ASSY Hook Hooks Hook 1 3 2 2 P aper tray ...

  • Brother DCP-8080DN/8085DN - page 232

    5-32 Confidential (4) Remove the Separation p ad spring. Fig. 5-7 (5) Push the hook of the lift gear 46 while push ing up the plate up plate, and remove the Lift gear 46. Fig. 5-8 P aper tray Separation pad spring Hook Hook P aper tray Plate up plate Plate up plate Lift gear 46 Lift gear 46 ...

  • Brother DCP-8080DN/8085DN - page 233

    5-33 Confidential (6) Remove the Gear 21-16. Fig. 5-9 (7) Remove the Gear 15. Fig. 5-10 P aper tray Gear 21-16 P aper tray Gear 15 ...

  • Brother DCP-8080DN/8085DN - page 234

    5-34 Confidential 9.2 Back Cover (1) Open the Back cover . (2) Remove the Pins of the Outer chute from the Back cover . Fig. 5-1 1 Pin Pin Back co ver Back co ver Outer chute ...

  • Brother DCP-8080DN/8085DN - page 235

    5-35 Confidential (3) Remove the Arm of the Back cover from the Pin. (4) Remove the Back cover . Fig. 5-12 Pin Arm Pin Back co ver Arm ...

  • Brother DCP-8080DN/8085DN - page 236

    5-36 Confidential 9.3 Rear Chute ASSY (1) Hold the Knobs on the Rear chute ASSY and pull down this to your side. (2) Remove the Arms of the Re ar chute ASSY from the Pins. (3) Remove the Rear chute ASSY . Fig. 5-13 (4) Remove the Arm of the Outer chute from the Pin of the Rear chute, and remove the Outer chute. Fig. 5-14 1 1 1 2 3 Pin Pin Knob Knob ...

  • Brother DCP-8080DN/8085DN - page 237

    5-37 Confidential (5) Push the Hook of the Rear chute (indicated by the arro w 5a), and move the Eject actuator to the direction of 5b. (6) Lift up the Eject actu ator to rem ove. (7) Remove the Eject actuator spring. Fig. 5-15 Fig. 5-16 Assembling Note: • When assembling the Eject actuator spring, ensu r e that its direction is correct referring ...

  • Brother DCP-8080DN/8085DN - page 238

    5-38 Confidential 9.4 Fuser Unit (1) Rem ove the pan B M 4x20 T aptite scr ew . Re lease the Hooks in th e order of 1a, 1b a nd 1c. Remove the FU harness cover 1. Fig. 5-17 (2) Disconnect the connector of the Heater terminal while pressing the Hook of the connector of the Fuser unit. Fig. 5-18 1b 1a 1c Hooks FU harness cover 1 T aptite, pan B M4x20 ...

  • Brother DCP-8080DN/8085DN - page 239

    5-39 Confidential (3) Pull the FU harness cover 2 to the direction of 3a while pressing the Hook and pull out the FU harness cover 2 from the back of the pr inter . Fig. 5-19 (4) Disconnect the connectors of the Thermistor ASSY M and Thermistor AS SY S from the Relay rear PCB ASSY , and remove the harnesses of these t hermistors. Fig. 5-20 Hook FU ...

  • Brother DCP-8080DN/8085DN - page 240

    5-40 Confidential (5) Remove the pan B M4x20 T aptite screw , and then remove Fuser unit. Fig. 5-21 CAUTION • DO NOT subject the fuser unit to strong physical shocks or vibrations. • DO NOT touch the rolle rs and the electrodes to prevent damage to the fuser unit In the following figures. T aptite, pan B M4x20 Fuser unit ...

  • Brother DCP-8080DN/8085DN - page 241

    5-41 Confidential (1) Put the fuser unit on a flat, ho rizontal surface. Pull up eac h of the black tab (a) on the right side and lef t side. Fig. 5-22 (2) Make sure that the black lever (b) is in the position in the illustration below . Fig. 5-23 Assembling Note: • T o p revent the deformatio n of the pr essure ro ller , the fuser u nit spare pa ...

  • Brother DCP-8080DN/8085DN - page 242

    5-42 Confidential 9.5 T ray MP ASSY (1) Open the MP tray cover ASSY . (2) Release the Pins of the Tray MP ASSY from the MP tray cover ASSY . (3) Remove the T ray MP ASSY . Fig. 5-24 2 2 1 3 Process cov er ASSY Pin T ra y MP ASSY MP tra y cover ASSY Pin ...

  • Brother DCP-8080DN/8085DN - page 243

    5-43 Confidential 9.6 MP T ray Cover ASSY/Proce ss Cover ASSY/Emb lem cover (1) Push the front cover release button . (2) Open Process cover ASSY . (3) Release the Hook to remove the Process cover stopper . Fig. 5-25 (4) Remove the MP tray cover ASSY and the Proc ess cover ASSY to the direction of 4a and 4b to release the Pins, and remove them. Fig ...

  • Brother DCP-8080DN/8085DN - page 244

    5-44 Confidential (5) Pull the Arm outwards and remove the Process cover ASSY from the MP tray cover ASSY . Fig. 5-27 (6) Remove the cup B M4x10 T aptite screw , a nd then remove the Process cover stopper . Fig. 5-28 (7) Remove the Support flap 1 from the Process cover . Fig. 5-29 Process cov er ASSY Arm MP tra y cover ASSY Process cov er Process c ...

  • Brother DCP-8080DN/8085DN - page 245

    5-45 Confidential (8) Rem ove the Hook of th e right side, an d then remove t he MP tray extentio n from the MP tray cover ASSY . Fig. 5-30 (9) Remove the two bind B M3 x10 T aptite screws, and then remove the Embl em cover from the MP tray cover . Fig. 5-31 MP tra y cover ASSY MP tra y extention Hook T aptite, bind B M3x10 T aptite, bind B M3x10 M ...

  • Brother DCP-8080DN/8085DN - page 246

    5-46 Confidential 9.7 Access Cover/Side Cover L (1) Remove the Access cover . Fig. 5-32 (2) Remove the two bind B M4x1 2 T aptite screws, and then remove the Side cover L by releasing the Hooks from 2a to 2d. Fig. 5-33 Access cov er 2b 2a 2c 2d T aptite, bind B M4x12 Hooks Hooks Hooks Side cov er L T aptite, bind B M4x12 ...

  • Brother DCP-8080DN/8085DN - page 247

    5-47 Confidential 9.8 ADF Unit (1) Remove the four cup S M3x6 T aptite screws, remove the two FG harnesses and then remove the Shield cover ASSY . Fig. 5-34 (2) Remove the cup S M3x6 T aptite screw , remove the ADF FG harness and FB FG harness. (3) Discon nect the Connec tor from the Driver PCB. (4) Disconnect the two Connectors from the Main PCB. ...

  • Brother DCP-8080DN/8085DN - page 248

    5-48 Confidential (5) Remove the two bind B M4x1 2 T aptite screws, and then remove the Document cover LGL. Fig. 5-36 9.9 Hinge Arm R (1) T urn the Document cover LGL up side down. Remove the Hinge arm R from the Hinge base R. Fig. 5-37 Document cov er LGL T aptite, bind B M4x12 <Back side> T aptite, bind B M4x12 5a 5b <Lower side> Hing ...

  • Brother DCP-8080DN/8085DN - page 249

    5-49 Confidential 9.10 Hinge Base R (1) Remove the three cup B M3x10 T aptite screws, and then remove the Hin ge base R. Fig. 5-38 9.1 1 Hinge ASS Y L (1) Remove the two cup B M3x10 T aptite screws and the cup S M3x12 T aptite screw , and then remove the Hinge ASSY L. Fig. 5-39 T aptite cup B M3x10 Hinge base R Document cov er LGL <Lower side> ...

  • Brother DCP-8080DN/8085DN - page 250

    5-50 Confidential 9.12 ADF Cover ASSY (1) T urn the Document cover up side down. Remove the ADF cover ASSY from the ADF unit. Fig. 5-40 9.13 ADF Side Cover F (1) Push the Hook from underneath the ADF unit to rel ease the Latch, and remove the cup S M3x8 T aptite screw and cup B M3 x10 T aptite screw from the AD F Side cover F . (2) Remove the ADF s ...

  • Brother DCP-8080DN/8085DN - page 251

    5-51 Confidential 9.14 ADF Side Cover R (1) Remove the cup B M3x10 T aptite screw . (2) Release the Hook from underneath the ADF unit, and remove the ADF side cover R from the ADF unit. Fig. 5-42 ADF side cov er R 1 2 ADF unit Hook Hook Hook <Back side> Latch T aptite cup B M3x10 ...

  • Brother DCP-8080DN/8085DN - page 252

    5-52 Confidential 9.15 ADF Chute ASSY (1) Disconnect the 7 connectors (for the mode l supporting the DX tray only) or 3 connector s (for the mod el supportin g no DX tray only) from the ADF re lay PCB. (2) Disconnect the connector of the ADF motor harness from the ADF motor . (3) Remove the cup S M3x8 T aptite screw and ADF FG harness. Fig. 5-43 (4 ...

  • Brother DCP-8080DN/8085DN - page 253

    5-53 Confidential (5) T urn the Document cover LGL th e correct way up and remove the four cup B M3x10 T aptite screws from the ADF chute ASSY . (6) Release the hook to remove the ADF chute ASSY fro m the Document cover LGL. Fig. 5-45 (7) T urn the ADF chute ASSY upside down and remove the four LF4 films. Fig. 5-46 T aptite cup B M3x10 T aptite cup ...

  • Brother DCP-8080DN/8085DN - page 254

    5-54 Confidential 9.16 SB Chute ASSY (For the models with the DX only) / SX Chute (For the models with out the DX only) (1) Remove the two cup S M3x8 T aptite screws. (2) Remove the SB chute ASSY or SX chute from the ADF chute ASSY . Fig. 5-47 9.17 Exit Chute Cover ASSY (1) T urn the ADF chute ASSY upside down and re move the four cup B M3x10 T apt ...

  • Brother DCP-8080DN/8085DN - page 255

    5-55 Confidential 9.18 Earth Spring (1) T urn the Exit chute cover ASSY upside down. Remove the Earth sp ring from the Exit chute cover ASSY . Fig. 5-49 Fig. 5-50 Assembling Note: • When assembling the Earth spr ing, ensure that the end of the Earth spring is attached onto the Antistatic brush as shown in the figure below . Ear th spring Antistat ...

  • Brother DCP-8080DN/8085DN - page 256

    5-56 Confidential 9.19 PF Roller Holder ASSY (1) T urn the ADF chute ASSY upside down. Rele ase the Hooks of the Conductive bushing A to remove the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY , and remo ve the PF roller holder ASSY from the ADF chute ASSY . Fig. 5-51 Bushing PF roller holder ASSY Conductive b ushing A <F ...

  • Brother DCP-8080DN/8085DN - page 257

    5-57 Confidential 9.20 LF Roller 1 ASSY (1) Release the Hooks of the Conductive bushing A to re move the Conductive bushing A. (2) Release the Lock lever an d then remove the Bushing fr om the ADF chute ASSY , and remove the LF roller 1 ASS Y from the ADF chute ASSY . Fig. 5-52 Fig. 5-53 Assembling Note: • When assembling the LF ro ller 1 ASSY , ...

  • Brother DCP-8080DN/8085DN - page 258

    5-58 Confidential 9.21 SB Roller ASSY ( For the models with the Reading DX only) (1) Release the Hooks of the Conductive bushing A to re move the Conductive bushing A. (2) Remove the Bushing from the ADF chut e ASSY , and remove the SB roller ASSY from the ADF chute ASSY . Fig. 5-54 Fig. 5-55 Assembling Note: • When assembling the SB roller ASSY ...

  • Brother DCP-8080DN/8085DN - page 259

    5-59 Confidential • When assembling each of the SB roller ASSY , LF roller 2/3/4 ASSYs and Exit roller ASSY , make sure to assemble it onto the correct position. Identify each roller by four shades of th e rollers. Fig. 5-56 * It is recommended to mark each of the roller ASSYs when disassembling them. Failure to assemble each roller ASSY onto the ...

  • Brother DCP-8080DN/8085DN - page 260

    5-60 Confidential 9.22 ADF Motor (1) Rem ove the tw o screw pan (S/P washer ) M3x6, and then remove the ADF motor . Fig. 5-57 (2) Remove the three cup S M3x8 T aptite screw s, and then remove the Motor frame ASSY . Fig. 5-58 Fig. 5-59 Assembling Note: • When assembling the Motor frame ASSY , ensure that the gears (indicated with gray) are placed ...

  • Brother DCP-8080DN/8085DN - page 261

    5-61 Confidential 9.23 S/B Solenoid ASSY (For the models with the DX only) (1) Remove the cup S M3x8 T aptite screw . (2) Remove the S/B solenoid ASSY . Fig. 5-60 9.24 PF Solenoid ASSY (For th e models with the DX only) (1) Remove the cup S M3x8 T aptite screw . (2) Remove the PF solenoid ASSY . Fig. 5-61 Motor frame ASSY S/B Solenoid ASSY T aptite ...

  • Brother DCP-8080DN/8085DN - page 262

    5-62 Confidential 9.25 ADF Relay PCB (1) Remove the cup S M3x8 T aptite screw . (2) Remove the ADF relay PCB. Fig. 5-62 ADF Relay PCB Motor frame ASSY T aptite cup S M3x8 ...

  • Brother DCP-8080DN/8085DN - page 263

    5-63 Confidential 9.26 Paper Feed Chute ASSY (1) Remove the two cup S M3x8 T aptite screws. (2) Remove the Paper feed plate. (For the models with the DX only) Fig. 5-63 (3) Remove the two cup B M3x8 T aptite screws. (4) Remove the Paper feed chute ASSY . Fig. 5-64 T aptite cup S M3x8 T aptite cup S M3x8 P aper feed plate T aptite cup S M3x8 T aptit ...

  • Brother DCP-8080DN/8085DN - page 264

    5-64 Confidential 9.27 Actuator Front 1/Phot o Interrupter (For the m odels with the DX only) (1) T urn the Paper feed chute ASSY upside down. Release the Hooks of the Photo interrupter to remove th e Photo interrupte r from the Paper feed chute ASSY . (2) Disco nnect the Connec tor from the Photo interrupter . Fig. 5-65 (3) Push down the S topper ...

  • Brother DCP-8080DN/8085DN - page 265

    5-65 Confidential 9.28 Actuator Front 2/Phot o Interrupter (For the m odels with the DX only) (1) Release the Hooks of the Photo interrupte r to remove the Photo interrupter fro m the Paper feed chute ASSY . (2) Disco nnect the Connec tor from the Photo interrupter . Fig. 5-67 (3) Push down the S topper , slide the Actuator front 2 to the stopper s ...

  • Brother DCP-8080DN/8085DN - page 266

    5-66 Confidential 9.29 ADF Film/Spring Pl ate ADF Front A ASSY/Se p aration Rubber/Rubber Holder/Sep aration Spring (1) Remove the ADF film. (2) Remove the B M3x6 T aptite screw , and then remove the S pring plate ADF front A ASSY . (3) Remove the Separation rubbe r . (4) Remove the Rubber holder . (5) Remove the Separation sp ring. Fig. 5-69 ADF f ...

  • Brother DCP-8080DN/8085DN - page 267

    5-67 Confidential 9.30 Presser Roller/LF Spring (1) Pus h the Hook to the dir ection of the arro w (1a) as shown in the f igure below while holding the Presser roller , and remove the Presser roller shaf t from the hook. (2) Pull the Presser roller shaft ou t of the Presser roller . (3) Remove the two LF springs. Fig. 5-70 Presser roller shaft Pres ...

  • Brother DCP-8080DN/8085DN - page 268

    5-68 Confidential 9.31 LF Roller 2 ASSY (1) Release the Hooks of the Conductive bushing A to re move the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY , and remove the LF roller 2 ASSY from the ADF chute ASSY . Fig. 5-71 Fig. 5-72 Assembling Note: • When assembling the LF ro ller 2 ASSY , assemble the Bu shing with aligning ...

  • Brother DCP-8080DN/8085DN - page 269

    5-69 Confidential 9.32 Exit Roller ASSY (1) Release the Hooks of the Conductive bushing A to re move the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY , and remove the Exit roller ASSY from the ADF chute ASSY . Fig. 5-73 Fig. 5-74 Assembling Note: • When assembling the Exit roller ASSY , assemble the Bushing with aligning t ...

  • Brother DCP-8080DN/8085DN - page 270

    5-70 Confidential 9.33 LF Roller 3 ASSY (1) T urn the ADF chute ASSY upside down. Rele ase the Hooks of the Conductive bushing A to remove the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY , and remove the LF roller 3 ASSY from the ADF chute ASSY . Fig. 5-75 Fig. 5-76 Assembling Note: • When assembling the LF ro ller 3 ASSY ...

  • Brother DCP-8080DN/8085DN - page 271

    5-71 Confidential 9.34 LF Roller 4 ASSY (1) Release the Hooks of the Conductive bushing A to re move the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY , and remove the LF roller 4 ASSY from the ADF chute ASSY . Fig. 5-77 Fig. 5-78 Assembling Note: • When assembling the LF ro ller 4 ASSY , assemble the Bu shing with aligning ...

  • Brother DCP-8080DN/8085DN - page 272

    5-72 Confidential 9.35 Flap A ASSY (For the models with the DX only)/ Flap A (For the models with out the DX only) (1) Release the Hooks of the Conductive bushing A to re move the Conductive bushing A. (2) Remove the Bushing from the ADF chute ASSY , and remove the Flap A ASSY or Flap A from the ADF chute ASSY . Fig. 5-79 Fig. 5-80 Assembling Note: ...

  • Brother DCP-8080DN/8085DN - page 273

    5-73 Confidential 9.36 Document Hold/Document Hold Spring (1) Push the Hooks to the direction of the arrows as shown in the figure below to remov e the Document hold. (2) Remove the Document hold spring gently to prevent it from jumping. Fig. 5-81 9.37 Upper Main Chute ASSY /Lower Main Chute ASSY (1) T urn the ADF chute ASSY upside down. Remove the ...

  • Brother DCP-8080DN/8085DN - page 274

    5-74 Confidential (3) Remove the three cup B M3x10 T aptite screws. (4) Remove the Front frame. Fig. 5-83 (5) Rem ove the fo ur cup B M3 x10 T aptite screw s. (6) Remove the Upper main chute ASSY from the Lower main chute ASSY . Fig. 5-84 T aptite cup B M3x10 F ront frame Main chute ASSY <F ront side> T aptite cup B M3x10 T aptite cup B M3x10 ...

  • Brother DCP-8080DN/8085DN - page 275

    5-75 Confidential 9.38 Actuator R/Photo Interrupter (1) T urn the Actuator R to the direction of the arrow 1a and pull it out to the direction of the arrow 1b. Fig. 5-85 (2) Release the Hooks of the Photo interrupte r to remove the Photo interrupter fro m the Lower main chute. (3) Disco nnect the Connec tor from the Photo interrupter . Fig. 5-86 Ac ...

  • Brother DCP-8080DN/8085DN - page 276

    5-76 Confidential 9.39 Flap B (1) Remove the Flap B from the Lower main chute. Fig. 5-87 9.40 Actuator SB/Photo In terrupter (For the mode ls with the DX only) (1) Push down the S topper , slide the Actuator SB to the stopper side and pull up the Actuator SB to remove. Fig. 5-88 Actuator R Lower main chute 1b 1a 1a Lower main chute Actuator SB Stop ...

  • Brother DCP-8080DN/8085DN - page 277

    5-77 Confidential (2) Release the Hooks of the Photo interrupte r to remove the Photo interrupter fro m the Lower main chute. (3) Disco nnect the Connec tor from the Photo interrupter . Fig. 5-89 9.41 Document Ejection T ray (1) Remove the ADF document output support flap from the Docum ent cover LGL. Fig. 5-90 Connector Hook Hook Photo interrupter ...

  • Brother DCP-8080DN/8085DN - page 278

    5-78 Confidential 9.42 Document Cover Sensor (1) Disco nnect the Connec tor from the Docu ment cover sens or . (2) Pull the Document cover sens or downwards to remove it from the Document cover LGL while pressing the Hook of the Document cover sensor . Fig. 5-91 Hook Hook Connector Document cov er LGL Boss Document cov er sensor Document cov er sen ...

  • Brother DCP-8080DN/8085DN - page 279

    5-79 Confidential 9.43 Eject Roller B4 (1) Remove the four Eject rollers B4 and two Pressure roller shaf t S from the Document cover LGL. Fig. 5-92 Assembling Note: • When assembling the Eject r ollers B4, ensur e that the direction of each roller is correct as shown in the figure above. Eject rollers B4 Eject rollers B4 Pressure roller shaft S H ...

  • Brother DCP-8080DN/8085DN - page 280

    5-80 Confidential 9.44 Presser Roller (1) T urn the Document cover LGL up side down. Remove the two cup B M3x10 T aptite screws. (2) Remove the Rear sensor cove r from the Document cover LGL. Fig. 5-93 (3) Remove the two cup B M3x10 T aptite screws, and then remove the tw o LF springs, four Presser rollers an d two Presser roller shaf ts S. Fig. 5- ...

  • Brother DCP-8080DN/8085DN - page 281

    5-81 Confidential 9.45 Panel Cover ASSY (1) Remove the Panel cover ASSY . Fig. 5-95 Hooks P anel cover ASSY ...

  • Brother DCP-8080DN/8085DN - page 282

    5-82 Confidential 9.46 Scanner Unit ASSY (1) Disconnect the connector of the Scanner motor harness from the Driver PCB. (2) Disco nnect the connec tor of the Photo inte rrupter and FF C cable from the Ma in PCB. Fig. 5-96 (3) Remove the two cup B M4x20 T aptite screws. Li f t up the rear of the Scanner unit slightly and remove th e Scanner unit. Fi ...

  • Brother DCP-8080DN/8085DN - page 283

    5-83 Confidential 9.47 T op Cover ASSY (1) Remove the six cup B M4x12 T aptite screws. (2) Remove the T op cover ASSY from the Scanner base ASSY . Fig. 5-98 Note: • Be sure not to open the T op cover ASSY in a dusty place. T aptite cup B M4x12 T aptite cup B M4x12 T op cov er ASSY Scanner base ASSY T aptite cup B M4x12 T aptite cup B M4x12 ...

  • Brother DCP-8080DN/8085DN - page 284

    5-84 Confidential 9.48 Lock Lever B/ Lock Lever ASSY (1) Remove the cup B M3x6 T aptite screw , and then remove the Lock lever B. (2) Remove the two cup B M3x6 T aptite sc rews, and then remove the Lock lever ASSY . Fig. 5-99 9.49 CCD Module (1) Loosen the two B M3x8 T aptite screws, pu sh the Pulley ASSY to the direction of the arrow 1a and remove ...

  • Brother DCP-8080DN/8085DN - page 285

    5-85 Confidential (2) Lift up the CCD Module and Guide shaft and pull the Guide shaft out of the CCD Module. Fig. 5-10 1 (3) Remove the Belt support rubb er , and t hen remove the Belt from the CCD module . (4) Remove the double-faced adhesive t ape which is attach ed between the FFC cable and CCD module, and disconnect the FFC cable from the CCD m ...

  • Brother DCP-8080DN/8085DN - page 286

    5-86 Confidential 9.50 FFC Cable ASSY (1) Release the Hooks and remove the FFC plate . Fig. 5-10 3 (2) Remove the Shield s ponge and FFC cable ASSY . (3) Remove the Flat core from the FFC cable ASSY . Fig. 5-10 4 Hook Hook FFC plate 2 3 Shield sponge Flat core FFC cable ASSY ...

  • Brother DCP-8080DN/8085DN - page 287

    5-87 Confidential 9.51 Scanner Motor FB (1) Remove the cup S M3x6 T aptite screw , and then remove the FB FG harne ss. (2) Remove the four pan B M3x8 T aptite scre ws, and then remove the Drive plate ASSY . Fig. 5-10 5 (3) Rem ove the tw o Screws pan (S/P washer) M3x6, and then remo ve the Scann er motor FB. Fig. 5-10 6 T aptite cup S M3x6 T aptite ...

  • Brother DCP-8080DN/8085DN - page 288

    5-88 Confidential 9.52 Pulley ASSY (1) Remove the two B M3x6 T aptite screws, and then remove the Pulley ASSY . (2) Remove the Pulley spring. Fig. 5-10 7 9.53 Photo Interrupter (1) Release the Hooks and remove the Photo interrupter . (2) Disco nnect the Connec tor from the Photo interrupter . Fig. 5-10 8 Pulley ASSY Pulley spring A 1 2 <Back sid ...

  • Brother DCP-8080DN/8085DN - page 289

    5-89 Confidential 9.54 Panel Unit (1) Disconnect the connector of the Panel PCB h arness from the Main PCB. Fig. 5-10 9 (2) Rem ove the fo ur cup B M4 x12 T aptite screw. (3) Remove the T ape fixing the Panel PCB harness. (4) Remove the Panel Unit. Fig. 5-1 10 Main PCB <Left side> Main PCB P anel PCB har ness T ape Pins P anel unit generic P ...

  • Brother DCP-8080DN/8085DN - page 290

    5-90 Confidential 9.55 Panel PCB ASSY (1) Disconnect the connector of the Panel PCB har ness from the Panel unit. (2) Rem ove the fo ur cup B M3 x10 T aptite screw s, release the two Hooks and remove the Panel cover . Fig. 5-1 1 1 Hook Hook P anel unit generic P anel PCB har ness T aptite cup B M3x10 P anel cover generic T aptite cup B M3x10 1 2 ...

  • Brother DCP-8080DN/8085DN - page 291

    5-91 Confidential (3) Disconnect the connector of the Backlight m odule harness from the Pane l PCB ASSY . (4) Unlock the lock, and remove the LCD cable from the Panel PCB ASSY . Fig. 5-1 12 (5) Release the four Hooks, lift up the Panel PCB ASSY to the directio n of the arrow 5a and remove the Panel PCB ASSY . Fig. 5-1 13 Note: • Aft er disconnec ...

  • Brother DCP-8080DN/8085DN - page 292

    5-92 Confidential 9.56 Printed Rubber Key (1) Remove the Printed rubber key . Fig. 5-1 14 Printed rubber key P anel cover ...

  • Brother DCP-8080DN/8085DN - page 293

    5-93 Confidential 9.57 LCD Cover/Backlight Module/LCD (1) Release the Hooks on the Panel cover to the direction of the arrow an d remove the LCD cover from the Panel cover . (2) Remove the LCD ASSY . Fig. 5-1 15 (3) Remove the LCD from the Backlight module. Fig. 5-1 16 1a 1a 1b 1c 1a 1a Hooks Hooks P anel cover LCD ASSY LCD cov er LCD Backlight mod ...

  • Brother DCP-8080DN/8085DN - page 294

    5-94 Confidential 9.58 NCU PCB ASSY (For the models with the NCU only) (1) Disconnect the connector of th e NCU harness from the Main PCB. Fig. 5-1 17 (2) Remove the Screw pan (S/P washer) M3.5x6, and remove the N CU FG harness ASSY . (3) Remove the two bind B M4x12 T aptite screws, and then remove the NCU unit. Fig. 5-1 18 NCU harness Main PCB Mai ...

  • Brother DCP-8080DN/8085DN - page 295

    5-95 Confidential (4) Remove the Screw pan ( S/P washer) M3.5x6 screw , and then remove the NCU shield cover . (5) Disconnect the connec tor of the NCU harness. Fig. 5-1 19 (6) Remove the two cup S M3x6 T aptite screws, and then remove the NCU PCB ASSY . Fig. 5-12 0 NCU shield cov er Screw , pan (S/P washer) M3.5X6 NCU harness NCU PCB ASSY NCU shie ...

  • Brother DCP-8080DN/8085DN - page 296

    5-96 Confidential 9.59 Speaker ASSY (1) Disconnect the connector of the S peaker harne ss from the Main PCB. Fig. 5-12 1 (2) Rem ove the b ind B M4x12 T apt ite screw . (3) Remove the S peaker hold spring and S peaker ASSY . Fig. 5-12 2 Speaker harness Main PCB Main PCB Speaker ASSY Speaker hold spring T aptite bind B M4x12 ...

  • Brother DCP-8080DN/8085DN - page 297

    5-97 Confidential 9.60 Driver PCB (1) Disco nnect the connec tor of the Driver harn ess from the Main PCB. Fig. 5-12 3 (2) Remove the cup S M3x6 SR T aptite scr ew and two cup B M3x8 T aptite screws. (3) Remove the Driver PCB shield and Driver PCB from the Joint cover ASSY . (4) Disconnect the connector of the Driver harness from the Driver PCB. Fi ...

  • Brother DCP-8080DN/8085DN - page 298

    5-98 Confidential 9.61 USB HOST PCB ASSY (1) Disconnect the connector of the USB HOST harness ASSY from the Main PCB. Fig. 5-12 5 Main PCB USB HOST harness ASSY Main PCB ...

  • Brother DCP-8080DN/8085DN - page 299

    5-99 Confidential (2) Disco nnect the conn ector of the USB H OST harness ASS Y from the USB HOST PCB ASSY . (3) Rem ove the b ind B M4x12 T apt ite screw , and remove the USB HOST FG harness. (4) Remove the bind B M4x12 T aptite screw , an d remove the USB PCB holder from the join t cover ASSY . Fig. 5-12 6 (5) Remove the cup S M3x6 SR T aptite sc ...

  • Brother DCP-8080DN/8085DN - page 300

    5-100 Confidential 9.62 Side Cover R (1) Remove the two bind B M4x1 2 T aptite screws, and then remove the Side cover R by following the directio n from 1a to 1d. Fig. 5-12 8 1d 1c 1b 1a T aptite, cup S M3x6 T aptite, cup S M3x6 Hook Hooks Hooks Hooks Side cov er R ...

  • Brother DCP-8080DN/8085DN - page 301

    5-101 Confidential 9.63 Joint Cover ASSY (1) Remove the Battery . (for the model supporting the Battery only) (2) Disco nnect the conn ector of the Batter y . (3) Disconnect the connector of the Batte ry harness from the Main PCB, an d then remove the Battery harness. Fig. 5-12 9 DANGER • Never disassemble or recharge th e battery . • Never dis ...

  • Brother DCP-8080DN/8085DN - page 302

    5-102 Confidential (4) Remove the four bind B M4x12 T apt ite screws from the Joint cover ASSY . (5) Release all Hooks of the Joint cover an d lift up the front side of the Joint cover ASSY . (6) Pull out the Joint cover ASSY to the front side. Fig. 5-13 0 6 <F ront side> 5 Hook Joint cov er ASSY T aptite, bind B M4x12 T aptite, bind B M4x12 ...

  • Brother DCP-8080DN/8085DN - page 303

    5-103 Confidential 9.64 Main PCB (1) Disconnect the 6 connectors and 6 flat cables from the Main PCB. Fig. 5-13 1 Caution: • Aft er disconnecting flat cable(s), check th at each cable is not damaged at its end or short-circuited. • When connecting flat cable( s), do not insert them at an angle. Af ter insertion, check that the cables are not at ...

  • Brother DCP-8080DN/8085DN - page 304

    5-104 Confidential (2) Remove the four cup S M3x6 T aptite screws and two Screws to remove the Main PCB. Fig. 5-13 2 Note: There are procedu res for disassembling Frame L af ter this procedure. ( 9.87 FRAME L ASSY ) 2a 2b Main PCB T aptite, cup S M3x6 SR FG harness Screws ...

  • Brother DCP-8080DN/8085DN - page 305

    5-105 Confidential 9.65 Gear Plate Calk ing ASSY/Develop Joint/Main Motor ASSY (1) Place the printer body so that the Frame L is at the top. (2) Remove the eight bind B M4x12 T aptite screws and one cup S M3x6 t aptite screw . (3) Remove the Gear plate ca lking ASSY from the Frame L. Fig. 5-13 3 Note: • Be careful not to drop the gear . T aptite, ...

  • Brother DCP-8080DN/8085DN - page 306

    5-106 Confidential (4) Remove the four cup S M3x6 T aptite scre ws, and then remove the Main motor ASSY . Fig. 5-13 4 (5) Remove the Develop joint from the Gear plate calkin g ASSY . Fig. 5-13 5 T aptite, cup S M3x6 Ferrite core Main motor ASSY Gear plate calking ASSY T aptite, cup S M3x6 T aptite, cup S M3x6 Dev elop joint Gear plate calking ASSY ...

  • Brother DCP-8080DN/8085DN - page 307

    5-107 Confidential 9.66 Main Shield Plate ASSY (1) Remove the Insulation sheet. (2) Pull out the Fla t cable fr om the Fer rite core. (3) Remove the Main PCB sheet. Fig. 5-13 6 Insulation sheet Relay front PCB ASSY (Flat cable) Ferrite core F rame L Main PCB sheet ...

  • Brother DCP-8080DN/8085DN - page 308

    5-108 Confidential (4) Remove the two bind B M4x12 T aptit e screws, and th en remove the Plate. Fig. 5-13 7 Assembling Note: • When assembling the Plate, ensu re to put the Plate into the base plate L V . • When assembling the Plate, secure the scr ew at the Frame L side first, then the screw at the base plate L V side. T aptite, bind B M4x12 ...

  • Brother DCP-8080DN/8085DN - page 309

    5-109 Confidential (5) Remove the three bind B M4x12 T aptite screws and cup S M3x6 T aptite screw , and then remove the Main shield p late ASSY . Fig. 5-13 8 Fig. 5-13 9 Assembling Note: • Hang the T ip of the Switch arm spring of the Main shield plate on the Eject gear 28 sector . T aptite, bind B M4x12 Main shield plate ASSY T aptite, bind B M ...

  • Brother DCP-8080DN/8085DN - page 310

    5-110 Confidential 9.67 Relay Rear PCB ASSY/Connector (1) Remove the Relay rear PCB ASSY (Include the DX sensor). Fig. 5-14 0 Hooks Hooks Hook Relay rear PCB ASSY F rame L DX sensor ...

  • Brother DCP-8080DN/8085DN - page 311

    5-111 Confidential (2) Remove the Connector harness. (3) Disconnect the L T connector while pressing the Hook inwards. Fig. 5-14 1 Fig. 5-14 2 Assembling Note: • When assembling the L T connector , ensure that its direction is correct refe rring to the figure below . Connector harness F rame L Hook L T connector Hook F rame L L T connector Boss ...

  • Brother DCP-8080DN/8085DN - page 312

    5-112 Confidential 9.68 Relay Front PCB ASSY (1) Remove the Relay front PCB ASSY . (2) Disconnect the five connectors from the Relay front PCB ASSY . Fig. 5-14 3 Fig. 5-14 4 Pin Pin Hook Hook F rame L Relay front PCB ASSY T1 solenoid connector Register solenoid connector MP solenoid connector Relay front PCB ASSY Inter lock SW connector T oner sens ...

  • Brother DCP-8080DN/8085DN - page 313

    5-113 Confidential 9.69 Drive Release Link (1) Rem ove the b ind B M3x10 T apt ite screw . (2) Lift up the back end of the Drive release cam slightly while lif ting up the MP solenoid lever and the MP solenoid ASSY and remove them from the Frame L. (3) Turn the Drive releas e link to th e direction of the arro w 3 until the groove of the Driv e rel ...

  • Brother DCP-8080DN/8085DN - page 314

    5-114 Confidential 9.70 MP Solenoid AS SY (1) Remove the cup B M3x8 T aptite screw , and then remove the S pring. Fig. 5-14 6 Fig. 5-14 7 Assembling Note: • When assembling the S pring, ensure that its di rection is correct refer ring to the figure below . F rame L T aptite, cup B M3x8 Spring F rame L Spring ...

  • Brother DCP-8080DN/8085DN - page 315

    5-115 Confidential (2) Remove the MP solenoid ASSY , Solenoid release spring P/R and MP solenoid lever . Fig. 5-14 8 9.71 T1 Solenoid ASSY (1) Rem ove the b ind B M3x10 T apt ite screw . (2) Remove the T1 solenoid ASSY and the Solenoid rele ase spring. Fig. 5-14 9 MP solenoid ASSY Solenoid release spring P/R MP solenoid lev er F rame L T aptite, bi ...

  • Brother DCP-8080DN/8085DN - page 316

    5-116 Confidential 9.72 T oner Sensor PCB (1) Remove the T o ner sensor PC B unit ASSY from the Frame L. Fig. 5-15 0 (2) Remove the PT sensor holder from the T oner sensor PCB ASSY . Fig. 5-15 1 F rame L T oner sensor PCB unit ASSY Hooks PT sensor holder Hooks T oner sensor PCB ASSY ...

  • Brother DCP-8080DN/8085DN - page 317

    5-117 Confidential 9.73 Register Solenoid ASSY (1) Rem ove the b ind B M3x10 T apt ite screw . (2) Remove the Register solenoid ASSY and the Solenoid release spring. Fig. 5-15 2 9.74 Ejector Solenoid ASSY (1) Rem ove the b ind B M3x10 T apt ite screw . (2) Remove the Ejector solenoid and the Solenoid release sp ring. Fig. 5-15 3 Solenoid release sp ...

  • Brother DCP-8080DN/8085DN - page 318

    5-118 Confidential 9.75 Interlock SW ASSY (1) Remove the Interlock SW ASSY from the Frame L. Fig. 5-15 4 9.76 New T oner Actuator (1) Remove the cup B M2x6 T aptite screw . (2) Remove the New toner actuator an d the New toner a ctuator spr ing. Fig. 5-15 5 Fig. 5-15 6 Assembling Note: • When assembling the New toner actuator spri ng, ensure that ...

  • Brother DCP-8080DN/8085DN - page 319

    5-119 Confidential 9.77 Gear 17/20/23 (1) Remove the Gear 23. Fig. 5-15 7 (2) Remove the Gear 20. Fig. 5-15 8 F rame L Hook Gear 23 F rame L Gear 20 Hook ...

  • Brother DCP-8080DN/8085DN - page 320

    5-120 Confidential (3) Remove the Gear 17 (black). Fig. 5-15 9 (4) Remove the Gear 17 (white). Fig. 5-16 0 F rame L Gear 17 (blac k) Hook F rame L Gear 17 (white) Hook ...

  • Brother DCP-8080DN/8085DN - page 321

    5-121 Confidential 9.78 Thermistor ASSY (1) Remove the Thermistor ASSY from the Frame L. Fig. 5-16 1 F rame L L T connector Boss ...

  • Brother DCP-8080DN/8085DN - page 322

    5-122 Confidential 9.79 Filter (1) Slide the Sub duct to the direction of 1b wh ile pressing the Hook to the direction of 1a and remove the Sub du ct from the Air duct. Fig. 5-16 2 (2) Remove the Filter from the Air duct. Fig. 5-16 3 Note: • The filter is dirt. Be careful when disassembling or asse mbling it. 1a 1b 1c Air duct Filter Hook Hooks S ...

  • Brother DCP-8080DN/8085DN - page 323

    5-123 Confidential 9.80 Laser Unit (1) Remove the Hooks of the Air duct from the fram e. Slide the Air duct to the direction of 1b and remove the Air duct. Fig. 5-16 4 (2) Remove the five cup S M3x6 T aptite screws. (The left back screw has already remo ve at “8.13 Main Shield Plate ASSY“) (3) Remove the Protective film from the Flat cable. (4) ...

  • Brother DCP-8080DN/8085DN - page 324

    5-124 Confidential 9.81 PS PCB Unit (1) T urn the Printer up side down. (2) Remove the Screw pan (S /P washer) M3.5x7.5SR, and remove the NCU FG harness. (3) Remove the five bind B M4x12 T aptite sc rews, and th en remove the Base plate L V . (4) Remove the Screw p an (S/P washer) M3.5x7.5SR from the Ba se plate L V to remove the PS PCB unit termin ...

  • Brother DCP-8080DN/8085DN - page 325

    5-125 Confidential (5) Remove the two bind B M4x12 T aptite screws, and then remove the L V insulation sheet. Fig. 5-16 7 (6) Remove the bind B M4x12 T aptite screw , and then remove the SW ho lder ASSY . (7) Float the Fan motor 60 unit L V from the Frame R. Fig. 5-16 8 Note: • Do not remove the Fan m otor 60 unit L V at th e above step. L V insu ...

  • Brother DCP-8080DN/8085DN - page 326

    5-126 Confidential (8) Remove the bind B M3x10 T aptite screw , and remove the Safety louver . Fig. 5-16 9 (9) Remove the Inlet harnes s ASSY from the SW holder . (10) Press the Hooks on both sides of the Power supply switch, pull out the Power supply switch to the direction of 10a and pu ll the wire out of the groove on the SW holder . Fig. 5-17 0 ...

  • Brother DCP-8080DN/8085DN - page 327

    5-127 Confidential (1 1) Remove the harness of the fuser unit and power supply harness. (12) Put each harness through th e space where the fan 60 unit is assembled and remove the PS PCB unit. (13) Remove the harness from the PS PCB unit. Fig. 5-17 1 11 12 PS PCB unit Harness ...

  • Brother DCP-8080DN/8085DN - page 328

    5-128 Confidential 9.82 High-V olt age PS PCB ASSY (1) Remove the four bind B M4x12 T aptite sc rews, and then remove the Base plate HV . Fig. 5-17 2 (2) Remove the bind B M4x12 T aptite screw , and then remove the HV insulation sheet. Fig. 5-17 3 T aptite, bind B M4x12 T aptite, bind B M4x12 <F ront side> Base plate HV Pin Pin T aptite, bind ...

  • Brother DCP-8080DN/8085DN - page 329

    5-129 Confidential (3) Remove the bind B M4x12 T aptite screw , and then remove the High-vo ltage PS PCB ASSY . (4) Disco nnect the thre e connectors from the High-voltage PS PCB ASSY . Fig. 5-17 4 Fig. 5-17 5 High-voltage PS PCB ASSY T aptite, bind B M4x12 Pins High-voltage PS PCB ASSY PE EG sensor connector MP PE sensor connector T oner LED PCB c ...

  • Brother DCP-8080DN/8085DN - page 330

    5-130 Confidential 9.83 Wireless PCB (PCB T60H989 ASSY 04) (Wirel ess LAN model) (1) Disconnect the connector from the Wir eless PCB harness. (2) Remove the Wireless PCB (PCB T60H989 ASSY 04) from the Frame R. Fig. 5-17 6 F rame R Hooks Wireless PCB harness Wireless PCB (PCB T60H989 ASSY 04) ...

  • Brother DCP-8080DN/8085DN - page 331

    5-131 Confidential 9.84 T oner LED PCB Unit ASSY (1) Remove the pan (washer) B M3x8 T aptite screw , and remove the Regist ground spring. (2) Remove the T o ner LED PCB unit ASSY from the Frame R. Fig. 5-17 7 Fig. 5-17 8 Assembling Note: • Hang the Hook of the Regist ground spring on the Pinch sp ring and hang the ring part of the Regist ground s ...

  • Brother DCP-8080DN/8085DN - page 332

    5-132 Confidential (3) Disconnect the two connectors from the T oner LED PCB. (4) Release the two Hooks to remove the LED holder from the T oner LED PCB. Fig. 5-17 9 9.85 Fan Motor 60 Unit (1) Remove the Fan motor 60 unit from the Frame R. Fig. 5-18 0 Hook Hook T oner LED PCB unit ASSY LED holder F an motor 60 unit L V connector F an motor 60 unit ...

  • Brother DCP-8080DN/8085DN - page 333

    5-133 Confidential 9.86 Fan Motor 60 Unit L V (1) Remove the Fan motor 60 unit L V from the Frame R. Fig. 5-18 1 F rame R F an motor 60 unit L V ...

  • Brother DCP-8080DN/8085DN - page 334

    5-134 Confidential 9.87 FRAME L ASSY (1) Remove the Insulation sheet. (2) Pull out the fl at cable fro m the Ferr ite core. (3) Remove the Main PCB sheet. Fig. 5-18 2 Note: The procedure fo r disassembling the Frame L after "9.64 Main PCB" is described below . Insulation sheet Relay front PCB ASSY (Flat cable) Ferrite core F rame L Main P ...

  • Brother DCP-8080DN/8085DN - page 335

    5-135 Confidential (4) Remove the two bind B M4x12 T aptit e screws, and th en remove the Plate. Fig. 5-18 3 (5) Remove the Gear 23, Gear 17 (white), Gear 17 (black) and Gear 20. Fig. 5-18 4 T aptite, bind B M4x12 T aptite, bind B M4x12 F rame L Plate Plate Base plate L V Pin Pin <Back side> F an motor 60 unit L V ...

  • Brother DCP-8080DN/8085DN - page 336

    5-136 Confidential (6) Rem ove the six bind B M4x12 T aptit e screws and the three cup S M3x6 T aptite screws. (7) Remove the Frame L. Fig. 5-18 5 T aptite, bind B M4x12 T aptite, bind B M4x12 T aptite cup S M3x6 SR Under bar Under bar F rame L ASSY ...

  • Brother DCP-8080DN/8085DN - page 337

    5-137 Confidential 9.88 MP Unit (1) Cut the Binder bundling th e harnesses w ith nippers. Fig. 5-18 6 (2) Remove the two bind B M3x8 T aptite screws. (3) Lift up the back side of th e MP feed frame and pull up the MP feed frame to remove. Fig. 5-18 7 Binder P aper feed frame Cut MP PE sensor connector PE EG sensor connector Hook Hook P aper feed fr ...

  • Brother DCP-8080DN/8085DN - page 338

    5-138 Confidential (4) Open the MP feed frame cover . Fig. 5-18 8 (5) Release the Hook to remove the Holder bearing MP from the MP feed frame. Fig. 5-18 9 MP feed fr ame cover MP feed fr ame Hook Holder bearing MP MP feed fr ame 5c 5b 5a ...

  • Brother DCP-8080DN/8085DN - page 339

    5-139 Confidential (6) Slide the MP roller holder ASSY to the direction of 6a and pull it up to remove. Fig. 5-19 0 (7) T urn the MP feed frame up side down. (8) Slide the PE actuator MP B to th e direction of 8b while pressing th e Hook to the direction of 8a, and pull it up to remove. Fig. 5-19 1 Hook Lift arm MP MP roller holder ASSY MP feed fr ...

  • Brother DCP-8080DN/8085DN - page 340

    5-140 Confidential (9) T urn the PE actuator MP to the direction of 9a and pull it up to remo ve. Fig. 5-19 2 (10) Remove the bind B M3x8 T aptite screw , and then remove the MP PE sensor ASSY . Fig. 5-19 3 MP feed fr ame PE actuator MP 9b 9a MP PE sensor ASSY T aptite, bind B M3x8 MP feed fr ame ...

  • Brother DCP-8080DN/8085DN - page 341

    5-141 Confidential (1 1) Lift up the back of the Separation p ad ASSY MP to the direction of 1 1 a and pull up the Separation p ad ASSY MP to remove. Fig. 5-19 4 (12) Remove the MP separation spring from the MP fr ame. Fig. 5-19 5 MP frame Separation pad ASSY MP 11b 11a MP frame MP separation spring ...

  • Brother DCP-8080DN/8085DN - page 342

    5-142 Confidential Fig. 5-19 6 Assembling Note: • When assembling the MP separation spring, ensure that its dire ction is correct referring to the figure below . Bosses MP separation spring ...

  • Brother DCP-8080DN/8085DN - page 343

    5-143 Confidential 9.89 Regist Actuator Rear /Regist Actuator Spring (1) T urn the Paper feed unit upside d own. (2) Release the Hook A of the Actuator cover to pull up the Actuator cover to re move. Fig. 5-19 7 (3) Slide the Regist actuator rear to the dire cti on of 3b while pressing the Hook to the direction of 3a and pull up the Regi st actuato ...

  • Brother DCP-8080DN/8085DN - page 344

    5-144 Confidential Fig. 5-19 9 Assembling Note: • When assembling the Regist a ctuator spring, ensure that its d irection is correct referring to the figure below . Hook Regist actuator spring Hook Regist actuator rear ...

  • Brother DCP-8080DN/8085DN - page 345

    5-145 Confidential 9.90 Regist Actuator Front /Regist Actuator Spring (1) Slide the Regist actuator front to the dire ction of 1b while pre ssing the Hook to the direction of 1a and pull up the Regist actuator front to remove. Then, remove the Regist actuator spring from t he Regist actuator front. Fig. 5-20 0 Fig. 5-20 1 Assembling Note: • When ...

  • Brother DCP-8080DN/8085DN - page 346

    5-146 Confidential 9.91 Roller Holder ASSY (1) Push the Lift arm to the di rection of 1a and pull out the pin of the Roller holder ASSY . Then, turn the Ro ller holder ASSY to th e direction of 1b. Fig. 5-20 2 (2) Slide the Roller holder ASSY to the direction of 2a. Then, lift up the gear side of the Roller holder ASSY to the directio n of 2b and p ...

  • Brother DCP-8080DN/8085DN - page 347

    5-147 Confidential 9.92 PE Actuator/Edge Actu ator/Edge Actuator Spring (1) Remove the Edge actuator spring. Fig. 5-20 4 (2) Release the hook and remove the Sep aration R shaft bearing. Fig. 5-20 5 Hooks Edge actuator Edge actuator spring P aper feed frame Hook P aper feed frame Separation R shaft bearing ...

  • Brother DCP-8080DN/8085DN - page 348

    5-148 Confidential (3) Pull out the Separation roller drive shaft to the dire ction of the arrow and remove the Edge actuat or and PE ac tuator . Fig. 5-20 6 PE actuator Edge actuator Separation roller drive shaft P aper feed frame ...

  • Brother DCP-8080DN/8085DN - page 349

    5-149 Confidential 9.93 PE EG Sensor ASSY (1) Rem ove the three bind B M4x12 T aptit e screws, and remov e the MP f rame. Fig. 5-20 7 P aper feed frame F rame R MP frame T aptite bind B M4x12 T aptite bind B M4x12 T aptite, bind B M4x12 ...

  • Brother DCP-8080DN/8085DN - page 350

    5-150 Confidential (2) Remove the bind B M3x8 T aptite screw , and then remove the PE EG sensor ASSY . Fig. 5-20 8 P aper feed frame T aptite bind B M3x8 PE EG sensor ASSY ...

  • Brother DCP-8080DN/8085DN - page 351

    5-151 Confidential 10. DISASSEMBL Y PROCEDURE (L T -5300) 10.1 Paper T ray (1) Pull out the Paper tray from the L T -5300. Fig. 5-20 9 (2) Pull up the back side of the Separation p ad ASSY . (3) Push the Hooks provided on both side s of the Separation p ad ASSY inwards. (4) Pull up the Separation pa d ASSY . Fig. 5-21 0 P aper tray P aper tray Hook ...

  • Brother DCP-8080DN/8085DN - page 352

    5-152 Confidential (5) Remove the Separation p ad spring. Fig. 5-21 1 (6) Remove the Lift gear 46. Fig. 5-21 2 P aper tray Separation pad spring P aper tray Plate up plate Plate up plate Hook Hook Lift gear 46 Lift gear 46 ...

  • Brother DCP-8080DN/8085DN - page 353

    5-153 Confidential (7) Remove the Gear 21-16. Fig. 5-21 3 (8) Remove the Gear 15. Fig. 5-21 4 P aper tray Gear 21-16 P aper tray Gear 15 ...

  • Brother DCP-8080DN/8085DN - page 354

    5-154 Confidential 10.2 L T Front Cover ASSY (1) Remove the two bind B M4x12 T aptite screws. (2) Remove the L T front cover ASSY . Fig. 5-21 5 (3) Remove the L T front paper guide from the L T front cover ASSY while pulling the two hooks inward s. Fig. 5-21 6 T aptite, bind B M4x12 L T front cover ASSY L T front cover ASSY Hooks L T front paper gu ...

  • Brother DCP-8080DN/8085DN - page 355

    5-155 Confidential 10.3 L T Rear Cover (1) Remove the two cup S M3x6 T aptite SR screws. (2) Remove the L T rear cover . Fig. 5-21 7 L T rear cover T aptite, cup S M3x6 SR <Back side> ...

  • Brother DCP-8080DN/8085DN - page 356

    5-156 Confidential 10.4 L T Side Cover L (1) Rem ove the b ind B M4x12 T apt ite screw . (2) Remove the cup S M3x6 T aptite SR screw . (3) Release the Hooks in the order of the arrows an d remove the L T side cover L. Fig. 5-21 8 Hooks <Left side> Hooks Boss L T side cover L T aptite, bind B M4x12 T aptite, cup S M3x6 SR 3a 3b 3e 3d 3c ...

  • Brother DCP-8080DN/8085DN - page 357

    5-157 Confidential 10.5 L T Side Cover R (1) Rem ove the b ind B M4x12 T apt ite screw . (2) Remove the cup S M3x6 T aptite SR screw . (3) Release the Hooks in the order of the arrows an d remove the L T side cover R. Fig. 5-21 9 <Right side> Hooks Boss L T side cover R T aptite, bind B M4x12 T aptite, cup S M3x6 SR 3d 3c 3e 3b 3a ...

  • Brother DCP-8080DN/8085DN - page 358

    5-158 Confidential 10.6 L T PCB ASSY (1) Disconnect the connectors from the L T PCB ASSY . (2) Remove the bind B M4x12 T aptite scr ew , and then remove the L T PCB ASSY . Fig. 5-22 0 <Left side> Hook L T PCB ASSY L T frame L T aptite, bind B M4x12 L T sensor PCB connector L T solenoid connector L T PCB ASSY L T sensor harness ASSY 1 connecto ...

  • Brother DCP-8080DN/8085DN - page 359

    5-159 Confidential 10.7 Connector: 55533-1219 (1) Remove the L T sensor harness ASSY 1 from the Connector: 55533-12 19. (2) Disconnect the Connector: 55533-121 9 while pressing the Hooks inwards. Fig. 5-22 1 10.8 Connector: 54702-1219 (1) Remove the L T sensor harness ASSY 2 from the Connector: 54702-12 19. (2) Disconnect the Connector: 54702-121 9 ...

  • Brother DCP-8080DN/8085DN - page 360

    5-160 Confidential 10.9 Gear 24 L T (1) Place the L T so that the L T frame L is at the top. (2) Release the Hook to remove the Gear 20 T1 roller drive from the L T frame L. Fig. 5-22 3 (3) Remove the Retaining ring E4. (4) Remove the Gear 24 L T from the L T frame L. Fig. 5-22 4 <Left side> Hook Gear 20 T1 roller drive L T frame L Retaining ...

  • Brother DCP-8080DN/8085DN - page 361

    5-161 Confidential 10.10 Collar 6 (1) Remove the Gear plate ground spr ing from the L T frame L. Fig. 5-22 5 (2) Remove the cup S M3x6 T aptite SR screw , and then remove the Feed roller gro und plate. Fig. 5-22 6 Gear plate ground spring L T frame L T aptite, cup S M3x6 SR L T frame L Feed roller g round plate ...

  • Brother DCP-8080DN/8085DN - page 362

    5-162 Confidential (3) Remove the T1 sector gear spring L T from the L T frame L. Fig. 5-22 7 Fig. 5-22 8 Assembling Note: • When assembling the T1 sector gear spring L T , ensure that its direction is corre ct referring to the figure below . L T frame L T1 sector gear spring L T T1 sector gear T1 sector gear spring L T L T frame L L T drive unit ...

  • Brother DCP-8080DN/8085DN - page 363

    5-163 Confidential (4) Remove the L T solenoid harness fr om the hooks of the L T drive unit. Fig. 5-22 9 (5) Remove the cup S M3x6 T aptite screw . (6) Remove the four bind B M4x12 T aptite sc rews, and then remove the L T drive unit. Fig. 5-23 0 Hooks L T drive unit Hooks L T solenoid har ness L T solenoid ASSY T aptite, bind B M4x12 T aptite, bi ...

  • Brother DCP-8080DN/8085DN - page 364

    5-164 Confidential (7) Remove the Clutch spring from the L T drive unit. Fig. 5-23 1 (8) Remove the Collar 6. (9) Remove the Clutch arm ASSY from the L T drive unit. Fig. 5-23 2 (10) Remove the Collar 6 from the Clutch arm ASSY . Fig. 5-23 3 L T drive unit Clutch spring Clutch arm ASSY L T drive unit Collar 6 Clutch arm ASSY Collar 6 ...

  • Brother DCP-8080DN/8085DN - page 365

    5-165 Confidential 10.1 1 L T Solenoid ASSY (1) Remove the bind B M3x10 T aptite screw , and then remove the L T solenoid ASSY . (2) Remove the Solenoid release spring P/R from th e L T solenoid ASSY . Fig. 5-23 4 10.12 Roller Holder ASSY (1) Push the Lift arm to the direction o f the arrow 1a and pull out the pin of the Roller holde r ASSY . Then, ...

  • Brother DCP-8080DN/8085DN - page 366

    5-166 Confidential (2) Slide the Roller holder ASSY to the direction of the arrow 2a. Then, lift up the gear side of the Roller hold er ASSY to the direction of the arro w 2b and pull it out to the direction of the arrow 2c to remove. Fig. 5-23 6 10.13 Edge Actuator Spring (1) Remove the Edge actuator spring. Fig. 5-23 7 Assembling Note: • When a ...

  • Brother DCP-8080DN/8085DN - page 367

    5-167 Confidential 10.14 PE Actuator , Edge Actuator (1) Rele ase the Ho ok and rem ove the Separat ion R shaft bearin g. Fig. 5-23 8 (2) Pull out the Separation roller drive shaft to the dire ction of the arrow and remove the Edge actuat or and PE ac tuator . Fig. 5-23 9 Separation R shaft bearing Hook L T paper feed frame Edge actuator Separation ...

  • Brother DCP-8080DN/8085DN - page 368

    5-168 Confidential 10.15 L T Sen sor PCB ASSY (1) Remove the two bind B M4x12 T aptite screws. (2) Remove the four cup S M3x6 T aptite SR screws, and then remove the L T frame L. Fig. 5-24 0 (3) Remove the two cup S M3x6 T aptite SR sc rews, and then remove the L T paper feed frame. Fig. 5-24 1 T aptite, cup S M3x6 SR T aptite, cup S M3x6 SR Under ...

  • Brother DCP-8080DN/8085DN - page 369

    5-169 Confidential (4) Remove the two cup B M3x12 T aptite screws, and then remove the L T front beam. Fig. 5-24 2 (5) Remove the bind B M3x8 T aptite screw , and then remove the L T sensor PC B ASSY . Fig. 5-24 3 T aptite, cup B M3x12 L T front beam L T paper feed frame T aptite, bind B M3x8 L T sensor PCB ASSY L T paper feed frame ...

  • Brother DCP-8080DN/8085DN - page 370

    Confidential CHAPTER 6 ADJUSTMENTS AND UPDA TING OF SETTINGS, REQUIRED AFTER P ARTS REPLACEMENT ...

  • Brother DCP-8080DN/8085DN - page 371

    Confidential CHAPTER 6 ADJUSTMENTS AND UPDA TING OF SETTINGS, REQUIRED AFTER P ARTS REPLACEMENT This chapter details adjustm ents and updating of settings, which are required if the head/ carriage unit, main PCB and so me other parts have been re placed. CONTENTS 1. IF YOU REPLACE THE MAIN PCB ............ ................. ............. .......... ...

  • Brother DCP-8080DN/8085DN - page 372

    6-1 Confidential 1. IF YOU REPLACE THE MAIN PCB <What to do when replacing the main PCB> ■ Rewriting the Firmware (Main Firmwa re, Sub Firmware (PCL/PS)) ■ EEPROM Customizing of the Main PCB (Maintenance Mode: Code 74) ■ EEPROM Parameter Initializ ation of the Main PCB (Maintenance Mode: Code 01) ■ Operational Check of Control Panel B ...

  • Brother DCP-8080DN/8085DN - page 373

    6-2 Confidential <Procedures> ■ Rewriting the Firmware • How to rewrite the firm ware by using the USB flas h memory drive If you save program files in the USB f lash memor y drive and plug it into the USB direct Interface, you can rewrite th e firmware and set the country . (1) Save the necessary program files such as Main firmware (djf ...

  • Brother DCP-8080DN/8085DN - page 374

    6-3 Confidential • If rewriting the firmware files If rewriting the firmware using a USB flash me mory drive fails in process and an error message appears on the LCD, or no messag e appears on the LCD, it will be necessary to rewrite the firmware using the “F ILEDG32.EXE”. Follow the steps below . < Inst alling the maintenance driver > ...

  • Brother DCP-8080DN/8085DN - page 375

    6-4 Confidential (6) The following screen appears, indicating th e de tection of new hardware device by the system. Select “No, not this time.” And click Next . (7) Select “Install th e software automatica lly (Recommended)” and click Next. ...

  • Brother DCP-8080DN/8085DN - page 376

    6-5 Confidential (8) Alert warning message of WHQL appears. Click Continue Anyway to proceed. ...

  • Brother DCP-8080DN/8085DN - page 377

    6-6 Confidential (9) If the Brother Maintenance USB Printer driv er is successfully in stalled, the following message screen appears. Click Finish to re turn. (10) Repeat the steps from (7) to (9) three times, and then complete its inst allation. Note; • In order to check whether the printer dr iver is successfully installed, click Star t , Setti ...

  • Brother DCP-8080DN/8085DN - page 378

    6-7 Confidential <How to rewrite the firmware> After the inst allation procedure of the Brother Maintenance USB Prin ter driver is completed, refer to the following steps for the detailed pr ocedures to rewrite the program files. If the Brother Ma intenanc e USB Printer Driver ha s al ready been installed to your PC according to this procedur ...

  • Brother DCP-8080DN/8085DN - page 379

    6-8 Confidential ■ EEPROM Customizing of Main PCB (Maintenance Mode: Code 74) Refer to “4.18 EEPROM Customizing” in Chapter 7 , and perform the EEPROM Customizing. For models in France and surr ounding countries, Pan-Nordic, Oceania or Ib eria, implement the setting for Code 74 in Maintenance mod e first. Then, implement more detaile d settin ...

  • Brother DCP-8080DN/8085DN - page 380

    6-9 Confidential (3) Check the port (USB) that the machine is connected through and click “ Serial No.” in the lower box. Enter the serial number (the last nine digits) of the machine into the box on the right hand side and click the [ OK ] button. A confirmation window opens a nd shows the serial number . Check that it is correct and click the ...

  • Brother DCP-8080DN/8085DN - page 381

    6-10 Confidential ■ Setting the toner cartridge type The “T oner Life En d” message is displayed according to the upper limit value of the developing roller rot a tion. The upper limit value is dif ferent between the starter to ner cartridge, stan dard one and high-capacity one. Therefore, it is necessar y to set the c onforma ble value to th ...

  • Brother DCP-8080DN/8085DN - page 382

    6-11 Confidential ■ Scanning and Printing Check Scan the test chart TC-023 with ADF , and make sure there are no problem of the printed image. Make sure there are no problem of the ADF , scanner unit and the performance of recording p art. ■ ROM V ersion Check (Maintenance Mode: Code 25) Refer to "4.9 ROM V ersion Check (Function code 25)& ...

  • Brother DCP-8080DN/8085DN - page 383

    6-12 Confidential 2. IF YOU REPLACE THE WIRELESS LAN PCB <What to do when replacing the wireless LAN PCB> • Backup to the Main PCB of th e Wireless LAN PCB Inform ation <Which p art s to use> WIRELESS LAN PCB ASSY ■ Backup to the Main PCB of the Wireless LAN PCB In formation (MFC 8890DW only) The main PCB stores a part of the inform ...

  • Brother DCP-8080DN/8085DN - page 384

    6-13 Confidential 3. IF YOU REPLACE THE WIRELESS LAN PCB <What to do when replacing the FB unit> ■ Acquisition of White Level Dat a and Set the CCD Scanner Area (Maintenance Mode: Code 55) <Procedures> ■ Acquisition of White Level Dat a and Set the CCD Scanner Area (Maintenance Mode: Code 55) Refer to “4.16 Acquisition of White Le ...

  • Brother DCP-8080DN/8085DN - page 385

    CHAPTER 7 SER VICE MODE ...

  • Brother DCP-8080DN/8085DN - page 386

    Confidential CHAPTER 7 SER VICE MODE The maintenance mode is exclusively designed for the pu rpose of checks, settings and adjustment s using the buttons on the contro l pa nel or open/close of the fron t cover . Y ou can perform operational checks of p anel PCB, se nsors, perform a print test , display the log information or err or codes. CONTENTS ...

  • Brother DCP-8080DN/8085DN - page 387

    Confidential 5.4 Unlocking and Clearing the Password of the Func tion Lock / Setting Lock ........ 7-39 5.5 Clearing the Data of the Secure Print .. .......... ............. ................ ............. ............ 7-39 ...

  • Brother DCP-8080DN/8085DN - page 388

    7-1 Confidential 1. ENTR Y INTO THE MAINTENANCE MODE Press the [ Menu ] and [ St a r t ] buttons. Next press the [ ] button four times to make the machine ente r the maintena nce mode. The machine beep s for approx. one second and displays " " on the LCD, indicating that it is placed in the initial stage of th e maintenance mode, a mode i ...

  • Brother DCP-8080DN/8085DN - page 389

    7-2 Confidential 2. LIST OF MAINTENANCE-MODE FUNCTIONS Function Code Function Refer to: 01 EEPROM Parameter Initialization 4.1 (7-4) 05 Printout of Scanning Compensation Dat a 4.2 (7-5) 06 Placement of CIS Unit Position for T ransportation 4.3 (7-8) 08 ADF Performance T est 4.4 (7-8) 09 T est Pattern 4.5 (7-9 ) 10 Worker Switch (WSW) Setting 4.6.1 ...

  • Brother DCP-8080DN/8085DN - page 390

    7-3 Confidential 3. USER-ACCESS T O THE MAINTENANCE MODE Basically , the maintenance-mode functions listed on the previous page should be accessed by service personnel o nly . However , you can a llow end users to access some of these under the guidance of service personnel (e.g., by telephone) . The user-accessible functions (codes 06, 09, 10, 1 1 ...

  • Brother DCP-8080DN/8085DN - page 391

    7-4 Confidential 4. DET AILED DESCRIPTION OF MAINTENANCE-MODE FUNCTIONS 4.1 EEPROM Parameter Initia lization (Functi on code 01/91) <Function> The machine initializes the para meters, user switches, and firmware switches register ed in the EEPROM, to the initial values. Entering the function code 01 initializes all of the EEPROM areas, but en ...

  • Brother DCP-8080DN/8085DN - page 392

    7-5 Confidential 4.2 Printout of Scanning Compen sation Dat a (Function code 05) <Function> The machine print s out the white and black level data for scann ing compensation. <Operating Procedure> Implement the operating procedure below after scanning the document once at least, not immediately af ter the machine is turned on. Since the ...

  • Brother DCP-8080DN/8085DN - page 393

    7-6 Confidential (4) Upon completion of recording of the compe nsation data list, the equipment r eturns to the initial stage of the maintenance mode. ■ For white and black scanning Fig. 7-1 Note: • If any data is abnormal, its code will be printed in inline sty le. ...

  • Brother DCP-8080DN/8085DN - page 394

    7-7 Confidential ■ For color scanning Fig. 7-2 ...

  • Brother DCP-8080DN/8085DN - page 395

    7-8 Confidential 4.3 Placement of FB Unit in Position for T ransport ation (Function code 06) <Function> This function is to move the scanning unit in position for transport ation located at the r ight end. When you fix the F AX equipment and check it s operation, you need to perform this fun ction right before packing and shipping it. <Op ...

  • Brother DCP-8080DN/8085DN - page 396

    7-9 Confidential 4.5 T est Pattern 1 (Function code 09) <Function> This function, much like the copying function, pr ints out test pattern 1 to allow the service personnel to check for record dat a missing or print quality . <Operating Procedure> Press the [ 0 ] and [ 9 ] keys in this order in the init ial stage of the maintenan ce mode ...

  • Brother DCP-8080DN/8085DN - page 397

    7-10 Confidential 4.6 Firmware Switch Setting and Printout 4.6.1 Firmware switch setti ng (Function code 10) <Function> The machine incorporates the following firmware switch fun ctions which may be activated with the procedures using the contr ol panel keys and buttons. The firmware switches have been se t at the fa ctory in conformity to th ...

  • Brother DCP-8080DN/8085DN - page 398

    7-11 Confidential WSW33 Function setting 1 1 App. 1-40 WSW34 Function setting 12 App. 1-41 WSW35 Function setting 13 App. 1-42 WSW36 Function setting 14 App. 1-42 WSW37 Function setting 15 App. 1-44 WSW38 V .34 transmission settings App. 1-45 WSW39 V .34 transmission speed App. 1-46 WSW40 V .34 modem settings App. 1-47 WSW41 ON-duration of th e sca ...

  • Brother DCP-8080DN/8085DN - page 399

    7-12 Confidential <Operating Procedure> (1) Pre ss the [ 1 ] and [ 0 ] keys in this order in the initial stage of the main tenance mode. The machine disp lays the "WSW00" on the LCD and becomes ready to acce pt a firmware switch number . (2) Enter the desired number fr om the firmware switch numbers (01 through 53 ). The following a ...

  • Brother DCP-8080DN/8085DN - page 400

    7-13 Confidential 4.6.2 Printout of firmware switch dat a (Function code 1 1) <Function> The machine print s out the setting items and contents specified by t he firmware switches. <Operating Procedure> (1) Pre ss the [ 1 ] key twice in the initial st age of the maintenance mod e. The "PRINTING" will appear on the LCD. (2) The ...

  • Brother DCP-8080DN/8085DN - page 401

    7-14 Confidential 4.7 Operation Check of LC D (Function code 12) <Function> This functio n allows you t o check wheth er the LCD o n the cont rol panel works no rmally . <Operating Procedure> (1) Pre ss the [ 1 ] and [ 2 ] keys in this order in the initial stage of the main tenance mode. The LCD shows. (2) Pre ss the [ Star t ] button. ...

  • Brother DCP-8080DN/8085DN - page 402

    7-15 Confidential 4.8 Operational Check of Control Panel PCB (Function code 13) <Function> This function allows you to check t he control p anel PCB for normal operation. <Operating Procedure> (1) Pre ss the [ 1 ] and [ 3 ] keys in this order in the initial stage of the main tenance mode. The "00" will appear on the LCD. (2) P ...

  • Brother DCP-8080DN/8085DN - page 403

    7-16 Confidential 4.9 ROM V ersion Check (Function code 25) <Function> This function allows you to check the manageme nt information of the software programs such as version info rmation, check sum. <Operating Procedure> (1) Pre ss the [ 2 ] key and [ 5 ] key in this order in the initia l stage of the maintenan ce mode. The machine disp ...

  • Brother DCP-8080DN/8085DN - page 404

    7-17 Confidential 4.10 Sensor Operationa l Check (Function code 32) <Function> This function allows you to check whether the 20 se nsors work correctly . <Operating Procedure> (1) Pre ss the [ 3 ] and [ 2 ] keys in this order in the initial stage of the main tenance mode. The machine beep s 1 100 Hz and 400 Hz tones cyclically through t ...

  • Brother DCP-8080DN/8085DN - page 405

    7-18 Confidential (3) Pre ss the [ St op / E xi t ] button. The mach ine beeps for one second and returns to the initial stage of the maintenance mode. ■ Location of sensors Fig. 7-8 Note: • If you have opened and closed the front cover during the above procedure , you need to open and close the front cover again upon completion of th e procedu ...

  • Brother DCP-8080DN/8085DN - page 406

    7-19 Confidential 4.1 1 PC Print Function (Function code 43) <Function> This function allows the machine change that the setting of each PC printing function indicated to the following function settings. <Operating Procedure> (1) Pre ss the [ 4 ] and [ 3 ] keys in this order in the initial stage of the main tenance mode. The “Manual F ...

  • Brother DCP-8080DN/8085DN - page 407

    7-20 Confidential ■ Det ail description AutoFF T ime Switching of the time-out period of the auto feed 1 to 99 (seconds) 5 FF Surpress Switching of the FF Surpress On/Off Off - Auto LF Switching of the auto LF On/Off Off - Auto CR Switching of the auto CR On/Off Off - Auto WRAP Switching of the auto CRLF at the print width On/Of f Off - Auto SKIP ...

  • Brother DCP-8080DN/8085DN - page 408

    7-21 Confidential Auto I/F T ime Config ure the setting fo r the in terface open time. The function is in the PC-Print. When the PC-Scan/Re mote-SetUp works on the way , the setting becomes invalid. Media T ype Effective for the pr int from the PC. When set the type of the recording paper on the PC, the setting becomes effective. And this setting i ...

  • Brother DCP-8080DN/8085DN - page 409

    7-22 Confidential 4.12 Switching the USB Se tting (Function code 45) <Function> If connect with the full-spee d USB (ver .2.0) in the case of Vist a (operation system), as for this function, th e operatio n system d oes not re cognize the serial number of USB device depending on the PC and USB device. When the ope ration system does not recog ...

  • Brother DCP-8080DN/8085DN - page 410

    7-23 Confidential 4.13 Pan-nordic Select Co untry (Function code 52) <Function> This function allows users to c ustomize th e EEPROM settings such as language, function settings or worker switch setting s. <Operating Procedure> (1) Pre ss the [ Menu ], [ Black Start ] and [ Menu ] buttons in this orde r in the ready state. The “0” w ...

  • Brother DCP-8080DN/8085DN - page 411

    7-24 Confidential 4.14 Received Dat a T ransfer Function (Function code 53) ( only model with F AX) <Function> This function transfers received F AX data to another machine. It is useful when the ma chine cannot print received da ta due to the pr inting mech anism being defective. <Operating Procedure> (1) Pre ss the [ 5 ] and [ 3 ] key ...

  • Brother DCP-8080DN/8085DN - page 412

    7-25 Confidential ■ Cover p age sample Fig. 7-9 ■ End p age sample Fig. 7-10 Model code Boot ROM info ROM info Serial number Job number T otal number of page to be transferred Station ID registered in the sender equipment F AX number of the sender equipment T elephone number of the sender equipment T ransfer start date Error codes Job number T ...

  • Brother DCP-8080DN/8085DN - page 413

    7-26 Confidential 4.15 Fine Adjustment of Scan St art/End Positions (Function code 54) <Function> This function allows you to ad just the scanning st art and end positions with the ADF and FB unit. <Operating Procedure> (1) Pre ss the [ 5 ] and [ 4 ] keys in this order in the initial stage of the main tenance mode. The “SCAN ST ART AD ...

  • Brother DCP-8080DN/8085DN - page 414

    7-27 Confidential Fig. 7-12 MAINTENANCE ACCEPTED :ADF : FB SCAN ST ART ADJ. + - + - + - MAINTENANCE MAINTENANCE [5] and [4] buttons select [Stop/Exit] button [Stop/Exit] button [ ] or [ ] button [OK] button [OK] button 1 second later 2 seconds later [ ] button [ ] button ...

  • Brother DCP-8080DN/8085DN - page 415

    7-28 Confidential 4.16 Acquisition of White Level Da t a and CCD Scanner Area Setting (Function code 55) <Function> This function allows the machine to obtain wh ite level dat a for the CCD sc anner and save it together with the CCD scanner area into the EEPROM on the main PCB. <Operating Procedure> (1) Pre ss the [ 5 ] key twice in the ...

  • Brother DCP-8080DN/8085DN - page 416

    7-29 Confidential 4.17 Paper Feeding and Eject ing T est (Function code 67) <Function> This function allows you to check that a shee t of paper is fed an d ejected correctly by printing the grid pattern on a page , whose interval is 1cm. <Operating Procedure> (1) Pre ss the [ 6 ] and [ 7 ] keys in this order in the initial stage of the ...

  • Brother DCP-8080DN/8085DN - page 417

    7-30 Confidential <EEPROM customizing code list> * If you can determine the country where t he customer uses the machine, enter the code outside the brac kets. If not, enter the cod e inside. Destination DCP- 8080DN DCP- 8085DN MFC- 8480DN MFC- 8880DN MFC- 8890DW US 000 1 0101 0201 --- 0401 Canada 0002 0202 --- 0402 Argentina 0036 0136 0236 - ...

  • Brother DCP-8080DN/8085DN - page 418

    7-31 Confidential 4.19 Operational Check of Fa ns (Function code 78) <Function> This function is to check whether each of fans is operating correctly or not. The following fans are checke d. <Operating Procedure> (1) Pre ss the [ 7 ] and [ 8 ] keys in this order in the initial stage of t he maintena nce mode. T he indication will appear ...

  • Brother DCP-8080DN/8085DN - page 419

    7-32 Confidential 4.20 Display of the Machine’ s Log Information (Func tion code 80) <Function> The machine may display it s log information on the LCD. <Operating Procedure> (1) Pre ss the [ 8 ] and [ 0 ] keys in this order in the initial stage of t he maintena nce mode. T he USB serial number appe ars on the LCD. (2) Pre ss the [ St ...

  • Brother DCP-8080DN/8085DN - page 420

    7-33 Confidential * 1 Not indicated. * 2 Some marg in of error must be taken into cons ideration becaus e cov erage f or th e pr intable area of A4-siz e paper is ca lculated using video signals . TTLCOPY : Number o f copies made TTLPCPT: Number of PC prints made TTLF AX: Number of F AX outputs made TR1_PG: Number of pages pick ed up from the T1. T ...

  • Brother DCP-8080DN/8085DN - page 421

    7-34 Confidential 4.21 Error Code Indication (Function code 82) <Function> This function displays an error code of the machine on the LCD. <Operating Procedure> (1) Pre ss the [ 8 ] and [ 2 ] keys in this order in the initial stage of the main tenance mode. The machine displays “MACHINE ERROR X X ” on the LCD. (2) Pre ss the [ St op ...

  • Brother DCP-8080DN/8085DN - page 422

    7-35 Confidential 4.23 Counter Reset Af ter Replacing the Fuser Unit,Laser Unit an d Paper Feed Kit (Function code 88) <Function> The number of replacement is in creased by one, and the warning indication “Replace ***” is cleared, with implementing this operation after rep lacing the fuser unit, laser unit and paper feed Kit (MP , T1, T2) ...

  • Brother DCP-8080DN/8085DN - page 423

    7-36 Confidential 5. OTHER SER VICE FUNCTIONS 5.1 Resetting the Periodical Replacement Part s Life ■ Resetting the Life Counter of the Fuser Unit <Function> This function allows you to reset the p age counter of the fuser unit and increase the number of replacement times by one. <Operating Procedure> (1) Pre ss the [ 3 ] and [ 9 ] key ...

  • Brother DCP-8080DN/8085DN - page 424

    7-37 Confidential ■ Resetting the Life Counter of the Paper Feeding Kit <Function> This function allows you to reset the p age counter of the paper feeding kit (1 or 2) and increase the number of replaceme nt times by one. <Operating Procedure> (1) Pre ss the [ 3 ] and [ 9 ] keys at the same t ime in the ready state. The “Reset Menu ...

  • Brother DCP-8080DN/8085DN - page 425

    7-38 Confidential ■ Resetting the Life Counter of the Laser Unit <Function> This function allows yo u to reset the p age counter of the laser u nit and increase the number of replacement times by one. <Operating Procedure> (1) Pre ss the [ 3 ] and [ 9 ] keys at the same t ime in the ready state. The “Reset Menu” will appear on the ...

  • Brother DCP-8080DN/8085DN - page 426

    7-39 Confidential 5.3 Drum condensation countermeasure mode The printing spot s may occur with the condensation of the surface of the drum in the high humidity environment. When the drum condensation countermeasure mode is set to ON to follow the procedur e described below , you can re medy the co ndensation of the surface of the drum in drying by ...

  • Brother DCP-8080DN/8085DN - page 427

    Confidential CHAPTER 8 CIRCUIT DIAGRAMS, WIRING DIAGRAM ...

  • Brother DCP-8080DN/8085DN - page 428

    Confidential CHAPTER 8 CIRCUIT DIAGRAMS, WIRING DIAGRAM This chapter pr ovides the circu it diagrams of the MJ PCB and power supply PCB and the wiring diagram s that help you unde rstand the connections be tween PCBs. CONTENTS 1. CIRCUIT DIAG RAMS......... ............. ................ ............. ................ ............. ................ ...

  • Brother DCP-8080DN/8085DN - page 429

    8-1 Confidential 1. CIRCUIT DIAGRAMS  High-v oltage P ower Supply PCB Cir cuit Diagram Fig. 8-1 ...

  • Brother DCP-8080DN/8085DN - page 430

    8-2 Confidential ■ L VPS PCB Circuit Dia gram (230V) Fig. 8-2 ...

  • Brother DCP-8080DN/8085DN - page 431

    8-3 Confidential ■ L VPS PCB Circuit Dia gram (115V) Fig. 8-3 ...

  • Brother DCP-8080DN/8085DN - page 432

    8-4 Confidential ■ NCU PCB circuit dia gram Fig. 8-4 + + - + + + - D 6 6 6 6 6 6 6 5 4 3 2 1 6 3 6 2 6 5 1 6 6 6 6 4 C B A C B A D R27 4.7k C16 C470 6.3V +5V REF C4 C103 GND U1 BA10358 6 5 7 GND 6B TELSL @C17 C104 @R21 24k @C14 C471 @R15 150k REF R23 3.3k GND @C15 C104 C7 C104 C5 C2.2 50V @C9 C221 @C10 C471 @R8 510 @R19 2.7k @R17 150k GND R16 100 ...

  • Brother DCP-8080DN/8085DN - page 433

    8-5 Confidential 2. WIRING DIAGRAM Fig. 8-5 Main PCB LAN Parallel Interface CN19 CN9 PH2 CN22-13 -7 -10 +5V -5 -4 -3 -2 -1 GIJI CHRG RDPS PLS SL IGND RL1 RL2/POL TELOFF VCC5 J2 LINE J1 EXT I24V -6 CP -8 L T1_DET1 L T1_PEDG +24V +24V 24VRET +24V ZERO_CROSS VCC24 FB_VCLN L T1_PE +3.3V L T1_SOL 24VRET S0V +3.3V +8V PWM_DEV T1_PE_SEN GRIDC FB_DEV S0V / ...

  • Brother DCP-8080DN/8085DN - page 434

    APPENDIX 1 FIRMW ARE SWITCHES (WSW) This appendix descr ibes the functions of the Firmware switches. Use the Firmwa re switch to match the environmental cond itions if the mach ine malfunctions due to mismatching. Confidential ...

  • Brother DCP-8080DN/8085DN - page 435

    App. 1-1 Confidential FIRMW ARE SWITCHES (WSW) This appendix de scr ibes the functions of t he Worker switches , which can be divided into t wo groups: on e is for customizin g prefer ences designed f or the shipping destination (Ref er to "4.18 EEPROM Cust omizing (Function code 74)" in Chapter 7 ) and the other is f or modifying prefere ...

  • Brother DCP-8080DN/8085DN - page 436

    App. 1-2 Confidential WSW30 Function s etting 8 App . 1-37 WSW31 Function s etting 9 App . 1-38 WSW32 Function s etting 10 App . 1-39 WSW33 Function s etting 11 App . 1-40 WSW34 Function s etting 12 App . 1-41 WSW35 Function s etting 13 App . 1-42 WSW36 Function s etting 14 App . 1-42 WSW37 Function s etting 15 App . 1-44 WSW38 V .34 transmission s ...

  • Brother DCP-8080DN/8085DN - page 437

    App. 1-3 Confidential WSW70 P aper f eeding kit lif e end App . 1-73 WSW71 P aper f eeding kit 2 lif e end App . 1-74 WSW72 P aper f eeding kit MP lif e end App . 1-74 WSW73 Not used App . 1-74 WSW No . F unction Ref er to: ...

  • Brother DCP-8080DN/8085DN - page 438

    App. 1-4 Confidential The functions and se ttings for each w orker s witch (WSW) are described below; <WSW01> • Selector s 1 and 2: Dial pulse generation mode These selectors set the n umber of pulses to be gener ated in pulse dialing. N: Dialing "N" generates "N" pu lses. (Dialing "0" generat es 10 pulses.) N ...

  • Brother DCP-8080DN/8085DN - page 439

    App. 1-5 Confidential • Selectors 5 a nd 6: Int er-digit paus e These selectors set the inter -digit pause in pulse dialing. (Example: If "1," "2," and "3 " are dialed when N is set by selectors 1 and 2.) • Selector 7: Switching between pulse an d t one dialing, by the function switch This selector determines wheth ...

  • Brother DCP-8080DN/8085DN - page 440

    App. 1-6 Confidential <WSW02> • Selector s 1 through 4:T one signal transmission time length and Min. pause in tone dialing These selectors set the t one signal transmissi on tim e length and minimum pause in tone dialing. (Example: If "1," "2," "3," "4," and "5" are dialed.) • Selector s ...

  • Brother DCP-8080DN/8085DN - page 441

    App. 1-7 Confidential <WSW03> * P ABX: Pr ivate automatic branch e xchange • Selectors 1 and 5: CN G detection when sharing a m odular wall socke t with a telephone These selectors dete r mine whether or not the machine detects a CNG signal when a line is connected t o a telephone sharing a modu lar wall soc ket with the machine . Upon dete ...

  • Brother DCP-8080DN/8085DN - page 442

    App. 1-8 Confidential • Selectors 6 and 7: Di al tone detection in P ABX* These selectors activ ate or deactiva te the dial tone detection funct ion which detects a dial tone when a line is connected to the P ABX. Setting both of these sele ctors to "1" activat es the dial tone detection fun ction so that the machine starts dialing upon ...

  • Brother DCP-8080DN/8085DN - page 443

    App. 1-9 Confidential <WSW04> • Selector s 6 and 8: Break time length f or flash function These selectors set the br eak time length. This setting is ef fectiv e only when the flash function is sele cted f or the [ Sear ch/Speed Di al ] button by using the function s witch. Selector No . Function Setting and Specifications 1 Ear th function ...

  • Brother DCP-8080DN/8085DN - page 444

    App. 1-10 Confidential <WSW05> • Selector s 1 through 3: 1st dial tone det ection These selectors activ ate or deactiv ate the 1st dial tone detection function which detect s the 1st dial tone issu ed from the PSTN when a line is connected to the PSTN. Setting all of thes e selectors to "1" activ ates the dial tone detectio n func ...

  • Brother DCP-8080DN/8085DN - page 445

    App. 1-11 Confidential • Selector s 5 and 6: Busy tone detection in automatic se nding mode These selecto rs deter mine whet her or not the machin e automatic ally disconnects a line upon detection of a b usy tone in automatic se nding mode. Setting selector 6 t o "0" ignores a busy tone so that the machine does not disconnect the line. ...

  • Brother DCP-8080DN/8085DN - page 446

    App. 1-12 Confidential • Selector s 1 throug h 3: [Redial/Pa use] button sett ing and 2nd dial tone detectio n • Selector s 4 through 6: Detec tion of 2nd dial tone Upon detection of the 2nd dial tone f or the time length specified b y these selectors , the machine starts dialing. This setting is eff ectiv e only when the 2nd dial tone detectio ...

  • Brother DCP-8080DN/8085DN - page 447

    App. 1-13 Confidential <WSW07> • Selectors 1 an d 2: Dial tone freq uency band control These selectors se t the frequency band f or the 1st dial tone and b u sy tone (bef ore dialing) to be detected. This set ting is effe ctive only whe n selectors 1 through 3 on WSW05 are set to "1,1,1." • Selector s 4 through 6: 2 nd dial tone ...

  • Brother DCP-8080DN/8085DN - page 448

    App. 1-14 Confidential <WSW08> • Selector s 1 through 3: 1st dial to ne detection time length Upon detection of the 1st dial tone f or the time length set b y these selectors , the machine star ts dialing. This setting is ef fectiv e only when selectors 1 through 3 on WSW05 are set to "1,1,1." • Selector s 4 and 5: Time-out leng ...

  • Brother DCP-8080DN/8085DN - page 449

    App. 1-15 Confidential <WSW09> • Selector 1: Frame length selection Usually a single fr ame consists of 256 octets (1 octet = 8 bits). F or communications lines with higher bit error rate, ho we ver , set selector 1 to "1" so that the machine can divide a message into 64 -octet frames. Remarks : The error correct ion mode (ECM) is ...

  • Brother DCP-8080DN/8085DN - page 450

    App. 1-16 Confidential <WSW10> • Selector 2: Time length from transmission of the last dial dig it to CML ON This selector sets the time length from whe n the machine transmits th e last dial digit until the CML rela y comes on. • Selector 3: Time lengt h from CML ON to CNG transm ission This selector sets the time length until the ma chi ...

  • Brother DCP-8080DN/8085DN - page 451

    App. 1-17 Confidential <WSW11> • Selector s 1 and 2: Busy tone frequenc y band control These selectors set the f requency band for busy tone to be detected . • Selector s 3 through 8: ON/OFF time le ngth ranges for b usy tone These selectors set the ON an d OFF time length ranges f or busy tone to be detect ed. If more than one selector i ...

  • Brother DCP-8080DN/8085DN - page 452

    App. 1-18 Confidential <WSW12> * 1000 ms in Chinese models. • Selector s 1 thr ough 4: Min. detection period required f or interpreting inc oming calling signal (CI) as O FF Max. detection period for incomi ng ca lling signal (CI) being OFF If the mach ine detects the OFF st ate of a CI signal f or the period greate r than the v alue set by ...

  • Brother DCP-8080DN/8085DN - page 453

    App. 1-19 Confidential <WSW13> • Selector s 1 and 2: Cable equa lizer These selectors are used to improv e the pass-band char acteristics of analogue signals on a line . Attenuation in the high- band frequency is greater t han in the low-band frequ ency . Set these selecto rs according to the distance from t he telephone s witchboard to the ...

  • Brother DCP-8080DN/8085DN - page 454

    App. 1-20 Confidential <WSW14> • Selector s 1 through 4: Freque ncy band selection f or incoming calling signal (CI) These selectors are used t o select the frequency band of CI f or activating the A UT O ANS f acility . In the F rench models, if the user sets the PBX to OFF from the control panel, the setting made by selectors 1 and 2 will ...

  • Brother DCP-8080DN/8085DN - page 455

    App. 1-21 Confidential <WSW15> • Selector s 1 through 6: Redial interv al and No. of redialings The machine redials b y the number of times set b y selectors 3 through 6 at interva ls set by selectors 1 and 2. • Selector 8: CRP optio n If a command error occurs in the machine (calling s tation), the machine usually waits f or three second ...

  • Brother DCP-8080DN/8085DN - page 456

    App. 1-22 Confidential <WSW16> • Selector 2: ITU-T (CC ITT ) superfine recommendation If this selecto r is set to "1," t he machine communicates in ITU-T (CCITT) re commende d superfine mode (15. 4 lines/mm). If it is set to "0," it communicate s in native super fine mode. • Selector 7: Max. document length limitation ...

  • Brother DCP-8080DN/8085DN - page 457

    App. 1-23 Confidential <WSW17> • Selector 5: Calendar cloc k type If this selector is set to "0" ( USA), the MM/DD/ YY hh:mm format a pplies; if it is s et to "1" (Europe), the DD/M M/YY hh:mm format applies: DD is the da y , MM is the month, YY is the last two digi ts of the year , hh is the hour , and mm is the minu te ...

  • Brother DCP-8080DN/8085DN - page 458

    App. 1-24 Confidential <WSW18> • Selector 1: Addition of registration of station ID for PC-F AX The sending state is as f ollows whether add th e station ID in the PC side or not. The data do not add t he station ID in the PC side. ⇒ F ollow the Selector 1 in WSW 18, add th e station ID or not. The data add th e station ID in the PC side. ...

  • Brother DCP-8080DN/8085DN - page 459

    App. 1-25 Confidential <WSW19> • Selector s 1 through 6: Fir st and last choices of transmis sion speed for fallbac k These selectors are used t o set the MODEM speed range . With the first transmission speed choice specifi ed by selectors 1 through 3 , the machine attempts to estab lish the transmission link v ia the MODEM . If the es tabl ...

  • Brother DCP-8080DN/8085DN - page 460

    App. 1-26 Confidential <WSW20> * EP: Echo protection • Selector 1: EP t one prefix Setting this select or to "1" makes th e machine transmit a 1700 Hz echo protect ion (EP) tone immediate ly preceding tra ining in V .29 modulati on system to pre ve nt omission of training signals. Prefixing an EP tone is use ful when the machine f ...

  • Brother DCP-8080DN/8085DN - page 461

    App. 1-27 Confidential <WSW21> Selector No . Function Setting and Specifications 1 I 5 Max. waiting time f or voice signal (Not used.) N o . 12345 00000 : N o d e t e c t i o n 00001 : 1 s e c . 00010 : 2 s e c . 00011 : 3 s e c . | 00110 : 6 s e c . ( D e f a u l t ) | 11111 : 3 1 s e c . 6 7 T aping the call (Not used. ) No . 6 7 0 0: Enabl ...

  • Brother DCP-8080DN/8085DN - page 462

    App. 1-28 Confidential <WSW22> * ECM: Error correc tion mode Selector No . Function Setting and Specifications 1 ECM* in sending 0 : V alid 1: Inv alid 2 ECM* in receiving 0: V alid 1: Invalid 3 Call W aiting Caller ID (Not used .) 0: Displa yed 1: Not display ed 4 Not used. 5 I 8 Acceptab le TCF bit error rate (%) (Only at 4 800 bps) (Not us ...

  • Brother DCP-8080DN/8085DN - page 463

    App. 1-29 Confidential <WSW23> • Selector 1: Star ting point of t raining chec k (TCF) At the traini ng phase of receiving oper ation, the called station det ects for 1.0 second a training chec k (TCF) command, a series of ze ros which is sent from the calling s tation f or 1.5 seconds to verify training and giv e the fi rst indication of t ...

  • Brother DCP-8080DN/8085DN - page 464

    App. 1-30 Confidential <WSW24> • Selector s 3 and 4: Time length from CML ON to start of pseudo ring bac ktone transmission These selectors set the len gth of time from CML-ON up to the star t of pseudo ring backtone transmission. In models with OGM fa cilities, th e settings made b y these selectors also apply to the length of time from CM ...

  • Brother DCP-8080DN/8085DN - page 465

    App. 1-31 Confidential <WSW25> • Selector s 1 and 2: External T AD no-tone detection start dela y time V a lid only for the e xter nal T AD mode. This ma chine will delay the star t of detection for no tone b y the length of time set b y selectors 1 and 2. The sum of the dete ction delay time setting and the wait ing time f or no-tone detec ...

  • Brother DCP-8080DN/8085DN - page 466

    App. 1-32 Confidential <WSW26> • Selector 3: Dia ling during document read ing into the tempor ary memor y in in- memory mes sage transmis sion If this selecto r is set to "0," t he machine waits f or doc ument readin g into the me mor y to complete and then st ar ts dialing. This enables the machine to list t he total number of p ...

  • Brother DCP-8080DN/8085DN - page 467

    App. 1-33 Confidential • Selector s 6 and 7: No. of CNG cyc les to be detected (when the li ne is connected via the external tele phone in the external T AD mode, via the built-in telephone in the T AD mode , or via the machine in the automat ic receptio n of th e F/T m ode) The machine interprets a CNG as an eff ective signa l if it detects the ...

  • Brother DCP-8080DN/8085DN - page 468

    App. 1-34 Confidential <WSW27> • Selector 2: Ringer OFF sett ing This selector determines whether or not the r inger can be set to OFF . • Selectors 4: Detect ion of distin ctive ring If this selecto r is set to "1," t he machine detects only t he number of r ings; if it is set to " 0," the machine dete cts the number ...

  • Brother DCP-8080DN/8085DN - page 469

    App. 1-35 Confidential <WSW28> • Selector s 1 through 6: T ransmission level of DTMF high-/lo w-band frequency signal These selectors are intended f or the man ufactur er who tests the mach ine for the Standard. Ne ver access them. Selector No . Function Setting and Specifications 1 I 3 T ransmission le vel of DTMF high-band frequency signa ...

  • Brother DCP-8080DN/8085DN - page 470

    App. 1-36 Confidential <WSW29> • Selector 8: Prompt beep for activity report This selector determines whether or not to beep if the memory area f or the activity rep or t becomes full, f or prompting you to print out the repor t. (Pr inting it out will clear the memory area.) Selector No . Function Setting and Specifications 1 I 3 Compressi ...

  • Brother DCP-8080DN/8085DN - page 471

    App. 1-37 Confidential <WSW30> Selector No . Function Setting and Specifications 1 I 3 Dial tone/b usy tone detection le vel during recording of ICM (Not used .) No . 1 2 3 0 0 0: -38.0 dBm (A) 0 0 1: -39.5 dBm (B) 0 1 0: -41.0 dBm (C) 0 1 1: -42.5 dBm (D) 1 0 0: -44.0 dBm (E) 1 0 1: -45.5 dBm (F) 1 1 0: -47.0 dBm (G) 1 1 1: -48.5 dBm (H) 4 I ...

  • Brother DCP-8080DN/8085DN - page 472

    App. 1-38 Confidential <WSW31> • Selector 2: Default reduc tio n rate for failure of automa tic reduction during recording This selector sets t he default reduction rate to be applied if the automatic red uction function f ails to record one-page data sent from the calling station in a single page of the current recording paper . If it is s ...

  • Brother DCP-8080DN/8085DN - page 473

    App. 1-39 Confidential <WSW32> • Selectors 5 an d 6: Defau lt resoluti on These selectors set the de fault resolut ion which applies when the machine is turned on or completes a tr ansaction. • Selector s 7 and 8: Default contr ast These selectors set the de fault cont rast which applies when the machine is turned on or completes a tr ans ...

  • Brother DCP-8080DN/8085DN - page 474

    App. 1-40 Confidential <WSW33> Selector No . Function Setting and Specifications 1 I 3 Detection threshold le v el of "no tone" dur ing r ecording of IC M (Not used .) No . 1 2 3 0 0 0: -48 dBm (A) 0 0 1: -50 dBm (B) 0 1 0: -52 dBm (C) 0 1 1: -54 dBm (D) 1 0 0: -56 dBm (E) 1 0 1: -58 dBm (F) 1 1 0: -60 dBm (G) (Def ault) 1 1 1: -62 ...

  • Brother DCP-8080DN/8085DN - page 475

    App. 1-41 Confidential <WSW34> Selector No . Function Setting and Specifications 1 I 3 Erasing time leng th of ICM t one recorded precedin g the tone detection s tar ting point in the case of automatic line disconnection due to no v oice signal receiv ed (Not used .) No . 1 2 3 0 0 0: 0 sec. 0 0 1: 1 sec. 0 1 0: 2 sec. 0 1 1: 3 sec. 1 0 0: 4 ...

  • Brother DCP-8080DN/8085DN - page 476

    App. 1-42 Confidential <WSW35> <WSW36> *ECP (Enhanced Capabilities P or t) Selector No . Function Setting and Specifications 1 I 4 Max. detect ion period of dial tone/busy tone du ring record ing of ICM (Not used .) No . 1 2 3 4 0 0 0 0: No detection 0001 : 1 s e c . 0010 : 2 s e c . 0100 : 4 s e c . | 1111 : 1 5 s e c . 5 I 8 Not used. ...

  • Brother DCP-8080DN/8085DN - page 477

    App. 1-43 Confidential • Selector 1: ECP m ode The ECP mode e nhances the normal bidirectional comm unications between the machine and the connec ted PC for higher transmission speed throgh the parallel interface. • Selector 2: Recovery fr om Inactive PC Interface If the machine reco gnizes via the STB signal line that the connected PC is power ...

  • Brother DCP-8080DN/8085DN - page 478

    App. 1-44 Confidential <WSW37> • Selector 1: Printout of the stored image data of an unsent document onto an error report This selector determines whether or not to print out the 1st-page image data of a document onto the e rror repor t if the document image data stored in the temporary memor y cannot be transmitted normally . • Selector ...

  • Brother DCP-8080DN/8085DN - page 479

    App. 1-45 Confidential <WSW38> • Selectors 1 an d 2: Settin g of the equaliz er These selectors set the eq ualizer's tra ining lev el to be applied if the machine f ails to send training due to weak line connection. If t hese selectors are set to "0, X," the modem will automatica lly set the appropriate training le vel. • S ...

  • Brother DCP-8080DN/8085DN - page 480

    App. 1-46 Confidential <WSW39> • Selector s 1 through 8: Fir st and last choices of transmis sion speed for fallbac k These selectors are use d to set the modem s peed range . With the first transmission speed choice specified b y selectors 1 through 4, the machine attempts to establish the transmission lin k via the modem. If the estab lis ...

  • Brother DCP-8080DN/8085DN - page 481

    App. 1-47 Confidential <WSW40> • Selecto rs 3 thr ough 8: Masking of symbol rate(s) These selectors allo w you to limit t he transmission speed r ange in V .34 mode by ma sking the desired symbol r ate(s). T ransmission speed s assigned to the symbol rates ar e listed on the ne xt page. The setting made by these selec tors will limit th e s ...

  • Brother DCP-8080DN/8085DN - page 482

    App. 1-48 Confidential Symbol rate T ransmission speed (bps) Symbol rate T ransmissi on speed (bps) Symbol rate T ransmission speed (bps) 2400 2,400 4,800 7,200 9,600 12,000 14,400 16,800 19,200 21,600 3000 4,800 7,200 9,600 12,000 14,400 16,800 19,200 21,600 24,000 26,400 28,800 3429 4,800 7,200 9,600 12,000 14,400 16,800 19,200 21,600 24,000 28,8 ...

  • Brother DCP-8080DN/8085DN - page 483

    App. 1-49 Confidential <WSW41> • Selector s 1 through 3: ON-duration of the scanning light sour ce at room temperature If the scanning operation is star ted w hen the sca nning light source is off , then it will come on f or scanning. These selecto rs deter mine how lo ng the light source is ON aft er scanning. If these selector s are set t ...

  • Brother DCP-8080DN/8085DN - page 484

    App. 1-50 Confidential <WSW42> <WSW43> • Selector 1 : Header for sen t mail (S tation ID ) This selector set whether add the header (Station ID) to the ima ge data of the reading sent mail. (only with LAN model) • Selector 8: JPEG coding Setting this selector t o "0" disables the m achine from sending/receiving JPEG color ...

  • Brother DCP-8080DN/8085DN - page 485

    App. 1-51 Confidential <WSW44> • Selector s 6 throug h 8: Effectiv e time length of the white le vel compensation data obtained bef orehand These selectors determine ho w long compensation data ob tained beforehand will k eep effe ctive. Selector No . Function Setting and Specifications 1 I 5 Cop ying speed control N o . 12345 00000 : M a x ...

  • Brother DCP-8080DN/8085DN - page 486

    App. 1-52 Confidential <WSW45> • Selector s 1 throug h 3: Dela y time from when documents are set until the ADF starts drawing them in These selectors deter mine how long the ADF will dela y automatic drawing-in of documents (to the scanning sta ndby position) afte r you set them in th e ADF , as well as de ter mining whether or not the ADF ...

  • Brother DCP-8080DN/8085DN - page 487

    App. 1-53 Confidential • Selector 7: Standby position of the CCD unit This selector determines whether the stand by position of the CCD unit should be the home position or the location of th e white-lev el reference film (attached to the ins ide of the scanner top cov er). If the loca tion of the reference film is selected, the CCD unit will not ...

  • Brother DCP-8080DN/8085DN - page 488

    App. 1-54 Confidential <WSW47> • Selectors 3 an d 4: Delay of F AX lin e discon nection w hen switching to the pse udo- ringing external telephone When the machine receives a phon e call, it can make the connected e xter nal telephone ring (so called pseudo-ringing). During pseudo-ringing, if y ou pick up the h andset of the e xter nal tele ...

  • Brother DCP-8080DN/8085DN - page 489

    App. 1-55 Confidential <WSW48> Selector No . Function Setting and Specifications 1 2 Not used. 3 I 5 Number of ne twork T W AIN PCs registered f or each application No . 3 4 5 0 0 0: 25 PCs 0 0 1: 50 PCs 0 1 0: 75 PCs 0 1 1: 100 PCs 1 0 0: 125 PCs 1 0 1: 150 PCs 1 1 0: 175 PCs 1 1 1: 200 PCs 6 I 8 USB setup latency (Not used.) No . 6 7 8 0 0 ...

  • Brother DCP-8080DN/8085DN - page 490

    App. 1-56 Confidential <WSW49> • Selector s 4 and 5: Command flag detect ion time After receiving a command flag, the machine will wait for the command that should f ollow f or the time length specified by these selectors. Selector No . Function Setting and Specifications 1 2 RAM disc size in PCL/ PS No . 1 2 00 : N o n e 01 : 1 M B 10 : 2 ...

  • Brother DCP-8080DN/8085DN - page 491

    App. 1-57 Confidential <WSW50> Selector No . Function Setting and Specifications 1 2 P ercentage v oltage f or interpreting the e xternal telephone as being h ooked up (based on the netw or k's standard voltage) (Not used .) No . 1 2 0 0 : 50 % 0 1 : 80 % 1 0 : 30 % 1 1 : No detection 3 DC mask cur ve table to be applied when the line is ...

  • Brother DCP-8080DN/8085DN - page 492

    App. 1-58 Confidential <WSW51> Selector No . Function Setting and Specifications 1 Output of co mmunications error repor t when transmission v er ification report is disabled 0: Enab le 1: Disable 2 CR motor torq ue variation reduction control (Not used. ) 0: Y es 1: No 3 4 Cordless handset micropho ne vo l um e (Not used .) No . 3 4 0 0: Mid ...

  • Brother DCP-8080DN/8085DN - page 493

    App. 1-59 Confidential <WSW52> Selector No . Function Setting and Specifications 1 I 3 Cordless handset micropho ne le vel and echo cancellat ion ON/ OFF (Not used .) No . 1 2 3 0 0 0: Microphone le vel 0 with echo c ancellation O FF 0 0 1: Microphone le vel 1 with echo c ancellation O N 0 1 0: Microphone le vel 2 with echo c ancellation O N ...

  • Brother DCP-8080DN/8085DN - page 494

    App. 1-60 Confidential <WSW53> Selector No . Function Setting and Specifications 1 2 Not used. 3 4 Caller ID (number displa y) FSK receiving timing de la y settin g (Not used .) No . 3 4 00 : 0 m s 0 1: 100 ms 1 0: 150 ms 1 1: 200 ms 5 6 Caller ID (number displa y) instantaneous inter r upt detection ti me setting (Not used .) No . 5 6 0 0 : ...

  • Brother DCP-8080DN/8085DN - page 495

    App. 1-61 Confidential <WSW54> • Selector 3: More CNG detection c ycles in user -friendly rece ption If CNG detection f ails e ven after adjust ment of selectors 4 and 5 on WSW26, tr y adding 2 more cycles to the permitted number of CNG detect ion cycles. • Selector s 5 and 6: Caller ID tone al er t detection time lengt h In the e vent of ...

  • Brother DCP-8080DN/8085DN - page 496

    App. 1-62 Confidential <WSW55> The setting e xample of the selector number is as f ollows; No .1 2 3 4 5 6 7 8 0 0 0 0 0 0 0 0 : The de velopin g bias voltag e correction is perf or med on each print job . 0 0 0 1 1 0 0 0 : The dev eloping bias volt age correction is perf or med when a print job occurs a fter 24 ho urs (default value) or late ...

  • Brother DCP-8080DN/8085DN - page 497

    App. 1-63 Confidential <WSW56> • Selector 3: "Last Job Reprint" function setting Setting this sele ctor to "0" makes th e machine not to reprint the "Last Job Print" data such as confident ial documen t in order to prev ent the misu se. • Selector 4: Wire less LAN fun ction T o disable the wireles s LAN (WL A ...

  • Brother DCP-8080DN/8085DN - page 498

    App. 1-64 Confidential <WSW57> Selector No . Function Setting and Specifications 1 I 3 Caller ID judgment voltage (to be distingu ished from rings) (Not used .) No . 1 2 3 0 0 0: 0 V 0 0 1: 5 V (Default) 0 1 0: 10 V 0 1 1: 15 V 1 0 0: 20 V 1 0 1: 25 V 1 1 0: 30 V 111 : M a x . 4 I 6 Caller ID judgment voltage (to be distinguished from re vers ...

  • Brother DCP-8080DN/8085DN - page 499

    App. 1-65 Confidential <WSW58> Selector No . Function Setting and Specifications 1 I 3 Pre ventio n of line interrupt during ICM recording ( ratio of guard tone respo nse time to call end tone O N time) (Not used .) No . 1 2 3 0 0 0: Inv alid 0 0 1: 10 % 0 1 0: 20 % 0 1 1: 30 % (D efault) 1 0 0: 40 % 1 0 1: 50 % 1 1 0: 60 % 1 1 1: 70 % 4 5 No ...

  • Brother DCP-8080DN/8085DN - page 500

    App. 1-66 Confidential <WSW59> • Selector 1: Frame length selection This is intended to pre vent the prob lem of a continued incr ease in USB por ts when serial numbers are transmi tted from the MFC to a W indows Vista-base d PC. It is intended only to pre vent a pr oblem specific to Windo ws Vista; its def ault setting is "0: USB SN e ...

  • Brother DCP-8080DN/8085DN - page 501

    App. 1-67 Confidential • Selector 3 through 7: Checking of the spec ified charact er code se t when di splaying or printing t he folder/ file names stored in me mor y car ds or USB flash memory dri ves Setting these se lectors to "0, 0, 0, 0, 0" does not chec k any character code set. When f older/ file names stored in memor y cards or ...

  • Brother DCP-8080DN/8085DN - page 502

    App. 1-68 Confidential <WSW61> • Selector s 1 thr ough 8: Change rate of the CCD scan ning light intensity to judge to be stable. The light intensity of the CCD unit is changed widely immediately after the light source is on, that influen ces scanning density . Theref ore, the first scanning after the light source is off and on is star ted ...

  • Brother DCP-8080DN/8085DN - page 503

    App. 1-69 Confidential <WSW62> • Selector s 1 through 4:Cha nge rate of the CCD light intensity f or scanning pages compensation The light intensity of the CCD unit ma y be chang ed (decreas ed, especia lly), and difference of density ma y appear among the scanning pages if contin uous copyin g or scanning is implemented fr om the ADF for a ...

  • Brother DCP-8080DN/8085DN - page 504

    App. 1-70 Confidential • Selector s 5 and 6 / 7 and 8:Selection of judging function f or scanning pages compensation These selectors set the cond ition to control scanning pages compensat ion. Some operation losses occur in the control of the compensatio n. If you wa nt to star t scanning immediately e ven if the ima ge quality is not good, set t ...

  • Brother DCP-8080DN/8085DN - page 505

    App. 1-71 Confidential <WSW64> • Selector s 1 through 6: Setting the language Set the language displa yed in the LCD . <WSW65> Selector No . Function Setting and Specifications 1 I 6 Setting the language N o . 123456 000000 : E n g l i s h 000001 : F r e n c h 000010 : G e r m a n 000011 : D u t c h 000100 : S p a n i s h 000101 : I t ...

  • Brother DCP-8080DN/8085DN - page 506

    App. 1-72 Confidential <WSW66> (page) • Selector s 1 through 8: K drum lif e end (Lif e valu e - 5000) ÷ 500 = Set valu e Enter the v alue of each selecto r in binar y number , and then plug it into the set v alue of the abov e formula and calcul ate the lif e value . F or e xample, when set th e life v alue to 15000 pages , enter the “0 ...

  • Brother DCP-8080DN/8085DN - page 507

    App. 1-73 Confidential <WSW69> (page) • Selector s 1 through 8: Scanne r unit life end Life value ÷ 500 = Set value Enter the v alue of each selecto r in binar y number , and then plug it into the set v alue of the abov e formula and calcul ate the lif e value . F or e xample, when set th e life v alue to 15000 pages , enter the “000 101 ...

  • Brother DCP-8080DN/8085DN - page 508

    App. 1-74 Confidential <WSW71> (page) • Selector s 1 throug h 8: Paper f eeding kit 2 life en d Life value ÷ 500 = Set value Enter the v alue of each selecto r in binar y number , and then plug it into the set v alue of the abov e formula and calcul ate the lif e value . F or e xample, when set th e life v alue to 15000 pages , enter the ? ...

  • Brother DCP-8080DN/8085DN - page 509

    APPENDIX 2 DELETION OF USER SETTING INFORMA TION, etc. This appendix describes how to dele te of user setting information, etc. Confidential ...

  • Brother DCP-8080DN/8085DN - page 510

    App. 2-1 Confidential DELETION OF USER SETTING INFORMA TION, etc. User setting such as wired and wireless network settings in the machine is recorded in the EEPROM and the Flash memory on the Main PCB. Follow the procedure described below to delete this informatio n with a sin gle oper ation. - Y our name and telephone number - T e lephone director ...

  • Brother DCP-8080DN/8085DN - page 511

    APPENDIX 3 SERIAL NUMBERING SYSTEM This appendix descri bes the meaning of the serial number and property codes and the location of each label. Confidential ...

  • Brother DCP-8080DN/8085DN - page 512

    App. 3-1 Confidential SERIAL NUMBERING SYSTEM Each machine has a serial number label for the machine itself and property labels for some other parts. Refer to the in formation b elow for the meaning of the serial number and pr operty codes and the location of each label. ■ Serial number labels for the machine it self <How to Read> Fig. Ref. ...

  • Brother DCP-8080DN/8085DN - page 513

    APPENDIX 4 SCREW CA T ALOGUE This appendix describes th e used all screws in this machine by actual size. Use this appendix when lose the screw type. Confidential ...

  • Brother DCP-8080DN/8085DN - page 514

    App. 4-1 Confidential SCREW CA T ALOGUE T aptite bind B T aptite bind B M4x12 T aptite bind B M3x10 T aptite bind B M3x8 T aptite cup B T aptite cup B M3x12 T aptite cup B M3x8 T aptite cup B M2x6 Screw Screw M2x6 T aptite pan (washer) T aptite pan (washer) B M3x8 T aptite pan (washer) B M4x20 T aptite cup B M4x10 T aptite cup B M4x12 T aptite cup ...

  • Brother DCP-8080DN/8085DN - page 515

    APPENDIX 5 REFERENCES This page pr ovides the retrieve info rmation. It is possible to get the instruction of the subject by just clicking on the link next page. Confidential ...

  • Brother DCP-8080DN/8085DN - page 516

    App. 5-1 Confidential REFERENCES This page provides re ference information. It is possible to get the full instructions of the subjects listed by just clicking on the links below . 1. Error c o des (Refer to "3. ERROR CODES" in Chapter 3 .) 2. Error m essage (Refer to "2. DISTINGUISH ERROR CAUSE" in Chapter 3 .) 3. Diamet e r o ...

  • Brother DCP-8080DN/8085DN - page 517

    APPENDIX 6 GLOSSAR Y This appendix descri bes the manual specific acronyms and technical terms are used in addition to the generally used ones. The next page cont ains typi cal acronyms and technical terms that are used throughout these manuals. Confidential ...

  • Brother DCP-8080DN/8085DN - page 518

    App. 6-1 Confidential GLOSSAR Y  ACRONYMS AND TECHNICAL TERMS In this manual and the Service Manual, the m anu al specific acronyms and technical terms are used in addition to the generally used ones. The t able below contains typical acronyms and technical terms that are used throug hout these manuals. APIP A Automatic Private IP Addressing ASI ...

  • Brother DCP-8080DN/8085DN - page 519

    App. 6-2 Confidential * Excluding the acronym shown on the wiring diagram or circuit diagram. SOL Solenoid SP S pare Parts SX Simplex T1 T ray 1 TE T oner Empty THM Thermal TN T oner TR T ransfer ...

Fabbricante Brother Categoria Fax Machine

I documenti che otteniamo dal fabbricante del dispositivoBrother DCP-8080DN/8085DN possono essere suddivisi in diversi gruppi. Questi sono tra gli altri:
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Tutti sono importanti, ma le informazioni più importanti dal punto di vista di utilizzo del dispositivo possono essere trovate nel manuale per l’uso Brother DCP-8080DN/8085DN.

Un gruppo di documenti denominato manuali per l’uso, è anche suddiviso in tipi più specifici, come: Manuali di installazione Brother DCP-8080DN/8085DN, manuali di manutenzione, brevi manuali o manuali utente Brother DCP-8080DN/8085DN. A seconda delle esigenze, si dovrebbe cercare il documento necessario. Nel nostro sito web, puoi visualizzare il manuale più popolare per l'uso del prodotto Brother DCP-8080DN/8085DN.

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Manuale completo del dispositivo Brother DCP-8080DN/8085DN, come deve essere?
Il manuale per l’uso, denominato anche istruzioni per l’uso, o semplicemente il manuale è un documento tecnico progettato per aiutare ad utilizzare Brother DCP-8080DN/8085DN dagli utenti. I manuali sono di solito scritti da uno scrittore tecnico, ma in un linguaggio accessibile a tutti gli utenti Brother DCP-8080DN/8085DN.

Il manuale per l’uso completo Brother, dovrebbe includere vari elementi di base. Alcuni di loro sono meno importanti, come ad esempio: copertina / pagina del titolo o pagina di autore. Tuttavia, la parte rimanente, dovrebbe fornire informazioni importanti dal punto di vista dell'utente.

1. Introduzione e la guida su come utilizzare il manuale Brother DCP-8080DN/8085DN - All'inizio di ogni manuale, dovremmo trovare indizi su come utilizzare il documento. Dovrebbe contenere informazioni sulla posizione dell’indice Brother DCP-8080DN/8085DN, FAQ o i problemi più comuni : i punti che sono più spesso cercati dagli utenti di ogni manuale
2. Indice - elenco di tutti i suggerimenti per Brother DCP-8080DN/8085DN che possono essere trovati nel documento corrente
3. Suggerimenti su come utilizzare le funzioni di base del dispositivo Brother DCP-8080DN/8085DN - che ci dovrebbe aiutare nei primi passi durante l'uso Brother DCP-8080DN/8085DN
4. Troubleshooting - sequenza sistematica delle attività che vi aiuterà a diagnosticare e, successivamente, risolvere i problemi più importanti del Brother DCP-8080DN/8085DN
5. FAQ - domande più frequenti
6. Dettagli di contatto Informazioni su dove cercare il contatto con il fabbricante / servizio Brother DCP-8080DN/8085DN in un dato paese, se il problema non può essere risolto da noi stessi.

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