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Canon ir4570 - page 1
Oct 8 2004 Service Manual iR4570/3570, 2870/2270 Series fineline6 service-repairmanual.com ...
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Canon ir4570 - page 2
fineline6 service-repairmanual.com ...
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Canon ir4570 - page 3
Application This manual has been issued by Canon Inc. for qualified pe rsons to learn technical theory, installation, maintenance, and repair of products. This manual covers all localities where the products ar e sold. For this reason, ther e may be information in this manual that does not apply to your locality. Corrections This manual may contain ...
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Canon ir4570 - page 4
Introducti on Symbols Used This do cumentation uses the following symbol s to indicat e special information: Symbol Description Indi cates an item of a non-spec ific nature, possibly classified as Note, Caution, or Warning. Indicates an item re quiring care to avoi d electric shocks. Indicates an item re quiring care to avoi d combustion (fire). In ...
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Canon ir4570 - page 5
Introduction The following rules apply throughout this Service Manu al: 1. Each chapter contains sections ex plaining the purpose of specific functions and the relationship between electrical and mechanical systems with refe rence to the timing of operation. In the diagrams, represents the path of mechanical drive; where a si gnal name accompanies ...
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Canon ir4570 - page 6
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Canon ir4570 - page 7
Contents Contents Chapter 1 Introduction 1.1 System Construction...... ........ .............. ................. .............. .............. .............. .............. ... .............. .............. ...... 1- 1 1.1.1Overview of the Syst em wi th a Delivery Accessory ............. .............. .............. ... .............. ............ ...
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Canon ir4570 - page 8
Contents 1.2.7.1 Printing Speed .... .............. .............. .............. ................. .............. .............. .............. ... .............. .......... 1- 46 1.2.7.2 Printing Speed .................. .............. ... .............. .............. .............. ... .............. ........... ... ... .............. ... .... ...
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Canon ir4570 - page 9
Contents 4.1 Construction ...... .............. .............. ................. .............. ............... .............. .............. ... .............. ................. ........ 4- 1 4.1.1Construction and Mechanisms ....................... .............. ................. .............. .............. ............. . .............. ...... ...
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Canon ir4570 - page 10
Content s 5.2.3Basic Sequence of Operation in Re sponse to a Press on the Start Key ( ADF mode; 1 original ) ............... 5- 8 5.3 Various Control ............... .............. .............. .............. .............. ................. .............. ...... ........... ... ................. .... 5- 10 5.3.1 Controlling the Scanner Drive Sys ...
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Canon ir4570 - page 11
Contents 5.4.6.1 Removing the Copyboard Glass ..... ................ ............... .............. ................. .............. .......... .... ... ...... 5- 37 5.4.6.2 Removing the ADF Reading Glass ...................... .............. .............. ... .............. .............. ... ..... ...... .... 5- 38 5.4.6.3 Removing the Contract ...
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Canon ir4570 - page 12
Contents 7.3.4Seq uen ce of Oper ation (copying) .................. .............. ............... ................. .............. ............. . .............. ...... 7- 8 7.3.5Sequen ce of Oper ation (last rotation) ........................ .............. .............. .............. ................. .. ............ ......... 7- 8 7.3.6Sequen ...
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Canon ir4570 - page 13
Contents 7.12.2.1 Removing the Front Cover Unit ..... ................. .............. ................. .............. ............... ....... ......... .... 7- 31 7.12.2.2 Removing the Waste Toner Case ....................... .............. .............. .............. ................. ....... ..... .. .... 7- 31 7.12.2.3 Removing the Drum Unit ...
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Canon ir4570 - page 14
Contents 7.12.9.9 Removing the Left Cover ...... ...... .............. .............. .............. .............. ................. .......... .... ... .......... 7- 61 7.12.9.10 Removing the Laser Unit ................... ................. .............. ............... .............. ............... .... ... .......... 7- 61 7.12.9.11 Removing ...
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Canon ir4570 - page 15
Contents 8.3.3.1 Door Open Jam ..... ......... .............. .............. .............. .............. ................. .............. ..... ............ ... ......... 8- 25 8.4 Cassette Pick-Up Unit ........... ................. .............. .............. .............. .............. ................. . ................ .............. . 8 ...
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Canon ir4570 - page 16
Contents 8.8.5.4 Removing the Cassette Pickup Motor 1 .................... .............. .............. ................. .............. .... ......... 8- 74 8.8.6 Cassette Pick-up Motor 2 ........ .............. .............. .............. ... .............. .............. ... ............. . .............. .......... 8- 74 8.8.6.1 Removing the ...
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Canon ir4570 - page 17
Contents 8.8.12.1 Removing the Right Cover (rear) ...... ...... ..... ............ .............. .............. .............. ................ . ........... . 8- 98 8.8.12.2 Removing the Right Door .............. .............. ............... .............. .............. ................. ....... ....... ... ...... 8- 98 8.8.12.3 Removing the R ...
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Canon ir4570 - page 18
Contents 8.8.19.3 Removing the Main Drive Assembly ..... .............. .............. ............... .............. ................. ....... ...... 8- 125 8.8.19.4 Removing the Registration Clutch........................ .............. ............... .............. ................. ........ ..... 8- 126 8.8.20 Feeding Roller .................. ...
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Canon ir4570 - page 19
Contents 9.1.1Specifications, Control Mechanis ms, and Functions ................. .............. .............. ............... ............. ...... ... 9- 1 9.1.2Major Components .................. ... .............. ... .............. .............. ............... .. .............. ......... ...... .............. ........ 9- 1 9.2 Basic Sequenc ...
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Canon ir4570 - page 20
Contents 9.5.5 Internal Delivery Sensor.... ................. .............. .............. ................. .............. .............. ... ................. .......... 9- 26 9.5.5.1 Removing the Inside Delivery Cover Unit ........ ...................... .............. ................. .............. ..... ........ 9- 26 9.5.5.2 Removing the G ...
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Canon ir4570 - page 21
Contents 10.5.1.3 Removing the Main Drive Assembly ... ................. .............. ................. .............. .............. ....... ...... 10- 18 10.5.2 Power Supply Unit ................... .............. .............. ................. ............... .............. .......... ......... .............. .. 10- 18 10.5.2.1 Removing the ...
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Canon ir4570 - page 22
Contents 10.5.12.6 Removing the Upper Tray ............... .............. .............. ................. .............. .............. ...... ........... .. 10- 39 10.5.12.7 Removing the Toner Cartridge Cover ................ .............. ............... .............. ................. ....... ...... 10- 39 10.5.12.8 Removing the Pre-Exposure ...
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Canon ir4570 - page 23
Contents 12.3 Schedu led Servicing Basic Procedure ............. .................... .............. .............. .............. ............ ..... .............. . 12- 5 12.3.1Scheduled Servicing for the Reader Unit ......................... ................. ................. ................... .... ..... ......... 12- 5 12.3.2Scheduled Servic ...
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Canon ir4570 - page 24
Contents 14.2 Troublesh oot ing ....... ........................................................ . . ...... ...................... .......... ............. .............. ....... 14- 4 14.2.1 Image Faults .......................... .............. .............. ...... .......... ................. .............. ...... ........... .............. ... ...
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Canon ir4570 - page 25
Contents Chapter 16 Service Mode 16.1 Outline .. .............. ................. .............. .............. .............. .............. ................. ......... ........ .............. .............. .... 16- 1 16.1.1Construction of Service Mode .............. ................ ............... .............. .............. .............. .. ...
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Canon ir4570 - page 26
Contents Chapter 17 Service Tools 17.1 Special Tools ... ................. .............. .............. .............. ................. .............. .............. .. ............... .............. ....... 17-1 17.2 Oils and Solvents .............. .............. ................. .............. .............. .............. .............. .... ...
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