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Canon ir4570 manual

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Table of contents for the manual

  • Page 1

    Oct 8 2004 Service Manual iR4570/3570, 2870/2270 Series fineline6 service-repairmanual.com[...]

  • Page 2

    fineline6 service-repairmanual.com[...]

  • 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[...]

  • 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[...]

  • 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 [...]

  • Page 6

    fineline6 service-repairmanual.com[...]

  • 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 ............. .............. .............. ... .............. ............[...]

  • Page 8

    Contents 1.2.7.1 Printing Speed .... .............. .............. .............. ................. .............. .............. .............. ... .............. .......... 1- 46 1.2.7.2 Printing Speed .................. .............. ... .............. .............. .............. ... .............. ........... ... ... .............. ... .... [...]

  • Page 9

    Contents 4.1 Construction ...... .............. .............. ................. .............. ............... .............. .............. ... .............. ................. ........ 4- 1 4.1.1Construction and Mechanisms ....................... .............. ................. .............. .............. ............. . .............. ......[...]

  • 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[...]

  • 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 [...]

  • 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[...]

  • 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[...]

  • 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 [...]

  • Page 15

    Contents 8.3.3.1 Door Open Jam ..... ......... .............. .............. .............. .............. ................. .............. ..... ............ ... ......... 8- 25 8.4 Cassette Pick-Up Unit ........... ................. .............. .............. .............. .............. ................. . ................ .............. . 8[...]

  • 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[...]

  • 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[...]

  • 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 ..................[...]

  • Page 19

    Contents 9.1.1Specifications, Control Mechanis ms, and Functions ................. .............. .............. ............... ............. ...... ... 9- 1 9.1.2Major Components .................. ... .............. ... .............. .............. ............... .. .............. ......... ...... .............. ........ 9- 1 9.2 Basic Sequenc[...]

  • 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[...]

  • 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 [...]

  • 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 [...]

  • 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[...]

  • Page 24

    Contents 14.2 Troublesh oot ing ....... ........................................................ . . ...... ...................... .......... ............. .............. ....... 14- 4 14.2.1 Image Faults .......................... .............. .............. ...... .......... ................. .............. ...... ........... .............. ...[...]

  • Page 25

    Contents Chapter 16 Service Mode 16.1 Outline .. .............. ................. .............. .............. .............. .............. ................. ......... ........ .............. .............. .... 16- 1 16.1.1Construction of Service Mode .............. ................ ............... .............. .............. .............. ..[...]

  • Page 26

    Contents Chapter 17 Service Tools 17.1 Special Tools ... ................. .............. .............. .............. ................. .............. .............. .. ............... .............. ....... 17-1 17.2 Oils and Solvents .............. .............. ................. .............. .............. .............. .............. ....[...]