![Canon iR4570 Series Service Manual Download Page 233](http://html1.mh-extra.com/html/canon/ir4570-series/ir4570-series_service-manual_4260858233.webp)
Contents
Contents
7.1 Construction ....................................................................................................................................................... 7-1
7.1.1 Specifications of the Image Formation System........................................................................................... 7-1
7.1.2 Major Components of the Image Formation System .................................................................................. 7-2
7.2 Image Formation Process ................................................................................................................................... 7-4
7.2.1 Image Formation Process (outline) ............................................................................................................. 7-4
7.2.2 Image Formation Process (image formation) .............................................................................................. 7-5
7.3 Basic Sequence................................................................................................................................................... 7-6
7.3.1 Sequence of Operation (initial rotation) ...................................................................................................... 7-6
7.3.2 Sequence of Operation (initial rotation) ...................................................................................................... 7-6
7.3.3 Sequence of Operation (copying)................................................................................................................ 7-7
7.3.4 Sequence of Operation (copying)................................................................................................................ 7-8
7.3.5 Sequence of Operation (last rotation).......................................................................................................... 7-8
7.3.6 Sequence of Operation (last rotation).......................................................................................................... 7-9
7.4 Image Stabilization Control.............................................................................................................................. 7-10
7.4.1 Overview ................................................................................................................................................... 7-10
7.4.2 APVC Control ........................................................................................................................................... 7-10
7.4.3 ATVC Control ........................................................................................................................................... 7-11
7.5 Drum Unit......................................................................................................................................................... 7-12
7.5.1 Charging Mechanism ................................................................................................................................ 7-12
7.5.1.1 Controlling the Primary Charging Bias.............................................................................................. 7-12
7.5.1.2 Primary Charging Roller Cleaning Mechanism ................................................................................. 7-12
7.6 Drum Cleaner Unit ........................................................................................................................................... 7-14
7.6.1 Photosensitive Drum Cleaning .................................................................................................................. 7-14
7.7 Developing Unit ............................................................................................................................................... 7-15
7.7.1 Controlling the Developing Bias ............................................................................................................... 7-15
7.8 Toner Container................................................................................................................................................ 7-16
7.8.1 Overview ................................................................................................................................................... 7-16
7.8.2 Route of Toner Supply .............................................................................................................................. 7-17
7.8.3 Controlling the Drive of the Toner Cartridge............................................................................................ 7-18
7.8.4 Toner Supply Control ................................................................................................................................ 7-19
7.8.5 Recovery Sequence ................................................................................................................................... 7-19
7.8.6 Toner Level Detection............................................................................................................................... 7-20
7.9 Transfer Unit .................................................................................................................................................... 7-21
7.9.1 Outline of the Transfer Unit ...................................................................................................................... 7-21
7.9.1.1 Outline ................................................................................................................................................ 7-21
7.9.2 Controlling the Transfer Bias .................................................................................................................... 7-21
7.9.2.1 Transfer Roller Bias Control .............................................................................................................. 7-21
7.9.3 Cleaning..................................................................................................................................................... 7-22
7.9.3.1 Transfer Roller Cleaning Mechanism ................................................................................................ 7-22
7.9.4 Separation Mechanism .............................................................................................................................. 7-22
7.9.4.1 Controlling the Static Eliminator Bias ............................................................................................... 7-22
7.10 Transfer Mechanism....................................................................................................................................... 7-23
7.10.1 Transfer Guide Bias................................................................................................................................. 7-23
7.10.1.1 Transfer Guide Bias Control ............................................................................................................ 7-23
Summary of Contents for iR4570 Series
Page 2: ...Download Free Service Manual And Resetter Printer at http printer1 blogspot com ...
Page 6: ...Download Free Service Manual And Resetter Printer at http printer1 blogspot com ...
Page 28: ...Download Free Service Manual And Resetter Printer at http printer1 blogspot com ...
Page 81: ...Chapter 2 Installation ...
Page 82: ......
Page 84: ......
Page 106: ...system setup network Ethernet driver setup auto detect ...
Page 126: ...F 2 94 3 2 3 1 ...
Page 127: ...Chapter 3 Basic Operation ...
Page 128: ......
Page 130: ......
Page 136: ......
Page 137: ...Chapter 4 Main Controller ...
Page 138: ......
Page 140: ......
Page 164: ......
Page 165: ...Chapter 5 Original Exposure System ...
Page 166: ......
Page 213: ...Chapter 6 Laser Exposure ...
Page 214: ......
Page 216: ......
Page 230: ......
Page 231: ...Chapter 7 Image Formation ...
Page 232: ......
Page 236: ......
Page 249: ...F 7 13 1 2 3 4 ...
Page 308: ......
Page 309: ...Chapter 8 Pickup Feeding System ...
Page 310: ......
Page 316: ......
Page 464: ......
Page 465: ...Chapter 9 Fixing System ...
Page 466: ......
Page 501: ...Chapter 10 External and Controls ...
Page 502: ......
Page 506: ......
Page 564: ......
Page 565: ...Chapter 11 MEAP ...
Page 566: ......
Page 568: ......
Page 573: ...Chapter 12 Maintenance and Inspection ...
Page 574: ......
Page 576: ......
Page 612: ......
Page 613: ...Chapter 13 Standards and Adjustments ...
Page 614: ......
Page 616: ......
Page 635: ...Chapter 14 Correcting Faulty Images ...
Page 636: ......
Page 675: ...T 14 22 Notation Description VR201 for factory use ...
Page 676: ......
Page 677: ...Chapter 15 Self Diagnosis ...
Page 678: ......
Page 680: ......
Page 757: ...Chapter 16 Service Mode ...
Page 758: ......
Page 760: ...Contents 16 8 1 COPIER 16 102 16 8 1 1 Copier List 16 102 ...
Page 869: ...Chapter 17 Service Tools ...
Page 870: ......
Page 871: ...Contents Contents 17 1 Special Tools 17 1 17 2 Oils and Solvents 17 2 ...
Page 872: ......
Page 875: ...Oct 8 2004 ...
Page 876: ......