Canon MF8100 Series, Service Manual, Page: 85 / 296

Contents
3.3.13.3 Removing the SCNT Board Unit ................................................................................................................................................................3-72
3.3.13.4 Removing the Speaker ................................................................................................................................................................................3-72
3.4 LASER EXPOSURE SYSTEM...................................................................................................................................3-72
3.4.1 Laser/Scanner Unit..................................................................................................................................................................... 3-72
3.4.1.1 Removing the Rear Cover.............................................................................................................................................................................3-72
3.4.1.2 Removing the Reader Assembly...................................................................................................................................................................3-73
3.4.1.3 Removing the Right Cover............................................................................................................................................................................3-74
3.4.1.4 Removing the Left Cover..............................................................................................................................................................................3-74
3.4.1.5 Removing the Power Supply Assembly........................................................................................................................................................3-74
3.4.1.6 Removing the Face-Down Cover..................................................................................................................................................................3-74
3.4.1.7 Removing the Top Cover ..............................................................................................................................................................................3-74
3.4.1.8 Removing the Laser Scanner Unit ................................................................................................................................................................3-76
3.5 IMAGE FORMATION SYSTEM ...............................................................................................................................3-76
3.5.1 Rotary Drive Unit ...................................................................................................................................................................... 3-76
3.5.1.1 Removing the Rear Cover.............................................................................................................................................................................3-76
3.5.1.2 Removing the Reader Assembly...................................................................................................................................................................3-76
3.5.1.3 Removing the Right Cover............................................................................................................................................................................3-77
3.5.1.4 Removing the Left Cover..............................................................................................................................................................................3-77
3.5.1.5 Removing the Power Supply Assembly........................................................................................................................................................3-78
3.5.1.6 Removing the Face-Down Cover..................................................................................................................................................................3-78
3.5.1.7 Removing the Top Cover ..............................................................................................................................................................................3-78
3.5.1.8 Removing the Right Frame ...........................................................................................................................................................................3-79
3.5.1.9 Removing the Shield Plate ............................................................................................................................................................................3-79
3.5.1.10 Removing the Rotary Drive Assembly .......................................................................................................................................................3-79
3.5.2 Drum Cartridge Memory Tag Contact....................................................................................................................................... 3-80
3.5.2.1 Removing the Rear Cover.............................................................................................................................................................................3-80
3.5.2.2 Removing the Reader Assembly...................................................................................................................................................................3-80
3.5.2.3 Removing the Right Cover............................................................................................................................................................................3-81
3.5.2.4 Removing the Left Cover..............................................................................................................................................................................3-81
3.5.2.5 Removing the Power Supply Assembly........................................................................................................................................................3-82
3.5.2.6 Removing the Face-Down Cover..................................................................................................................................................................3-82
3.5.2.7 Removing the Top Cover ..............................................................................................................................................................................3-82
3.5.2.8 Removing the Right Frame ...........................................................................................................................................................................3-83
3.5.2.9 Removing the Shield Plate ............................................................................................................................................................................3-83
3.5.2.10 Removing the Inside Cover.........................................................................................................................................................................3-83
3.5.2.11 Removing the Drum Cartridge Memory Tag Contact ................................................................................................................................3-84
3.5.3 Developing Rotary Unit............................................................................................................................................................. 3-84
3.5.3.1 Removing the Rear Cover.............................................................................................................................................................................3-84
3.5.3.2 Removing the Reader Assembly...................................................................................................................................................................3-84
3.5.3.3 Removing the Right Cover............................................................................................................................................................................3-85
3.5.3.4 Removing the Left Cover..............................................................................................................................................................................3-85
3.5.3.5 Removing the Power Supply Assembly........................................................................................................................................................3-86
3.5.3.6 Removing the Face-Down Cover..................................................................................................................................................................3-86
3.5.3.7 Removing the Top Cover ..............................................................................................................................................................................3-86
3.5.3.8 Removing the Right Frame ...........................................................................................................................................................................3-87
3.5.3.9 Removing the Shield Plate ............................................................................................................................................................................3-87
3.5.3.10 Removing the Inside Cover.........................................................................................................................................................................3-87
3.5.3.11 Removing the Registration Clutch ..............................................................................................................................................................3-88
3.5.3.12 Removing the Main Drive Assembly..........................................................................................................................................................3-88
3.5.3.13 Removing the Rotary Drive Assembly .......................................................................................................................................................3-88
3.5.3.14 Removing the Left Frame ...........................................................................................................................................................................3-89
3.5.3.15 Removing the Fan Duct ..............................................................................................................................................................................3-89
3.5.3.16 Removing the Laser Scanner Unit Base......................................................................................................................................................3-89
3.5.3.17 Removing the Developing Rotary Assembly..............................................................................................................................................3-89
3.5.4 Engaging Motor ......................................................................................................................................................................... 3-90
3.5.4.1 Removing the Rear Cover.............................................................................................................................................................................3-90
3.5.4.2 Removing the Reader Assembly...................................................................................................................................................................3-90
3.5.4.3 Removing the Right Cover............................................................................................................................................................................3-91
3.5.4.4 Removing the Left Cover..............................................................................................................................................................................3-91
3.5.4.5 Removing the Power Supply Assembly........................................................................................................................................................3-92
3.5.4.6 Removing the Face-Down Cover..................................................................................................................................................................3-92