Canon LBP5050 Series Service Manual page 9

3.1.10.1 Before Removing the Main Motor .......................................................................................................................................... 3- 8
3.1.10.2 Removing the Main Motor ...................................................................................................................................................... 3- 8
3.1.11 Operation Panel Unit ............................................................................................................................................. 3- 9
3.1.11.1 Before Removing the Control Panel....................................................................................................................................... 3- 9
3.1.11.2 Removing the Control Panel .................................................................................................................................................. 3- 9
3.1.12 DC Controller PCB............................................................................................................................................... 3- 10
3.1.12.1 Before Removing the DC Controller PCB ............................................................................................................................ 3- 10
3.1.12.2 Removing the DC Controller PCB........................................................................................................................................ 3- 10
3.1.12.3 After Replacing the DC controller PCB ................................................................................................................................ 3- 10
3.1.13 Main Controller PCB ............................................................................................................................................ 3- 10
3.1.13.1 Before Removing the Main Controller PCB.......................................................................................................................... 3- 10
3.1.13.2 Removing the Main Controller PCB ..................................................................................................................................... 3- 11
3.1.13.3 After Replacing the Main Controller PCB............................................................................................................................. 3- 11
3.1.14 Low-Voltage Power Supply Assembly ................................................................................................................. 3- 11
3.1.14.1 Before Removing the Low-Voltage Power Supply Assembly............................................................................................... 3- 11
3.1.14.2 Removing the Low-Voltage Power Supply Assembly .......................................................................................................... 3- 11
3.1.15 Fixing Power Supply Assembly ........................................................................................................................... 3- 12
3.1.15.1 Before Removing the Fixing Power Supply Assembly ......................................................................................................... 3- 12
3.1.15.2 Removing the Fixing Power Supply Assembly..................................................................................................................... 3- 12
3.1.16 High-voltage PCB ................................................................................................................................................ 3- 13
3.1.16.1 Before Removing the High-Voltage Power Supply PCB ...................................................................................................... 3- 13
3.1.16.2 Removing the High-Voltage Power Supply PCB.................................................................................................................. 3- 13
3.2 LASER EXPOSURE SYSTEM .................................................................................................................3- 13
3.2.1 Laser Scanner Unit................................................................................................................................................ 3- 13
3.2.1.1 Before Removing the Laser Scanner Unit ............................................................................................................................. 3- 13
3.2.1.2 Removing the Laser Scanner Unit ......................................................................................................................................... 3- 13
3.2.1.3 After Replacing the laser scanner unit ................................................................................................................................... 3- 15
3.3 IMAGE FORMATION SYSTEM................................................................................................................3- 15
3.3.1 Intermediate Transfer Unit..................................................................................................................................... 3- 15
3.3.1.1 Before Removing the ITB Unit ............................................................................................................................................... 3- 15
3.3.1.2 Removing the ITB Unit........................................................................................................................................................... 3- 16
3.4 PICKUP/FEEDING/DELIVERY SYSTEM.................................................................................................3- 17
3.4.1 Cassette Pickup Roller .......................................................................................................................................... 3- 17
3.4.1.1 Removing the Pickup Roller................................................................................................................................................... 3- 17
3.4.2 Cassette Separation Roller.................................................................................................................................... 3- 18
3.4.2.1 Removing the Separation Roller ............................................................................................................................................ 3- 18
3.5 FIXING SYSTEM ......................................................................................................................................3- 19
3.5.1 Fixing Assembly .................................................................................................................................................... 3- 19
3.5.1.1 Before Removing the Fixing Assembly .................................................................................................................................. 3- 19
3.5.1.2 Removing the Fixing Assembly.............................................................................................................................................. 3- 19
3.5.2 Fixing Film Unit...................................................................................................................................................... 3- 20
3.5.2.1 Before Removing the Fixing Film Unit ................................................................................................................................... 3- 20
3.5.2.2 Removing the Fixing Film Unit ............................................................................................................................................... 3- 20
3.5.3 Fixing Pressure Roller ........................................................................................................................................... 3- 21
3.5.3.1 Before Removing the Fixing Pressure Roller......................................................................................................................... 3- 21
3.5.3.2 Removing the Fixing Pressure Roller .................................................................................................................................... 3- 21
3.5.4 Fixing Motor........................................................................................................................................................... 3- 21
3.5.4.1 Before Removing the Fixing Motor ........................................................................................................................................ 3- 21
3.5.4.2 Removing the Fixing Motor .................................................................................................................................................... 3- 21
Chapter 4 MAINTENANCE AND INSPECTION
4.1 Periodically Replaced Parts........................................................................................................................4- 1
4.1.1 Periodically Replaced Parts..................................................................................................................................... 4- 1
4.2 Consumables..............................................................................................................................................4- 1
4.2.1 Life Expectancy of Consumable Parts..................................................................................................................... 4- 1
4.3 Periodical Service .......................................................................................................................................4- 1
4.3.1 Periodic Service....................................................................................................................................................... 4- 1
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