Canon LBP3300 Series Service Manual page 7

3.1.8.1 Detaching the control panel ..................................................................................................................................................... 3- 3
3.1.9 Engine controller board ........................................................................................................................................... 3- 4
3.1.9.1 Preparation for removing the engine controller PCB ............................................................................................................... 3- 4
3.1.9.2 Removing the engine controller PCB....................................................................................................................................... 3- 4
3.1.10 Duplexing Driver Board.......................................................................................................................................... 3- 4
3.1.10.1 Preparation for removing the duplexing driver PCB............................................................................................................... 3- 4
3.1.10.2 Removing the duplexing driver PCB ...................................................................................................................................... 3- 4
3.1.11 Video Controller Board .......................................................................................................................................... 3- 5
3.1.11.1 Removing the video controller PCB ....................................................................................................................................... 3- 5
3.1.12 USB Board............................................................................................................................................................. 3- 5
3.1.12.1 Removing the USB PCB ........................................................................................................................................................ 3- 5
3.1.13 Door Switch ........................................................................................................................................................... 3- 5
3.1.13.1 Removing the door switch...................................................................................................................................................... 3- 5
3.1.14 Main Body Fan....................................................................................................................................................... 3- 5
3.1.14.1 Preparation for removing the fan............................................................................................................................................ 3- 5
3.1.14.2 Removing the fan ................................................................................................................................................................... 3- 6
3.2 LASER EXPOSURE SYSTEM ...................................................................................................................3- 6
3.2.1 Laser Scanner Unit.................................................................................................................................................. 3- 6
3.2.1.1 Preparation for removing the laser scanner unit ...................................................................................................................... 3- 6
3.2.1.2 Removing the laser scanner unit ............................................................................................................................................. 3- 6
3.3 IMAGE FORMATION SYSTEM..................................................................................................................3- 6
3.3.1 Transfer Charging Roller ......................................................................................................................................... 3- 6
3.3.1.1 Removing the transfer corona roller......................................................................................................................................... 3- 6
3.4 PICKUP AND FEEDING SYSTEM .............................................................................................................3- 6
3.4.1 Cassette Pickup Roller ............................................................................................................................................ 3- 6
3.4.1.1 Cassette pick-up roller ............................................................................................................................................................. 3- 6
3.4.2 Cassette Pickup solenoid ........................................................................................................................................ 3- 6
3.4.2.1 Preparation for removing the cassette pick-up solenoid .......................................................................................................... 3- 6
3.4.2.2 Removing the cassette pick-up solenoid ................................................................................................................................. 3- 6
3.4.3 Cassette Separation Pad......................................................................................................................................... 3- 7
3.4.3.1 Removing the separation pad .................................................................................................................................................. 3- 7
3.4.4 Multi-purpose Pickup Solenoid ................................................................................................................................ 3- 7
3.4.4.1 Preparation for removing the manual pick-up solenoid............................................................................................................ 3- 7
3.4.4.2 Removing the manual pick-up solenoid ................................................................................................................................... 3- 7
3.4.5 Registration Roller ................................................................................................................................................... 3- 7
3.4.5.1 Preparation for removing the registration roller........................................................................................................................ 3- 7
3.4.5.2 Removing the registration roller ............................................................................................................................................... 3- 7
3.4.6 Main Motor............................................................................................................................................................... 3- 7
3.4.6.1 Preparation for removing the main motor ................................................................................................................................ 3- 7
3.4.6.2 Removing the main motor........................................................................................................................................................ 3- 7
3.4.7 Reversal Solenoid ................................................................................................................................................... 3- 7
3.4.7.1 Preparation for removing the reverse solenoid ........................................................................................................................ 3- 7
3.4.7.2 Removing the reverse solenoid ............................................................................................................................................... 3- 7
3.4.8 Duplexing Unit ......................................................................................................................................................... 3- 8
3.4.8.1 Preparation for removing the duplexing unit ............................................................................................................................ 3- 8
3.4.8.2 Removing the duplexing unit.................................................................................................................................................... 3- 8
3.5 FIXING SYSTEM ........................................................................................................................................3- 8
3.5.1 Fixing Unit................................................................................................................................................................ 3- 8
3.5.1.1 Preparation for removing the fixing assembly.......................................................................................................................... 3- 8
3.5.1.2 Removing the fixing assembly ................................................................................................................................................. 3- 8
3.5.2 Fixing Film Unit........................................................................................................................................................ 3- 9
3.5.2.1 Preparation for removing the fixing film unit............................................................................................................................. 3- 9
3.5.2.2 Removing the fixing film........................................................................................................................................................... 3- 9
3.5.3 Fixing Pressure Roller ........................................................................................................................................... 3- 10
3.5.3.1 Preparation for removing the fixing pressure roller ................................................................................................................ 3- 10
3.5.3.2 Removing the fixing pressure roller ....................................................................................................................................... 3- 10
Chapter 4 MAINTENANCE AND INSPECTION
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