Canon 3370 Series Service Manual page 9

3.1.7.1 Removing the duplexing drive assembly ................................................................................................................................. 3- 6
3.1.8 Operation Panel Unit ............................................................................................................................................... 3- 7
3.1.8.1 Preparation for detaching the control panel ............................................................................................................................. 3- 7
3.1.8.2 Detaching the control panel ..................................................................................................................................................... 3- 7
3.1.8.3 Detaching the control panel ..................................................................................................................................................... 3- 7
3.1.9 Engine controller board ........................................................................................................................................... 3- 8
3.1.9.1 Preparation for removing the engine controller PCB ............................................................................................................... 3- 8
3.1.9.2 Removing the engine controller PCB....................................................................................................................................... 3- 8
3.1.10 Duplexing Driver Board.......................................................................................................................................... 3- 9
3.1.10.1 Preparation for removing the duplexing driver PCB............................................................................................................... 3- 9
3.1.10.2 Removing the duplexing driver PCB .................................................................................................................................... 3- 10
3.1.11 Video Controller Board ........................................................................................................................................ 3- 10
3.1.11.1 Removing the video controller PCB ..................................................................................................................................... 3- 10
3.1.11.2 Removing the video controller PCB ..................................................................................................................................... 3- 10
3.1.12 USB Board........................................................................................................................................................... 3- 11
3.1.12.1 Removing the USB PCB ...................................................................................................................................................... 3- 11
3.1.13 Door Switch ......................................................................................................................................................... 3- 12
3.1.13.1 Removing the door switch.................................................................................................................................................... 3- 12
3.1.14 Main Body Fan..................................................................................................................................................... 3- 12
3.1.14.1 Preparation for removing the fan.......................................................................................................................................... 3- 12
3.1.14.2 Removing the fan ................................................................................................................................................................. 3- 12
3.2 LASER EXPOSURE SYSTEM .................................................................................................................3- 13
3.2.1 Laser Scanner Unit................................................................................................................................................ 3- 13
3.2.1.1 Preparation for removing the laser scanner unit .................................................................................................................... 3- 13
3.2.1.2 Removing the laser scanner unit ........................................................................................................................................... 3- 13
3.3 IMAGE FORMATION SYSTEM................................................................................................................3- 13
3.3.1 Transfer Charging Roller ....................................................................................................................................... 3- 13
3.3.1.1 Removing the transfer charging roller.................................................................................................................................... 3- 13
3.4 PICKUP AND FEEDING SYSTEM ...........................................................................................................3- 13
3.4.1 Cassette Pickup Roller .......................................................................................................................................... 3- 13
3.4.1.1 Removing the cassette pickup roller ...................................................................................................................................... 3- 13
3.4.2 Cassette Pickup solenoid ...................................................................................................................................... 3- 14
3.4.2.1 Preparation for removing the cassette pickup solenoid ......................................................................................................... 3- 14
3.4.2.2 Removing the cassette pickup solenoid................................................................................................................................. 3- 14
3.4.3 Cassette Separation Pad....................................................................................................................................... 3- 14
3.4.3.1 Removing the cassette separation pad.................................................................................................................................. 3- 14
3.4.4 Manual Pickup Roller............................................................................................................................................. 3- 14
3.4.4.1 Removing the manual pickup roller........................................................................................................................................ 3- 14
3.4.5 Manual Separation Pad ......................................................................................................................................... 3- 15
3.4.5.1 Preparation for removing the manual separation pad............................................................................................................ 3- 15
3.4.5.2 Removing the manual separation pad ................................................................................................................................... 3- 15
3.4.6 Registration Roller ................................................................................................................................................. 3- 15
3.4.6.1 Preparation for removing the registration roller...................................................................................................................... 3- 15
3.4.6.2 Removing the registration roller ............................................................................................................................................. 3- 15
3.4.7 Main Motor............................................................................................................................................................. 3- 16
3.4.7.1 Preparation for removing the main motor .............................................................................................................................. 3- 16
3.4.7.2 Removing the main motor...................................................................................................................................................... 3- 16
3.4.8 Reversal Solenoid ................................................................................................................................................. 3- 16
3.4.8.1 Preparation for removing the reverse solenoid ...................................................................................................................... 3- 16
3.4.8.2 Removing the reverse solenoid ............................................................................................................................................. 3- 16
3.4.9 Duplexing Unit ....................................................................................................................................................... 3- 16
3.4.9.1 Preparation for removing the duplexing unit .......................................................................................................................... 3- 16
3.4.9.2 Removing the duplexing unit.................................................................................................................................................. 3- 16
3.5 FIXING SYSTEM ......................................................................................................................................3- 17
3.5.1 Fixing Unit.............................................................................................................................................................. 3- 17
3.5.1.1 Preparation for removing the fixing assembly........................................................................................................................ 3- 17
3.5.1.2 Removing the fixing assembly ............................................................................................................................................... 3- 17
3.5.1.3 Removing the fixing assembly ............................................................................................................................................... 3- 18
3.5.2 Fixing Film Unit...................................................................................................................................................... 3- 19
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