Contents
3.1.8.1 Pre-procedure for removing duplex reverse drive unit............................................................................................................. 3- 9
3.1.8.2 Removing duplex reverse drive unit.........................................................................................................................................3- 9
3.1.9 Operation Panel Unit .............................................................................................................................................3- 10
3.1.9.1 Pre-procedure for removing control panel ............................................................................................................................3- 10
3.1.9.2 Removing control panel......................................................................................................................................................... 3- 10
3.1.10 DC Controller PCB...............................................................................................................................................3- 10
3.1.10.1 Pre-procedure for removing DC controller PCB...................................................................................................................3- 10
3.1.10.2 Removing DC controller PCB...............................................................................................................................................3- 10
3.1.11 Connecting PCB..................................................................................................................................................3- 10
3.1.11.1 Pre-procedure for removing relay PCB................................................................................................................................3- 10
3.1.11.2 Removing relay PCB............................................................................................................................................................3- 10
3.1.12 Main Controller PCB............................................................................................................................................3- 11
3.1.12.1 Pre-procedure for removing main controller PCB ................................................................................................................ 3- 11
3.1.12.2 Removing main controller PCB............................................................................................................................................3- 11
3.1.12.3 Pre-procedure for removing sub power supply PCB............................................................................................................3- 11
3.1.12.4 Removing sub power supply PCB........................................................................................................................................3- 11
3.1.13 Driver PCB...........................................................................................................................................................3- 12
3.1.13.1 Pre-procedure for removing driver PCB............................................................................................................................... 3- 12
3.1.13.2 Removing driver PCB...........................................................................................................................................................3- 12
3.1.14 Power Supply Board............................................................................................................................................3- 13
3.1.14.1 Pre-procedure for removing power supply unit ....................................................................................................................3- 13
3.1.14.2 Removing power supply unit................................................................................................................................................ 3- 13
3.1.15 High-voltage PCB................................................................................................................................................3- 14
3.1.15.1 Pre-procedure for removing high voltage power supply PCB .............................................................................................. 3- 14
3.1.15.2 Removing high voltage power supply PCB..........................................................................................................................3- 14
3.1.16 Fan.......................................................................................................................................................................3- 15
3.1.16.1 Pre-procedure for removing fan (1)...................................................................................................................................... 3- 15
3.1.16.2 Removing fan (1)..................................................................................................................................................................3- 15
3.1.16.3 Pre-procedure for removing duplex feeding fan................................................................................................................... 3- 16
3.1.16.4 Removing duplex feeding fan............................................................................................................................................... 3- 16
3.2 LASER EXPOSURE SYSTEM.................................................................................................................3- 16
3.2.1 Laser Scanner Unit................................................................................................................................................3- 16
3.2.1.1 Pre-procedure for removing laser scanner unit......................................................................................................................3- 16
3.2.1.2 Removing laser scanner unit ................................................................................................................................................. 3- 16
3.3 IMAGE FORMATION SYSTEM................................................................................................................3- 19
3.3.1 Drum/ITB Motor.....................................................................................................................................................3- 19
3.3.1.1 Pre-procedure for removing drum motor................................................................................................................................3- 19
3.3.1.2 Removing drum motor ........................................................................................................................................................... 3- 19
3.3.2 Developing Rotary Motor.......................................................................................................................................3- 19
3.3.2.1 Pre-procedure for removing developing motor ......................................................................................................................3- 19
3.3.2.2 Removing developing motor..................................................................................................................................................3- 19
3.3.3 ITB Unit..................................................................................................................................................................3- 20
3.3.3.1 Removing ITB unit ................................................................................................................................................................. 3- 20
3.3.4 RD Sensor Unit......................................................................................................................................................3- 21
3.3.4.1 Pre-procedure for removing RD sensor unit.......................................................................................................................... 3- 21
3.3.4.2 Removing RD sensor unit......................................................................................................................................................3- 21
3.4 PICKUP/FEEDING/DELIVERY SYSTEM.................................................................................................3- 22
3.4.1 Pickup Motor..........................................................................................................................................................3- 22
3.4.1.1 Pre-procedure for removing pick-up motor............................................................................................................................ 3- 22
3.4.1.2 Removing pick-up motor........................................................................................................................................................ 3- 22
3.4.2 Pickup Unit ............................................................................................................................................................3- 23
3.4.2.1 Pre-procedure for removing pick-up unit................................................................................................................................3- 23
3.4.2.2 Removing pick-up unit ...........................................................................................................................................................3- 23
3.4.2.3 Removing MP tray pick-up unit.............................................................................................................................................. 3- 24
3.4.3 Delivery Unit..........................................................................................................................................................3- 25
3.4.3.1 Pre-procedure for removing delivery unit...............................................................................................................................3- 25
3.4.3.2 Removing delivery unit........................................................................................................................................................... 3- 25
3.4.4 Cassette Pickup Roller..........................................................................................................................................3- 26
3.4.4.1 Removing cassette pick-up roller.......................................................................................................................................... 3- 26