Canon LBP5000 Series Service Manual page 10

Contents
3.2.10.4 Removing the Main Motor .................................................................................................................................................... 3- 13
3.2.11 DC Controller PCB ...............................................................................................................................................3- 13
3.2.11.1 Preparation for Removing the DC Controller PCB ............................................................................................................... 3- 13
3.2.11.2 Removing the DC Controller PCB........................................................................................................................................ 3- 13
3.2.11.3 The former procedure of removing the DC Controller PCB ................................................................................................. 3- 13
3.2.11.4 Removing the DC Controller PCB........................................................................................................................................ 3- 13
3.2.12 Video Controller PCB ...........................................................................................................................................3- 14
3.2.12.1 Preparation for Removing the Video Controller PCB ........................................................................................................... 3- 14
3.2.12.2 Removing the Video Controller PCB.................................................................................................................................... 3- 14
3.2.12.3 The former procedure of removing the Video Controller PCB ............................................................................................. 3- 14
3.2.12.4 Removing the Video Controller ............................................................................................................................................ 3- 14
3.2.13 Memory Controller PCB .......................................................................................................................................3- 15
3.2.13.1 Preparation for Removing the Memory Controller PCB ....................................................................................................... 3- 15
3.2.13.2 Removing the Memory Controller PCB ................................................................................................................................ 3- 15
3.2.13.3 The former procedure of Removing the Memory Controller PCB ........................................................................................ 3- 16
3.2.13.4 Removing the Memory Controller PCB ................................................................................................................................ 3- 16
3.2.14 Duplexing Driver PCB ..........................................................................................................................................3- 16
3.2.14.1 Preparation for Removing the Duplexing Driver PCB .......................................................................................................... 3- 16
3.2.14.2 Removing the Duplexing Driver PCB ................................................................................................................................... 3- 16
3.2.15 Low-Voltage Power Supply Assembly .................................................................................................................3- 17
3.2.15.1 Preparation for Removing the Low-Voltage Power Supply PCB.......................................................................................... 3- 17
3.2.15.2 Removing the Low-Voltage Power Supply PCB .................................................................................................................. 3- 17
3.2.15.3 The former procedure of Removing the Low-Voltage Power Supply PCB........................................................................... 3- 18
3.2.15.4 Removing the Low-Voltage Power Supply PCB .................................................................................................................. 3- 18
3.2.16 High-voltage PCB.................................................................................................................................................3- 19
3.2.16.1 Preparation for Removing the High-Voltage Power Supply PCB......................................................................................... 3- 19
3.2.16.2 Removing the High-Voltage Power Supply PCB.................................................................................................................. 3- 19
3.2.16.3 The former procedure of Removing the High-Voltage Power Supply PCB.......................................................................... 3- 19
3.2.16.4 Removing the High-Voltage Power Supply PCB.................................................................................................................. 3- 20
3.2.17 Sub High-Voltage Power Supply PCB .................................................................................................................3- 20
3.2.17.1 Preparation for Removing the Sub High-Voltage Power Supply PCB ................................................................................. 3- 20
3.2.17.2 Removing the Sub High-Voltage Power Supply PCB .......................................................................................................... 3- 21
3.2.18 Machine Outside Environment Sensor.................................................................................................................3- 21
3.2.18.1 The former procedure of removing the Site Environment Sensor....................................................................................... 3- 21
3.2.18.2 Removing the Site Environment Sensor .............................................................................................................................. 3- 21
3.2.19 Cartridge Fan .......................................................................................................................................................3- 21
3.2.19.1 Preparation for Removing the Cartridge Fan ....................................................................................................................... 3- 21
3.2.19.2 Removing the Cartridge Fan ................................................................................................................................................ 3- 21
3.2.19.3 The former procedure of removing Removing the Cartridge Fan ....................................................................................... 3- 21
3.2.19.4 Removing the Cartridge Fan ................................................................................................................................................ 3- 21
3.2.20 Fixing Fan 1 .........................................................................................................................................................3- 21
3.2.20.1 Preparation for Removing the Fixing Fan ............................................................................................................................ 3- 21
3.2.20.2 Removing the Fixing Fan ..................................................................................................................................................... 3- 22
3.3 LASER EXPOSURE SYSTEM ................................................................................................................. 3- 22
3.3.1 Laser Scanner Unit ................................................................................................................................................3- 22
3.3.1.1 Preparation for Removing the Laser Scanner Unit ................................................................................................................ 3- 22
3.3.1.2 Removing the Laser Scanner Unit ......................................................................................................................................... 3- 22
3.3.1.3 The former procedure of removing the Laser Scanner Unit.................................................................................................. 3- 23
3.3.1.4 Removing the Laser Scanner Unit ......................................................................................................................................... 3- 23
3.4 IMAGE FORMATION SYSTEM................................................................................................................ 3- 25
3.4.1 MCY Developing Cylinder Drive Solenoid .............................................................................................................3- 25
3.4.1.1 Preparation for Removing the MCY Developing Cylinder Drive Solenoid ............................................................................. 3- 25
3.4.1.2 Removing the MCY Developing Cylinder Drive Solenoid ...................................................................................................... 3- 25
3.4.1.3 The former procedure of removing the MCY Developing Cylinder Drive Solenoid............................................................... 3- 25
3.4.1.4 Removing the MCY Developing Cylinder Drive Solenoid ...................................................................................................... 3- 25
3.4.2 Bk Developing Cylinder Drive Solenoid .................................................................................................................3- 25
3.4.2.1 Preparation for Removing the Bk Developing Cylinder Drive Solenoid ................................................................................. 3- 25
3.4.2.2 Removing the Bk Developing Cylinder Drive Solenoid .......................................................................................................... 3- 25
3.4.2.3 The former procedure of removing the Bk Developing Cylinder Drive Solenoid................................................................... 3- 26
3.4.2.4 Removing the Bk Developing Cylinder Drive Solenoid .......................................................................................................... 3- 26