Canon i-SENSYS LBP5300 Series Service Manual page 83

Contents
3.1 EXTERNAL AND CONTROLS SYSTEM ..................................................................................................................3-1
3.1.1 Rear Cover ................................................................................................................................................................................... 3-1
3.1.1.1 Removing the Rear Cover ...............................................................................................................................................................................3-1
3.1.2 Right Cover .................................................................................................................................................................................. 3-1
3.1.2.1 Preparation for Removing the Right Cover ....................................................................................................................................................3-1
3.1.2.2 Removing the Right Cover..............................................................................................................................................................................3-1
3.1.3 Left Cover .................................................................................................................................................................................... 3-1
3.1.3.1 Preparation for Removing the Left Cover.......................................................................................................................................................3-1
3.1.3.2 Removing the Left Cover................................................................................................................................................................................3-1
3.1.4 Upper Cover................................................................................................................................................................................. 3-2
3.1.4.1 Preparation for Removing the Upper Cover ...................................................................................................................................................3-2
3.1.4.2 Removing the Upper Cover ............................................................................................................................................................................3-2
3.1.5 Front Cover .................................................................................................................................................................................. 3-2
3.1.5.1 Preparation for Removing the Front Cover.....................................................................................................................................................3-2
3.1.5.2 Removing the Front Cover..............................................................................................................................................................................3-2
3.1.6 Main Drive Unit ........................................................................................................................................................................... 3-3
3.1.6.1 Preparation for Removing the Main Drive Unit .............................................................................................................................................3-3
3.1.6.2 Removing the Main Drive Unit.......................................................................................................................................................................3-3
3.1.6.3 Points to Note When Mounting Main Drive Unit ...........................................................................................................................................3-5
3.1.7 Operation Panel Unit.................................................................................................................................................................... 3-7
3.1.7.1 Preparation for Removing the Control Panel ..................................................................................................................................................3-7
3.1.7.2 Removing the Control Panel ...........................................................................................................................................................................3-7
3.1.8 DC Controller PCB ...................................................................................................................................................................... 3-7
3.1.8.1 Before Removing the DC Controller PCB......................................................................................................................................................3-7
3.1.8.2 Preparation for Removing the DC Controller PCB.........................................................................................................................................3-7
3.1.8.3 Removing the DC Controller PCB..................................................................................................................................................................3-7
3.1.9 Video Controller PCB.................................................................................................................................................................. 3-8
3.1.9.1 Preparation for Removing the Video Controller PCB ....................................................................................................................................3-8
3.1.9.2 Preparation for Removing the Video Controller PCB ....................................................................................................................................3-8
3.1.9.3 Removing the Video Controller PCB .............................................................................................................................................................3-8
3.1.9.4 Removing the Video Controller PCB .............................................................................................................................................................3-8
3.1.10 Memory Controller PCB............................................................................................................................................................ 3-9
3.1.10.1 Before Removing the Memory Controller PCB............................................................................................................................................3-9
3.1.10.2 Preparation for Removing the Memory Controller PCB ..............................................................................................................................3-9
3.1.10.3 Removing the Memory Controller PCB .......................................................................................................................................................3-9
3.1.11 Interface Controller PCB ......................................................................................................................................................... 3-10
3.1.11.1 Removing the Network Interface Board .....................................................................................................................................................3-10
3.1.12 Duplexing Driver PCB............................................................................................................................................................. 3-10
3.1.12.1 Preparation for Removing the Duplexing Driver PCB ...............................................................................................................................3-10
3.1.12.2 Removing the Duplexing Driver PCB ........................................................................................................................................................3-10
3.1.13 Low-Voltage Power Supply Assembly.................................................................................................................................... 3-10
3.1.13.1 Preparation for Removing the Low-Voltage Power Supply PCB...............................................................................................................3-10
3.1.13.2 Removing the Low-Voltage Power Supply PCB........................................................................................................................................3-10
3.1.14 High-voltage PCB .................................................................................................................................................................... 3-11
3.1.14.1 Preparation for Removing the High-Voltage Power Supply PCB ..............................................................................................................3-11
3.1.14.2 Removing the High-Voltage Power Supply PCB .......................................................................................................................................3-11
3.1.15 Cooling Fan.............................................................................................................................................................................. 3-11
3.1.15.1 Preparation for Removing the Cooling Fan ................................................................................................................................................3-11
3.1.15.2 Removing the Cooling Fan .........................................................................................................................................................................3-12
3.1.16 Duplex Fan............................................................................................................................................................................... 3-12
3.1.16.1 Preparation for Removing the Duplexing Fan ............................................................................................................................................3-12
3.1.16.2 Removing the Duplexing Fan .....................................................................................................................................................................3-12
3.2 LASER EXPOSURE SYSTEM...................................................................................................................................3-13
Contents