Canon LBP3010 Series Service Manual page 49

Contents
3.1 EXTERNAL AND CONTROLS SYSTEM ..................................................................................................................3-1
3.1.1 Rear Cover ................................................................................................................................................................................... 3-1
3.1.1.1 Preparation for Removing the Rear Cover......................................................................................................................................................3-1
3.1.1.2 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 .................................................................................................................................................................................... 3-2
3.1.3.1 Preparation for Removing the Left Cover.......................................................................................................................................................3-2
3.1.3.2 Removing the Left Cover................................................................................................................................................................................3-2
3.1.4 Upper Cover................................................................................................................................................................................. 3-2
3.1.4.1 Removing the Upper Cover ............................................................................................................................................................................3-2
3.1.5 Front Cover .................................................................................................................................................................................. 3-3
3.1.5.1 Preparation for Removing the Front Cover.....................................................................................................................................................3-3
3.1.5.2 Removing the Front Cover..............................................................................................................................................................................3-3
3.1.6 Delivery Tray ............................................................................................................................................................................... 3-4
3.1.6.1 Removing the Delivery Auxiliary Tray ..........................................................................................................................................................3-4
3.1.7 Pickup Tray .................................................................................................................................................................................. 3-4
3.1.7.1 Preparation for Removing the Pickup Tray Unit ............................................................................................................................................3-4
3.1.7.2 Removing the Pickup Tray Unit .....................................................................................................................................................................3-4
3.1.8 Drive Unit .................................................................................................................................................................................... 3-5
3.1.8.1 Preparation for Removing the Drive Belt .......................................................................................................................................................3-5
3.1.8.2 Removing the Drive Belt ................................................................................................................................................................................3-5
3.1.9 Main Drive Unit ........................................................................................................................................................................... 3-6
3.1.9.1 Preparation for Removing the Main Motor.....................................................................................................................................................3-6
3.1.9.2 Removing the Main Motor..............................................................................................................................................................................3-6
3.1.10 Engine controller board.............................................................................................................................................................. 3-8
3.1.10.1 Preparation for Removing the Engine Controller PCB.................................................................................................................................3-8
3.1.10.2 Removing the Engine Controller PCB..........................................................................................................................................................3-8
3.1.11 Main Controller PCB ................................................................................................................................................................. 3-9
3.1.11.1 Preparation for Removing the Main Controller PCB....................................................................................................................................3-9
3.1.11.2 Removing the Main Controller PCB.............................................................................................................................................................3-9
3.1.12 Relay Board ............................................................................................................................................................................... 3-9
3.1.12.1 Preparation for Removing the Memory Contact Unit...................................................................................................................................3-9
3.1.12.2 Removing the Memory Contact Unit............................................................................................................................................................3-9
3.1.13 Top sensor ................................................................................................................................................................................ 3-12
3.1.13.1 Preparation for Removing the Paper Leading Edge Sensor........................................................................................................................3-12
3.1.13.2 Removing the Paper Leading Edge Sensor .................................................................................................................................................3-12
3.1.14 Sensor Boade ........................................................................................................................................................................... 3-13
3.1.14.1 Preparation for Removing the Sensor PCB.................................................................................................................................................3-13
3.1.14.2 Removing the Sensor PCB..........................................................................................................................................................................3-13
3.2 LASER EXPOSURE SYSTEM...................................................................................................................................3-14
3.2.1 Laser Scanner Unit..................................................................................................................................................................... 3-14
3.2.1.1 Preparation for Removing the Laser Scanner Unit .......................................................................................................................................3-14
3.2.1.2 Removing the Laser Scanner Unit ................................................................................................................................................................3-14
3.3 IMAGE FORMATION SYSTEM ...............................................................................................................................3-15
3.3.1 Transfer Charging Roller ........................................................................................................................................................... 3-15
3.3.1.1 Removing the Transfer Roller.......................................................................................................................................................................3-15
3.4 PICKUP AND FEEDING SYSTEM ...........................................................................................................................3-15
3.4.1 Pickup Unit ................................................................................................................................................................................ 3-15
3.4.1.1 Preparation for Removing the Pickup Unit ...................................................................................................................................................3-15
3.4.1.2 Removing the Pickup Unit ............................................................................................................................................................................3-15
3.4.2 Cassette Pickup Roller ............................................................................................................................................................... 3-16
Contents