Canon LBP5000 Series Service Manual page 77

Contents
3.1 Before Parts Replacement ..............................................................................................................................................3-1
3.1.1 Outline.......................................................................................................................................................................................... 3-1
3.2 EXTERNAL AND CONTROLS SYSTEM ..................................................................................................................3-2
3.2.1 Rear Cover ................................................................................................................................................................................... 3-2
3.2.1.1 Preparation for Removing the Rear Cover......................................................................................................................................................3-2
3.2.1.2 Removing the Rear Cover ...............................................................................................................................................................................3-2
3.2.1.3 Removing the Rear Cover ...............................................................................................................................................................................3-2
3.2.2 Right Cover .................................................................................................................................................................................. 3-2
3.2.2.1 Preparation for Removing the Right Cover / Right Cassette Cover ...............................................................................................................3-2
3.2.2.2 Removing the Right Cover / Right Cassette Cover ........................................................................................................................................3-2
3.2.2.3 Removing the Right Cover/Right Cassette Cover ..........................................................................................................................................3-3
3.2.3 Left Cover .................................................................................................................................................................................... 3-4
3.2.3.1 Preparation for Removing the Left Cover / Left Cassette Cover....................................................................................................................3-4
3.2.3.2 Removing the Left Cover / Left Cassette Cover .............................................................................................................................................3-4
3.2.3.3 The former procedure of removing the Left Cover/Left Cassette Cover........................................................................................................3-4
3.2.3.4 Removing the Left Cover/Left Cassette Cover ...............................................................................................................................................3-4
3.2.4 Upper Cover................................................................................................................................................................................. 3-5
3.2.4.1 Preparation for Removing the Upper Cover ...................................................................................................................................................3-5
3.2.4.2 Removing the Upper Cover ............................................................................................................................................................................3-5
3.2.4.3 The former procedure of removing the Upper Cover ....................................................................................................................................3-5
3.2.4.4 Removing the Upper Cover ............................................................................................................................................................................3-5
3.2.5 Front Cover .................................................................................................................................................................................. 3-5
3.2.5.1 Preparation for Removing the Front Cover.....................................................................................................................................................3-5
3.2.5.2 Removing the Front Cover..............................................................................................................................................................................3-5
3.2.5.3 The former procedure of removing the Front Cover......................................................................................................................................3-6
3.2.5.4 Removing the Front Cover..............................................................................................................................................................................3-6
3.2.6 Delivery Tray ............................................................................................................................................................................... 3-7
3.2.6.1 Removing the Delivery Tray...........................................................................................................................................................................3-7
3.2.6.2 Removing the Delivery Tray...........................................................................................................................................................................3-7
3.2.7 Face-down Cover ......................................................................................................................................................................... 3-7
3.2.7.1 Preparation for Removing the Face-Down Cover...........................................................................................................................................3-7
3.2.7.2 Removing the Face-Down Cover....................................................................................................................................................................3-7
3.2.7.3 The former procedure of removing the Face-Down Cover.............................................................................................................................3-7
3.2.7.4 Removing the Face-Down Cover....................................................................................................................................................................3-7
3.2.8 Main Drive Unit ........................................................................................................................................................................... 3-8
3.2.8.1 Preparation for Removing the Main Drive Assembly.....................................................................................................................................3-8
3.2.8.2 Removing the Main Drive Assembly..............................................................................................................................................................3-8
3.2.8.3 The former procedure of removing the Main Drive Assembly.....................................................................................................................3-10
3.2.8.4 Removing the Main Drive Assembly............................................................................................................................................................3-10
3.2.9 Duplexing Drive Unit ................................................................................................................................................................ 3-12
3.2.9.1 Preparation for Removing the Duplexing Drive Assembly ..........................................................................................................................3-12
3.2.9.2 Removing the Duplexing Drive Assembly ...................................................................................................................................................3-12
3.2.10 Main Motor .............................................................................................................................................................................. 3-12
3.2.10.1 Preparation for Removing the Main Motor.................................................................................................................................................3-12
3.2.10.2 Removing the Main Motor..........................................................................................................................................................................3-13
3.2.10.3 The former procedure of removing the Main Motor...................................................................................................................................3-13
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
Contents