Table of Contents
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2.8.1.1 Outline.................................................................................................................................................................................... 2- 36
2.8.2 DC Controller......................................................................................................................................................... 2- 36
2.8.2.1 Outline.................................................................................................................................................................................... 2- 36
2.8.2.2 Operation of Individual Blocks ............................................................................................................................................... 2- 37
2.8.2.3 Fan/Motor Control .................................................................................................................................................................. 2- 38
2.8.2.4 Fan/Motor Control .................................................................................................................................................................. 2- 38
2.8.2.5 Main Motor Fault Detection.................................................................................................................................................... 2- 38
2.8.2.6 Fan Motor Fault Detection ..................................................................................................................................................... 2- 38
2.8.3 Video Controller PCB ............................................................................................................................................ 2- 38
2.8.3.1 Outline.................................................................................................................................................................................... 2- 38
2.8.3.2 Overview of the Block ............................................................................................................................................................ 2- 39
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
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