TABLE OF CONTENTS
Revision Lists........................................................................................................................................................1
Safety and Symbols............................................................................................................................................2
Trademarks.....................................................................................................................................................2
The Aim of Anti-tip Components and Precautions.......................................................................................3
1. Replacement and Adjustment
Exterior Covers....................................................................................................................................................7
Rear Upper Cover, Rear Lower Cover, Upper Cover, Upper Right Cover...............................................7
Front Cover, Front Left Side Cover, Front Inner Cover................................................................................9
Paper Exit Cover..........................................................................................................................................11
Lower Tray....................................................................................................................................................12
Proof Tray.....................................................................................................................................................12
Upper Tray...................................................................................................................................................13
End Fence (D688 Only)..............................................................................................................................13
Left Cover (D689 Only)..............................................................................................................................16
Boards...............................................................................................................................................................19
Main Board..................................................................................................................................................19
When replacing the main board.......................................................................................................19
Corner Stapling Unit........................................................................................................................................21
Corner Stapling Unit....................................................................................................................................21
Stacking Roller Motor..................................................................................................................................25
Stacking Roller HP Sensor...........................................................................................................................26
Leading Edge Guide Motor........................................................................................................................28
Leading Edge Guide HP Sensor.................................................................................................................28
Trailing Edge Pressure Plate Motor............................................................................................................29
Trailing Edge Pressure Plate HP Sensor.....................................................................................................30
Shift Tray Paper Sensor...............................................................................................................................31
Feed Out Motor...........................................................................................................................................33
Feed Out Guide HP Sensor.........................................................................................................................33
Jogger Motor...............................................................................................................................................34
Jogger HP Sensor.........................................................................................................................................35
Shift Tray Exit Sensor...................................................................................................................................36
Staple Tray Paper Sensor............................................................................................................................37
Main Unit..........................................................................................................................................................39
4