Canon Finisher-AB1 Service Manual page 72

Contents
4.1 Removing from the Host Machine .................................................................. 4-1
4.1.1 Finisher Assembly ......................................................................................................4-1
4.2 External Covers ................................................................................................. 4-2
4.2.1 Rear Lower Cover ......................................................................................................4-2
4.2.2 Rear Upper Cover ......................................................................................................4-2
4.2.3 Upper Cover Unit .......................................................................................................4-3
4.2.4 Delivery Tray ...............................................................................................................4-4
4.2.5 Stack Wall (Upper) .....................................................................................................4-5
4.2.6 Stack Wall (Lower) .....................................................................................................4-5
4.2.7 Rear Middle Cover .....................................................................................................4-6
4.2.8 Inside Cover (Upper) .................................................................................................4-6
4.2.9 Inside Cover (Lower) .................................................................................................4-7
4.3 Drive System...................................................................................................... 4-7
4.3.1 Staple Unit ...................................................................................................................4-8
4.3.2 Front Alignment Motor ...............................................................................................4-9
4.3.3 Rear Alignment Motor ...............................................................................................4-9
4.3.4 Tray Shift Motor ........................................................................................................4-11
4.3.5 Shift Motor .................................................................................................................4-12
4.3.6 Belt Controller Unit ...................................................................................................4-15
4.4 Document Feeding System ........................................................................... 4-18
4.4.1 Stack Delivery Roller ...............................................................................................4-18
4.4.2 Process Tray Assembly ..........................................................................................4-20
4.4.3 Process Tray .............................................................................................................4-21
4.4.4 Feed Belt ...................................................................................................................4-22
4.4.5 Paddle Unit ................................................................................................................4-24
4.4.6 Paddle ........................................................................................................................4-24
4.4.7 Tray Unit ....................................................................................................................4-24
4.5 Electrical System............................................................................................. 4-28
4.5.1 Finisher Controller PCB ..........................................................................................4-28
4.5.2 Static Charge Eliminator .........................................................................................4-28
4.5.3 Horizontal Registration Sensor Unit ......................................................................4-30
Contents