Canon Finisher-AB1 Service Manual page 209

4.2.9 Inside Cover (Upper) .................................................................................................4-7
4.2.10 Inside Cover (Lower) ...............................................................................................4-7
4.3 Drive System...................................................................................................... 4-8
4.3.1 Staple Unit ...................................................................................................................4-8
4.3.2 Saddle Staple Unit .....................................................................................................4-8
4.3.3 Front Alignment Motor ...............................................................................................4-9
4.3.4 Rear Alignment Motor .............................................................................................4-10
4.3.5 Tray Shift Motor ........................................................................................................4-12
4.3.6 Shift Motor .................................................................................................................4-13
4.3.7 Positioning Plate Unit ..............................................................................................4-17
4.3.8 Belt Controller Unit ...................................................................................................4-17
4.4 Document Feeding System ........................................................................... 4-20
4.4.1 Engaging Roller ........................................................................................................4-20
4.4.2 Stack Delivery Roller ...............................................................................................4-21
4.4.3 Process Tray Assembly ..........................................................................................4-23
4.4.4 Process Tray .............................................................................................................4-24
4.4.5 Feed Belt ...................................................................................................................4-25
4.4.6 Paddle Unit ................................................................................................................4-27
4.4.7 Paddle ........................................................................................................................4-27
4.4.8 Tray Unit ....................................................................................................................4-27
4.4.9 Saddle Unit ................................................................................................................4-31
4.4.10 No.1 Flapper ...........................................................................................................4-33
4.4.11 No.2 Flapper ...........................................................................................................4-35
4.4.12 Thrust Unit ...............................................................................................................4-35
4.4.13 Thrust Plate .............................................................................................................4-36
4.4.14 Pressing Unit ..........................................................................................................4-37
4.4.15 Pressing Roller Unit ...............................................................................................4-40
4.4.16 Folding Roller ..........................................................................................................4-43
4.5 Electrical System............................................................................................. 4-47
4.5.1 Finisher Controller PCB ..........................................................................................4-47
4.5.2 Static Charge Eliminator .........................................................................................4-47
4.5.3 Horizontal Registration Sensor Unit ......................................................................4-50
Chapter 5 Maintenance
5.1 User Maintenance ............................................................................................. 5-1
5.1.1 User Maintenance Items (finisher) .......................................................................... 5-1
5.1.2 User Maintenance Item (saddle stitcher) ............................................................... 5-1
5.2 Maintenance and Inspection ........................................................................... 5-2
5.2.1 Periodically Replaced Parts .....................................................................................5-2
5.2.1.1 Periodically Replaced Parts in the Finisher...................................................................... 5-2
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