Canon DADF-P1 Service Manual page 11

3.5.4.2 Removing the Document Placement Sensor ............................................................................ 3- 30
3.5.5 Document Length sensor ...................................................................................................................... 3- 30
3.5.5.1 Removing the Document Length Sensor .................................................................................... 3- 30
3.5.6 Pressurization Solenoid......................................................................................................................... 3- 31
3.5.6.1 Removing the Rear Cover............................................................................................................. 3- 31
3.5.6.2 Removing the Pressurization Solenoid (Roller Release Solenoid)......................................... 3- 31
3.5.7 ADF Driver PCB ..................................................................................................................................... 3- 31
3.5.7.1 Removing the Rear Cover............................................................................................................. 3- 31
3.5.7.2 Removing the ADF Driver PCB .................................................................................................... 3- 31
Chapter 4 Maintenance
4.1 User Maintenance........................................................................................................................................... 4- 1
4.1.1 Cleaning .................................................................................................................................................... 4- 1
4.1.2 Replacement ............................................................................................................................................ 4- 1
4.2 Maintenance and Inspection ......................................................................................................................... 4- 2
4.2.1 Periodically Replaced Parts.................................................................................................................... 4- 2
4.2.1.1 Periodically Replaced Parts ............................................................................................................ 4- 2
4.2.2 Durables..................................................................................................................................................... 4- 2
4.2.2.1 Durables ............................................................................................................................................. 4- 2
4.2.3 Periodical Servicing ................................................................................................................................. 4- 2
4.2.3.1 Periodic Service Items ..................................................................................................................... 4- 2
4.3 Adjustment ....................................................................................................................................................... 4- 2
4.3.1 Basic Adjustment...................................................................................................................................... 4- 2
4.3.1.1 Outline ................................................................................................................................................ 4- 2
4.3.1.2 Height Adjustment ............................................................................................................................ 4- 2
4.3.1.3 Perpendicularity Adjustment ........................................................................................................... 4- 3
4.3.1.4 Magnification Adjustment ................................................................................................................ 4- 4
4.3.1.5 Side Registration Adjustment ......................................................................................................... 4- 4
4.3.1.6 Leading Edge Registration Adjustment......................................................................................... 4- 4
4.3.1.7 Reading Position Adjustment.......................................................................................................... 4- 4
4.4 Outline of Electrical Components................................................................................................................. 4- 5
4.4.1 Electric Parts Layout/Functions............................................................................................................. 4- 5
4.5 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB................................. 4- 6
4.5.1 Outline ....................................................................................................................................................... 4- 6
4.5.2 ADF Driver PCB ....................................................................................................................................... 4- 6
4.5.3 Relay PCB ............................................................................................................................................... 4- 6
Chapter 5 Error Code
5.1 Service Error Code ......................................................................................................................................... 5- 1
5.1.1 Error Code List ......................................................................................................................................... 5- 1
5.2 Jam Codes....................................................................................................................................................... 5- 1
5.2.1 Jam Code List .......................................................................................................................................... 5- 1
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