Canon DADF-AA1 Service Manual page 10

Contents
4.5.12.1 Removing the ADF Driver PCB .................................................................................................. 4- 18
Chapter 5 Maintenance
5.1 User Maintenance........................................................................................................................................... 5- 1
5.1.1 Cleaning .................................................................................................................................................... 5- 1
5.1.2 Replacement ............................................................................................................................................ 5- 1
5.2 Maintenance and Inspection ......................................................................................................................... 5- 2
5.2.1 Periodically Replaced Parts.................................................................................................................... 5- 2
5.2.1.1 Periodically Replaced Parts ........................................................................................................... 5- 2
5.2.2 Durables..................................................................................................................................................... 5- 2
5.2.2.1 Durables ............................................................................................................................................. 5- 2
5.2.3 Periodical Servicing ................................................................................................................................. 5- 2
5.2.3.1 Periodic Service Items ..................................................................................................................... 5- 2
5.3 Adjustment ....................................................................................................................................................... 5- 4
5.3.1 Basic Adjustment...................................................................................................................................... 5- 4
5.3.1.1 Outline ................................................................................................................................................ 5- 4
5.3.1.2 Adjusting the Height ......................................................................................................................... 5- 4
5.3.1.3 Adjusting the Perpendicularity ........................................................................................................ 5- 5
5.3.1.4 Adjusting the Read Position............................................................................................................ 5- 6
5.3.1.5 Adjusting the Horizontal Registration ............................................................................................ 5- 6
5.3.1.6 Adjusting the Trailing Edge Registration....................................................................................... 5- 6
5.3.1.7 Adjusting the Magnification ............................................................................................................. 5- 6
5.3.1.8 Adjusting the White Level ................................................................................................................ 5- 7
5.4 Outline of Electrical Components................................................................................................................. 5- 8
5.4.1 Electric Parts Layout and Functions ..................................................................................................... 5- 8
5.5 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB................................. 5- 9
5.5.1 Outline ....................................................................................................................................................... 5- 9
Chapter 6 Error Code
6.1 Service Error Code ......................................................................................................................................... 6- 1
6.1.1 Error Code List ......................................................................................................................................... 6- 1
6.2 Jam Codes....................................................................................................................................................... 6- 1
6.2.1 Jam Code List .......................................................................................................................................... 6- 1