Canon DADF-AA1 Service Manual page 85

Contents
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
Contents