Canon DADF-M1 Service Manual page 106

Contents
4.1 User Maintenance ...................................................................................................... 4-1
4.1.1 Cleaning .............................................................................................................. 4-1
4.1.2 Replacement........................................................................................................ 4-2
4.2 Maintenance and Inspection ...................................................................................... 4-3
4.2.1 Periodically Replaced Parts ................................................................................ 4-3
4.2.1.1 Periodically Replaced Parts.......................................................................... 4-3
4.2.2 Durables .............................................................................................................. 4-3
4.2.2.1 Durables ....................................................................................................... 4-3
4.2.3 Periodical Servicing ............................................................................................ 4-4
4.2.3.1 Scheduled Servicing Chart ........................................................................... 4-4
4.2.4 Cleaning .............................................................................................................. 4-8
4.2.4.1 Parts of the ADF........................................................................................... 4-8
4.2.4.2 Rollers and Guides ....................................................................................... 4-9
4.2.4.3 Sensors ....................................................................................................... 4-16
4.2.4.4 Applying Silicone Oil to the Reading Glass (copyboard glass)................. 4-21
4.3 Adjustment ............................................................................................................... 4-24
4.3.1 Basic Adjustment ..............................................................................................4-24
4.3.1.1 Overview .................................................................................................... 4-24
4.3.1.2 Angle Guide (angle of opening at 90 deg) ................................................. 4-25
4.3.1.3 Sensor Output ............................................................................................. 4-25
4.3.1.4 Tray Width ................................................................................................. 4-26
4.3.1.5 Eliminating the Tilt .................................................................................... 4-27
4.3.1.6 Height ......................................................................................................... 4-29
4.3.1.7 Right Angle ................................................................................................ 4-30
4.3.1.8 Angle Guide (angle of opening of 70 deg)................................................. 4-33
4.3.1.9 Magnification ............................................................................................. 4-34
4.3.1.10 Horizontal Registration ............................................................................ 4-36
4.3.1.11 Leading Edge Registration ....................................................................... 4-39
4.3.1.12 White Level .............................................................................................. 4-40
4.3.1.13 Adjusting the Hinge Pressure ................................................................... 4-41
4.3.2 Adjustment at Time of Parts Replacement ........................................................4-42
4.3.2.1 Overview .................................................................................................... 4-42
4.3.2.2 After Replacing the Reader Controller PCB .............................................. 4-43
4.4 Outline of Electrical Components............................................................................ 4-46
4.4.1 Sensors .............................................................................................................. 4-46
4.4.2 Motors, Clutches, Solenoids, PCBs, and Others............................................... 4-47
Contents