Canon DADF-AV1, Service Manual

Page: 76 / 115

Basic Adjustment
Overview of Adjustment
The DADF has the following adjustment items. The following is the order of adjustment.
No. Adjustment Items
1 Adjusting the Height
2 Adjusting the Perpendicularity
3 Adjusting the Read Position
4 Adjusting the Magnification
5 Adjusting the Image Position (Main Scanning Direction)
6 Adjusting the Image Position (Sub Scanning Direction)
7 Adjusting the White Level
Adjusting the Height
■ Check the Left Hinge Height
● When Visual Check
1. Close the DADF and check whether the front and rear ADF scan glass spacers are in close contact with the ADF
scan glass.
NOTE:
If visual check is difficult, perform the check with reference to "When Check with the Paper".
5. Adjustment
70