Canon DADF-AV1 Service Manual page 89

1. Place the white copy paper which the user usually uses on the copyboard glass. Execute the following item in the
service mode.
COPIER > FUNCTION > CCD > DF-WLVL1
2. Press [OK] or [Yes].
Automatic adjustment starts.
3. Remove the paper from the copyboard glass and place it onto the DADF. Execute the following item in the service
mode.
COPIER > FUNCTION > CCD > DF-WLVL2
4. Press [OK] or [Yes].
Automatic adjustment starts (duplex stream reading).
5. If adjustment fails, perform steps 1 to 4 again.
6. Select the following item in the service mode to check the value, and write down the new adjustment value on the
service label.
COPIER > ADJUST > CCD > DFTAR-R
COPIER > ADJUST > CCD > DFTAR-G
COPIER > ADJUST > CCD > DFTAR-B
NOTE:
The service label affixed to the back of Reader Front Cover.
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5. Adjustment