After Replacing The Scanner Unit (Back) - Canon imageRUNNER ADVANCE 715iF III Series Service Manual

8. Write down the following service mode values on the service label for the Reader (on the Front Door of the host
machine).
COPIER > ADJUST > CCD > MTF-xxx
COPIER > ADJUST > CCD > MTF2-xxx
9. In the following service mode, perform the reading start position adjustment as needed.
1. Copyboard reading
COPIER > ADJUST > ADJ-XY > ADJ-X
COPIER > ADJUST > ADJ-XY > ADJ-Y
2. ADF stream reading
COPIER > ADJUST > ADJ-XY > ADJ-S
COPIER > ADJUST > ADJ-XY > ADJ-Y-DF
COPIER > ADJUST > ADJ-XY > ADJY-DF2

After Replacing the Scanner Unit (Back)

■ Actions after Parts
1. Execute the following service mode to adjust the Scanner Unit white level.
COPIER > FUNCTION > CCD > CL-AGC
2. Follow the steps shown below to adjust the ADF white level.
1. Place an A4 or LTR size paper on the Copyboard Glass and execute the following service mode.
COPIER > FUNCTION > CCD > DF-WLVL1
2. Place an A4 or LTR size paper on the ADF and execute the following service mode.
COPIER > FUNCTION > CCD > DF-WLVL2
3. Follow the steps shown below to perform the paper back shading correction.
1. Cleaning the reading side 1
Locations for cleaning: Stream Reading Glass for front side, Stream Reading Glass for back side
Cleaning method: Clean with the light-blue cloth stored in the Reader Assembly.
2. Paper back shading correction 1
Close the ADF, and execute the following service mode.
COPIER > FUNCTION > CCD > BK-SHD1
234
5. Adjustment