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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)
■ Works After Replacement
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
3. Paper back shading correction 2
Place the White Plate included with the package by aligning it with the jumping platform, close the ADF, and execute
the following service mode.
COPIER > FUNCTION > CCD > BK-SHD2
4. Cleaning the reading side 2
Remove the White Plate and perform the cleaning again.
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.
5. Paper back shading correction 3
Close the ADF, and execute the following service mode.
COPIER > FUNCTION > CCD > BK-SHD3
4. In the following service modes, enter the values shown on the label included with the Scanner Unit.
COPIER > ADJUST > CCD > MTF3-xxx
5. Execute the following service mode to calculate the MTF filter coefficient.
COPIER > FUNCTION > CCD > MTF-CLC
6. In the following menu, execute the auto gradation adjustment.
Settings/Registration > Adjustment > Adjustment/Maintenance > Adjust Image Quality > Auto Adjust Gradation > Full Adjust
7. 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 > MTF3-xxx
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5. Adjustment
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