After Replacing The Copyboard Glass; After Replacing The Scanner Unit (Front) - Canon imageRUNNER ADVANCE C255 Series Service Manual

4. Set/register the data again.
Set/register the data again by referring to the list that was printed before replacement.
5. When an encryption key/certificate/CA certificate has been generated or added by the user, ask the user to execute
regeneration.
6. Execute auto gradation adjustment.
• For Reader/ ADF model
Settings/Registration > Adjustment/Maintenance > Adjust Image Quality > Auto Adjust Gradation > Full Adjust
• For Printer model
Settings/Registration > Adjustment/Maintenance > Adjust Image Quality > Auto Adjust Gradation > Quick Adjust

After Replacing the Copyboard Glass

■ Aftter Replacing
1. Enter the value (XXXXYYYYZZZZ) shown on the Barcode Label affixed at the upper right of the Copyboard.
COPIER > ADJUST > CCD > W-PLT-X
COPIER > ADJUST > CCD > W-PLT-Y
COPIER > ADJUST > CCD > W-PLT-Z
CAUTION:
Be sure to make the white plate data adjustment before ADF white level adjustment.
2. Scanner Unit white level adjustment
COPIER > FUNCTION > CCD > CL-AGC
3. ADF white level adjustment
1. Place an A4 or LTR size paper on the Copyboard Glass and execute the service mode.
COPIER > FUNCTION > CCD > DF-WLVL1
2. Place an A4 or LTR size paper on the ADF and execute the service mode.
COPIER > FUNCTION > CCD > DF-WLVL2
4. Write the values on the service label for the Reader (back side of the Front door).
COPIER > ADJUST > CCD > W-PLT-X
COPIER > ADJUST > CCD > W-PLT-Y
COPIER > ADJUST > CCD > W-PLT-Z

After Replacing the Scanner Unit (Front)

■ Works After Replacement
1. Execute the following service mode to perform automatic adjustment of the reader shading position.
COPIER > FUNCTION > INSTALL > RDSHDPOS
2. Execute the following service mode to perform the black and white reference level adjustment for the Scanner Unit.
COPIER > FUNCTION > CCD > CL-AGC
3. Execute the following service mode to perform automatic adjustment of the reading position during DADF reading.
COPIER > FUNCTION > INSTALL > STRD-POS
4. 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
W-PLT-Z
W-PLT-X
W-PLT-Y
310
5. Adjustment