Removing The Platen Glass; Action To Take After Replacing The Platen Glass - Canon imageRUNNER 2530 Service Manual

4
Parts Replacement and Cleaning > Main Units/Parts > Removing the ADF Scan Glass

Removing the Platen Glass

1) Open the platen cover (platen board cover/ADF).
2) Remove the glass retainer.("Removing the Platen Glass"(page 4-19).
•
2 screws
x2
CAUTION:
When removing the platen glass, take care not to touch the following
parts with your fingers:
•
Glass surface
•
Standard white plate
Soils on these parts may cause white/black lines on images.
If they are soiled, clean them with a lint-free paper moistened with alcohol.
4 Parts Replacement and Cleaning > Main Units/Parts > Removing the ADF Scan Glass

Action to Take after Replacing the Platen Glass

Take the action stated below in the service mode.
)
CAUTION:
Be sure to make the white plate data adjustment before ADF white level adjustment.
1.Enter the value indicated on the platen glass in the following service mode:
SCAN > READER > ADJUST > CCD > W-PLT-X/Y/Z (Input of standard white plate data)
2.Enter the service mode, and then select the following:
SCAN > READER > FUNCTION > CCD > DF-WLVL1/2/3/4 (DF white level adjustment)
F-4-64 F-4-64
1)
2)
3)
4)
F-4-65 F-4-65
W-PLT-X
W-PLT-Y
Place a sheet of paper that the user usually uses on the platen glass, enter the
service mode, and then select SCAN > READER > FUNCTION > CCD > DFWLVL1.
Read the white level in the BOOK mode. (Check the transparency of the glass for
BOOK mode.)
Place a sheet of paper that the user usually uses on the DF, enter the service mode,
and then select SCAN > READER > FUNCTION > CCD > DF-WLVL2.
Read the white level in the DF mode (stream reading). (Check the transparency of
the glass for stream reading.)(Read both sides of the chart.)
Place a sheet of paper that the user usually uses on the platen glass, enter the
service mode, and then select SCAN > READER > FUNCTION > CCD > DFWLVL3.
Read the white level in the BOOK mode. (Check the transparency of the glass for
BOOK mode.)
Place a sheet of paper that the user usually uses on the DF, enter the service mode,
and then select SCAN > READER > FUNCTION > CCD > DF-WLVL4.
Read the white level in the DF mode (stream reading). (Check the transparency of
the glass for stream reading.)(Read both sides of the chart.)
4-32
W-PLT-Z
F-4-66 F-4-66
4-32