Action To Take When Replacing The Cis Unit - Canon imageRUNNER 2530 Service Manual

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Parts Replacement and Cleaning > Main Units/Parts > Removing the Platen Glass
7) Remove the CIS unit.
•
Flexible cable
CAUTION:
When installing or removing the contact sensor unit, do not touch the light guide
and rod lens array.
Rod lens array
4 Parts Replacement and Cleaning > Main Units/Parts > Removing the Platen Glass
F-4-62 F-4-62
Light guide
F-4-63 F-4-63

Action to Take When Replacing the CIS Unit

After replacing the CIS unit, make the following adjustments:
CIS white level automatic adjustment
1) Enter the service mode.
SCAN > READER > FUNCTION > CCD > CCD-ADJ
2) Click the [OK] button.
When this step is complete, the contact sensor output is adjusted and parameters are set
automatically.
3) After completion of automatic adjustment, "OK" is displayed.
DF white level adjustment (platen board cover scan/stream reading
scan)
CAUTION:
Make this adjustment when the DADF is installed.
1) 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.)
2) 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.)
3) 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.)
4) 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.)
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