Removing The Adf Scan Glass - Canon H1 Service Manual

4
Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the ADF Scan Glass
2. Enter the service mode, and then select the following:
(Lv.1) COPIER> FUNCTION> CCD> DF-WLVL1/2/3/4 (DF white level adjustment)
1) Place a sheet of paper that the user usually uses on the platen glass, enter the following
servicemode.
(Lv.1) COPIER> FUNCTION> CCD> DF-WLVL1
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 following
servicemode.
(Lv.1) COPIER> 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 following
servicemode.
(Lv.1) COPIER> FUNCTION> CCD> DF-WLVL3
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 following
servicemode.
(Lv.1) COPIER> 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 Parts Replacement and Cleaning Procedure > Original Exposure System (Reader) > Removing the ADF Scan Glass

Removing the ADF Scan Glass

<Procedure>
1) Open the platen cover (platen board cover/ADF).
2) Remove the glass retainer.
• 2 screws
3) Remove the ADF scan glass.
x2
4-5
F-4-10
4-5