Processing After CopyOard Glass Replacement - Canon Color Image Reader - L1 Service Manual

5
Adjustmnet
Processing after Copyboard Glass Replacement
1) Input the white level data (barcode value in the copyboard glass right upper) of the stand-
ard white plate.
Lv. COPIER > ADJUST > CCD >
1 W-PLT-X W-PLT-Y
Label
2) Perform sampling of the B&W shading target.
Lv. COPIER > FUNCTION > CCD >
1 BW-TGT
3) Perform white level adjustment.
3-1) Set A4 or LTR paper in the copyboard glass, close the DADF.
CAUTION:
If white level is adjusted in the small width paper, there is possibility that it will not
adjust.
3-2) Perform service mode item.
Lv. COPIER > FUNCTION > CCD >
1 DF-WLVL1
3-3) Remove the paper from copyboard glass, set it in the DADF document pickup tray.
3-4) Perform service mode item.
Lv. COPIER > FUNCTION > CCD >
1 DF-WLVL2
5
Adjustmnet
W-PLT-Z
* 820686679349 *
W- P LT- X
W- P LT- Z
W- P LT- Y
3-5) Again, Set A4 or LTR paper in the copyboard glass, close the DADF.
3-6) Perform service mode item.
Lv. COPIER > FUNCTION > CCD >
1 DF-WLVL3
3-7) Remove the paper from copyboard glass, set it in the DADF document pickup tray.
3-8) Perform service mode item.
Lv. COPIER > FUNCTION > CCD >
1 DF-WLVL4
4) Write the value in the service label (inside the PCB cover).
Lv. COPIER > ADJUST > CCD >
SH-TRGT DFTAR-B
1 DFTAR-R DFTAR-BW
DFTAR-G -
5-7
DFTBK-R DFTBK-B
DFTBK-G DFTBK-BW
- -
5-7