Canon iR1435
Adjustment. Actions when Replacing the Copyboard Glass Unit 2
Automatic White Level Adjustment
CAUTION:
The adjustment is to match white level by stream reading with white level by copyboard reading. It may occur following error without the adjustment.
• Inappropriate background density of images in stream reading
• Dust detection error in stream reading
- Enter the setting value for each on following service mode.
• COPIER > ADJUST > CCD > DFTAR-R = 209
• COPIER > ADJUST > CCD > DFTAR-G = 309
• COPIER > ADJUST > CCD > DFTAR-B = 307
• COPIER > ADJUST > CCD > DFTAR-BW = 315 - Set white paper used by user as usual on the copyboard glass unit and then close the ADF unit.
- Select following service mode.
• COPIER > FUNCTION > CCD > DF-WLVL1 - Press OK key and then the automatic adjustment is executed. After the automatic adjustment, "executing" disappears.
- Remove the paper from the copyboard glass unit and then set it on the document tray of the ADF Unit.
- Select following service mode.
• COPIER > FUNCTION > CCD > DF-WLVL2 - Press OK key and then the automatic adjustment is executed. After the automatic adjustment, "executing" disappears.
- Test copy with paper used by user as usual. When image error occurs, readjust procedure from 1) to 7).
- Set white paper used by user as usual on the copyboard glass unit and then close the ADF unit.
- Select following service mode.
• COPIER > FUNCTION > CCD > DF-WLVL3 - Press OK key and then the automatic adjustment is executed. After the automatic adjustment, "executing" disappears.
- Remove the paper from the copyboard glass unit and then set it on the document tray of the ADF Unit.
- Select following service mode.
• COPIER > FUNCTION > CCD > DF-WLVL4 - Press OK key and then the automatic adjustment is executed. After the automatic adjustment, "executing" disappears.
- Test copy with paper used by user as usual. When image error occurs, readjust procedure from 9) to 14).
- Exit service mode.