Canon imageRUNNER 1435

Automatic White Level Adjustment

CAUTION:

1. The adjustment is executed when ADF is installed.
2. 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

1. 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
2. Set white paper used by user as usual on the Copyboard glass unit and then close the ADF unit.
3. Select following service mode.
   • COPIER > FUNCTION > CCD > DF-WLVL1
4. Press OK key and then the automatic adjustment is executed. After the automatic adjustment, "executing" disappears.
5. Remove the paper from the copyboard glass unit and then set it on the document tray of the ADF Unit.
6. Select following service mode.
   • COPIER > FUNCTION > CCD > DF-WLVL2
7. Press OK key and then the automatic adjustment is executed. After the automatic adjustment, "executing" disappears.
8. Check the setting value is changed. When it is not changed, readjust from procedure 1) to 7).
9. Test copy with paper used by user as usual. When image error occurs, readjust procedure from 1) to 8).
10. Set white paper used by user as usual on the copyboard glass unit and then close the ADF unit.
11. Select following service mode. • COPIER > FUNCTION > CCD > DF-WLVL3
12. Press OK key and then the automatic adjustment is executed. After the automatic adjustment, "executing" disappears.
13. Remove the paper from the copyboard glass unit and then set it on the document tray of the ADF Unit.
14. Select following service mode.
    • COPIER > FUNCTION > CCD > DF-WLVL4
15. Press OK key and then the automatic adjustment is executed. After the automatic adjustment, "executing" disappears.
16. Check the setting value is changed. When it is not changed, readjust from procedure 10) to 15).
17. Test copy with paper used by user as usual. When image error occurs, readjust procedure from 10) to 16).