ADF / Scanner Trouble

Image failure
Symptom Confirmation and action Parts replacement / Adjustment
Dark lines(excluding printing from PC)

If the problem persists after the cleaning, replace the following:

  • ADF Unit
  • SCN Unit
  • ADF CIS Module
  • SCN CIS Module
  • ADF Board
  • SCN Board
Dark lines(excluding printing from PC)

If the problem persists after the cleaning, replace the following:

  • ADF Unit
  • SCN Unit
  • ADF CIS Module
  • SCN CIS Module
  • ADF Board
  • SCN Board
Color defect (excluding printing from PC)

If the problem persists after the cleaning, replace the following:

  • ADF Unit
  • SCN Unit
  • ADF CIS Module
  • SCN CIS Module
  • ADF Board
  • SCN Board
Part or the whole of the image is not read

If the size of the scanned document does not match the size recognized by the printer, there is possibility the SCN document size sensor failure.

If the problem persists after the cleaning, replace the following:

  • ADF Unit
  • SCN Unit
  • ADF CIS Module
  • SCN CIS Module
  • ADF Board
  • SCN Board
The scanned image is too faint

If the problem persists after the cleaning, replace the following:

  • ADF Unit
  • SCN Unit
  • ADF CIS Module
  • SCN CIS Module
The scanned image is skewed to the paper fed from the ADF input tray
  • Check that the height of the ADF is appropriate for the document placed.

  • Check that the ADF is installed parallel to the document placed.

Perform the ADF unit tilt check.
If image is still skew after the ADF unit tilt check, replace the ADF Unit.

Other print quality problems occurred only when copying

  1. Cleaning the document scanning glass

  2. Reconnect the SCN cables

If the problem persists after treatment, replace the SCN Unit.

Transport Failure
Symptom Confirmation and action Parts replacement / Adjustment
Multi-Feed Clean the Pickup Roller, ADF (3 places).

If the problem persists after cleaning, replace the Pickup Roller, ADF

Manuscript fold Check if there is any foreign substances or damage in the ADF transport path.

After cleaning the inside of the path, replace the ADF unit if any damage is found.

Paper jam occurs frequently in fed from the ADF input tray
  • Check that the ADF is closed properly.

  • Clean the Pickup Roller, ADF (3 places).

  • Clean the ADF transport path.

  • Clean the surface of the Pickup Roller.

  • Clean the retard cover separation pad.

  • Clean the document support cork.

If the problem persists after the treatment, replace the pickup roller.