Paper Width Sensor Dirt Error

Cause
  • The sensor detected paper presence when the power was turned on, when power saving was restored, and when the cover was opened and closed.
Defect-related parts
  • Paper Width Sensor
  • Harness
  • Mechanical control board
Troubleshooting
Step Confirmation and action YES NO
1

Check the status of the paper width sensor detection window

  • Is there a piece of paper or foreign matter?
 Remove any foreign objects or pieces of paper Go to step 2
2

Cleaning the paper width sensor

  • Clean the sensor unit according to the cleaning procedure.
 End End
3

Check sensor installation and connection

  • Is there any abnormality in the Front Cover Sensor or half-inserted in the connector?
 Connect them firmly.

Replace sequentially

  • Sensors
  • Mechanical control board