Paper Tray HP detection error

Error code

034220

Cause
  • Paper Ejection Tray Rib Upper Limit Sensor or Paper Ejection Tray Rib Lower Limit Sensor are not detected.
Assumed cause
  • Paper Tray HP Sensor failure
  • Failure of the hopper lifting mechanism
  • MCU board failure
Troubleshooting
Step Confirmation and action YES NO
1

Check harness connection

  • Judgment: Is the connector half-inserted to the sensor?

Fully insert the connectors.

 Go to step 2
2

Replace the Sensor

  • Does the error go away?
 End Go to step 3
3

Replace the Right Door Unit

  • Does the error go away?

End

Replace the MCU board