Pre-Printing Paper Sensor Jam (Paper remaining)

Error code
  • 76 Pre-Printing Sensor Jam (Paper remaining)
Occurrence condition
  • Pre-Printing Paper Sensor detects remaining paper.
Assumed cause
  • Foreign objects or pieces of paper in the paper transport path
  • The Pre-Printing Paper Sensor has a dirty surface, has fallen off, or is faulty
  • The Anti-Static Unit has fallen off
  • MCU board failure
Related parts
  • Pre-Printing Sensor
  • ANTI STATIC,BRUSH,ASSY
Troubleshooting
Step Confirmation and action YES NO
1

Check paper transport path

Is there any foreign matter, paper chips, etc. in the paper transport path?

Remove any foreign objects or pieces of paper

Go to step 2

2

Check the operation of the Pre-Printing Paper Sensor

Check the operation of the Pre-Printing Paper Sensor with the diagnostic function.

Does the signal change between when the paper is placed and when it is not?

End Go to step 3
3

Check the Pre-Printing Paper Sensor for installation, dirt, and connector connection

Is there any problem with the installation of the Pre-Printing Paper Sensor Is there dirt on the sensor? Is the connector not fully inserted?

Is the paper feed connector on the front frame side not inserted halfway?

Clean the sensor surface, or fully insert the connector.

Replace sequentially

  • Pre-Printing Paper Sensor
  • Anti-Static Unit (ANTI STATIC, BRUSH, ASSY)
  • MCU board