Pre-Printing Paper Sensor paper feed delay error

Error code
  • 52 Pre-Printing Paper Sensor paper feed delay error
Occurrence condition
  • The Pre-Printing Paper Sensor is already ON when sensor check begins.
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
  • Mechanical control board failure
Related parts
  • Pre-Printing Paper 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 the Pre-Printing Paper Sensor installed improperly? Is there dirt on the sensor? Is the connector not fully inserted?

Is the relay connector on the Front Frame side not fully inserted?

Clean the sensor surface, or fully insert the connector.

Replace sequentially

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