Pre-Printing Paper Sensor Jam (Paper remaining)

Error code
  • 76 Pre-Printing Sensor Jam (Paper remaining)
Occurrence condition
  • The PW Sensor detected paper when the power was turned ON, when the cover was closed, when the product recovered from the power saving mode, or when the printing operation ended
Assumed cause
  • Foreign objects or pieces of paper in the paper transport path
  • Pre-Printing Sensor has a dirty surface, has fallen off, or is faulty
  • The Anti Static Brush has fallen off
  • MCU board failure
Related parts
  • Pre-Printing Sensor
  • Anti Static Brush
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 foreign matter, paper fragments, etc.

Go to step 2
2

Check the operation of the Paper Sensor, Pre-Printing

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

Judgment: 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 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 the parts one by one.

  • Pre-Printing Sensor
  • Anti Static Brush
  • MCU Board