Pre-Head Paper Sensor paper feed delay error

Error code
  • 53 Pre-Head Paper Sensor paper feed delay error
Occurrence condition
  • The Pre-Head Paper Sensor is already ON when sensor check begins.
Assumed cause
  • Foreign objects or pieces of paper in the paper transport path
  • The Pre-Head Sensor has a dirty surface, has fallen off, or is faulty
  • The Anti Static Brush has fallen off
  • MCU board failure
Related parts
  • Pre-Head Paper 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 Pre-Head Paper Sensor

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

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

Go to step 3 Go to step 4
3

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

Is the Pre-Head Paper Sensor installed improperly? 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?

Go to step 4

Clean the sensor surface, or fully insert the connector.

4

Check the Anti Static Brush Unit installation

Is the Anti Static Brush Unit listed in the “Assumed cause” section clean and installed properly?

Replace the Anti Static Brush Unit

Clean and reinstall the Anti Static Brush Unit.