Tray Pre-Eject Sensor Jam

The Tray Pre-Eject Sensor does not turn off after the specified time has elapsed since the Registration Roller Clutch is turned off.

Step	Confirmation and action	YES	NO
1	Check the paper feed path and paper status Is there any foreign substances, paper chips, etc. in the paper transport path? Is there any significant warpage of the paper before printing? (Envelopes and cardboard)	Remove foreign matter, paper fragments, etc. Correct paper warpage	Go to step 2
2	Check the paper transport roller sensor for dirt and installation Are the rollers and sensors listed in “Related parts” clean and properly installed?	Go to step 3	Cleaning / reinstalling the paper transport roller sensor
3	Check the operation of the Tray Pre-Eject Sensor Check the operation of the Tray Pre-Eject Sensor using the diagnostic function. Judgment: Does the signal change between when the paper is placed and when it is not?	Go to step 5	Go to step 4
4	Check the Tray Pre-Eject Sensor installation and connector connection Is the Tray Pre-Eject Sensor normal or the connector half-inserted?	Connect securely	Replace sequentially Sensors MCU Board
5	Check the paper feed rollers for deformation and wear Are the rollers listed in the “Related parts” section deformed or worn?	Replace the worn out or deformed roller. Replace the unit containing the corresponding paper feed roller.	Go to step 6
6	Checking the operation of the paper transport motor Check the operation of the corresponding paper transport motor using the diagnostic function. Judgment: Is there any abnormal noise?	Replace the rotating component part	Replace the MCU board

# Tray Pre-Eject Sensor Jam