Tray Pre-Eject Sensor Unreached Paper Jam

After turning ON the Registration Roller Clutch, the Tray Pre-Eject Sensor does not turn ON after the specified time has elapsed

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	Tray Pre-Eject SensorOperation Check 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 4	Go to step 3
3	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
4	Check the operation of the Duplex Paper Switching Solenoid Check the operation of the applicable solenoid and paper path switching flap using the diagnostic function. Judgment: Is flap operation normal?	Go to step 5	Check the solenoid connection Replace the unit
5	Check the paper feed rollers for deformation and wear Are the rollers listed in the “Related parts” section deformed or worn?	Replace the Belt Unit or Replace the Post-Belt 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 Unreached Paper Jam