1st Tray Pre-Eject Sensor Unreached Paper Jam

1st Tray Pre-Eject Sensor does not turn on after the specified time has elapsed since the Registration Roller Clutch is turned on.

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 paper feed rollers/sensors 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 1st Tray Pre-Eject Sensor Check the operation of the 1st Tray Pre-Eject Sensor with the diagnostic function. 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 1st Paper Eject Tray Pre-Eject Sensor installation and connector connection Is the 1st Paper Eject Tray Pre-Eject Sensor installed improperly? Is the connector not fully inserted?	Fully insert the connectors.	Replace sequentially Sensors Mechanical control 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 D3 Unit	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. Is there any abnormal noise?	Replace the gear trains	Replace the mechanical control board

# 1st Tray Pre-Eject Sensor Unreached Paper Jam