Code :

Code: E537-0001
Description: The aligning plate (front) does not leave home position when the alignment motor (front) is driven for 3 sec
Causes: The alignment motor (front; M4) is faulty. The aligning plate home position sensor (front; PI4) is faulty. The finisher controller PCB is faulty.
Remedy:

Code: E537-0002
Description: The aligning plate (front) does not return to home potion when the alignment motor (front) is driven for 3 sec
Causes: The alignment motor (front; M4) is faulty. The aligning plate home position sensor (front; PI4) is faulty. The finisher controller PCB is faulty.
Remedy:

Code: E540-0001
Description: The paper surface sensor remains unchanged 10 sec after the tray ascent/ descent motor is driven
Causes: The paper surface sensor (PI9) is faulty. The tray ascent/descent motor clock sensor (PI17) is faulty. The tray upper limit sensor (PI15) is faulty. The tray ascent/descent motor (M6) is faulty. The finisher controller PCB is faulty.
Remedy:

Code: E540-0002
Description: The tray upper sensor goes ON while the tray is moving up.
Causes: The paper surface sensor (PI9) is faulty. The tray ascent/descent motor clock sensor (PI17) is faulty. The tray upper limit sensor (PI15) is faulty. The tray ascent/descent motor (M6) is faulty. The finisher controller PCB is faulty.
Remedy:

Code: E540-0003
Description: The clock for the clock sensor is disrupted for 10 sec or more while the tray ascent/descent motor is driven
Causes: The paper surface sensor (PI9) is faulty. The tray ascent/descent motor clock sensor (PI17) is faulty. The tray upper limit sensor (PI15) is faulty. The tray ascent/descent motor (M6) is faulty. The finisher controller PCB is faulty.
Remedy:

Code: E577-0000
Description: The return roller does not reach home position when the delivery motor (Ml) has been driven as much as will move it to the return roller home position sensor (S3)
Causes: The delivery motor (M1) or the finisher controller PCB is faulty. The return roller home position sensor (S3) is faulty, the harness connector is disconnected, or an open circuit exits. The delivery motor relay harness is faulty. The return roller is faulty.
Remedy:

Code: E577-0001
Description: The paddle does not leave home position when the paddle motor is driven for 2 sec or more
Causes: The paddle home position sensor (PI2) is faulty. The stack ascent/descent home point sensor Pixx0 is faulty. The paddle motor (M2) is faulty. The finisher controller PCB is faulty.
Remedy:

Code: E577-0002
Description: The paddle does not return to home position when the paddle motor is driven for 2 sec or more
Causes: The paddle home position sensor (PI2) is faulty. The stack ascent/descent home point sensor Pixx0 is faulty. The paddle motor (M2) is faulty. The finisher controller PCB is faulty.
Remedy: