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TROUBLESHOOTING
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[CCD0] Stack ejection motor abnormality
[CCE0] Rear end assist motor abnormality
[CCF0] Gear change motor abnormality
MJ-1023/1024
Is the shutter home position sensor (PI45) normal?
È NO Æ Replace the sensor.
YES
Are the wirings between the finisher controller PC board and the stack ejection motor (M32)
shutter clutch (CL31) correct?
È NO Æ Correct the wirings.
YES
Is there any problem with the shutter mechanism?
È YESÆ Fix the shutter mechanism.
NO
1) Replace the stack ejection motor and shutter clutch.
2) Replace the finisher controller PC board.
MJ-1023/1024
Is the rear end assist guide home position sensor (PI39) normal?
È NO Æ Replace the sensor.
YES
Is the wiring between the finisher controller PC board and the rear end assist motor (M39) cor-
rect?
È NO Æ Correct the wiring.
YES
Is there any problem with the rear end assist mechanism?
È YESÆ Fix the rear end assist mechanism.
NO
1) Replace the rear end assist motor.
2) Replace the finisher controller PC board.
MJ-1023/1024
Is the gear change home position sensor (PI49) normal?
È NO Æ Replace the sensor.
YES
Is the wiring between the finisher controller PC board and the gear change motor (M40) cor-
rect?
È NO Æ Correct the wiring.
YES
Is there any problem with the gear change mechanism?
È YESÆ Fix the gear change mechanism.
NO
1) Replace the gear change motor.
2) Replace the finisher controller PC board.
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