Toshiba e-STUDIO556 Service Manual page 678

[CC50] Horizontal registration motor abnormality
Is the horizontal registration home position sensor (PI1P) working normally?
NO 

YES
Is the wiring between the finisher controller PC board and horizontal registration home
position sensor (PI1P) correct?
NO 

YES
Is there any problem with the horizontal registration mechanism?
YES  Fix the mechanism.

NO
Is the problem solved by replacing the horizontal registration motor (M2P)?
YES  END

NO
Is the problem solved by replacing the punch driver PC board?
YES  END

NO
Replace the finisher controller PC board.
e-STUDIO556/656/756/856/557/657/757/857
ERROR CODE AND TROUBLESHOOTING
Replace the sensor.
Correct the wiring.
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