Toshiba e-STUDIO556 Service Manual page 668

Is the wiring between the finisher controller PC board and the height sensor (PS1) correct?
YES  Correct the wiring.

NO
Is the voltage between J6-2(+) and J6-4(-) on the finisher controller PC board 5V DC?
NO 

YES
Re-adjust the height sensor. Replace the height sensor if it still causes the problem.
[Procedure 2]
Is the connector J6 on the finisher controller PC board, J114 of the height sensor (PS1) or
relay connector J212 and J213 (Only for MJ-1027/1028) disconnected?
YES  Connect the connector(s).

NO
Is the voltage between J6-2(+) and J6-4(-) on the finisher controller PC board 5V DC?
NO 

YES
Is the wiring between the finisher controller PC board and height sensor correct?
YES  Correct the wiring.

NO
Replace the height sensor.
[Procedure 3]
Is the problem solved by readjusting the DIP switch?
YES  END

NO
Is the wiring between the finisher controller PC board and height sensor (PS1) correct?
YES  Correct the wiring.

NO
Is the voltage between J6-2(+) and J6-4(-) on the finisher controller PC board 5V DC?
NO 

YES
Replace the height sensor.
[CB80] Backup RAM data abnormality
Is the problem solved by turning the power of the equipment OFF and ON?
YES  End.

NO
e-STUDIO556/656/756/856/557/657/757/857
ERROR CODE AND TROUBLESHOOTING
Replace the finisher controller PC board.
Replace the finisher controller PC board.
Replace the finisher controller PC board.
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