e-STUDIO556/656/756/856(Ver03) © 2012 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
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[CB90] Paper pushing plate motor abnormality
Replace the finisher controller PC board.
Replace the punch driver PC board.
[Procedure 1]
Is the paper pushing plate home position sensor (PI14S) working normally?
NO Replace the sensor.
YES
Is the paper pushing plate motor (M8S) operating at the fixed timing?
YES Replace the saddle stitcher controller PC board.
NO
Is the paper pushing plate drive mechanism normal?
NO Fix the mechanism.
YES
Is the problem solved by replacing the paper pushing plate motor (M8S)?
NO Replace the saddle stitcher controller PC board.
YES
END
[Procedure 2]
Is the paper pushing plate top position sensor (PI15S) working normally?
NO Replace the sensor.
YES
Is the paper pushing plate motor (M8S) operating at the fixed timing?
YES Replace the saddle stitcher controller PC board.
NO
Is there any problem with the paper pushing plate drive mechanism?
YES Fix the mechanism.
NO
Is the problem solved by replacing the paper pushing plate motor (M8S)?
NO Replace the saddle stitcher controller PC board.
YES
END
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