Toshiba e-STUDIO556 Service Manual page 671

[CBC0] Alignment motor abnormality
Is the alignment plate home position sensor (PI5S) working normally?
NO 

YES
Is the alignment motor (M5S) operating at the fixed timing?
YES  Replace the saddle stitcher controller PC board.

NO
Is the alignment plate drive mechanism normal?
NO 

YES
Is the problem solved by replacing the alignment motor (M5S)?
NO 

YES
END
[CBD0] Guide motor abnormality
Is the guide home position sensor (PI13S) working normally?
NO 

YES
Is the guide motor (M3S) operating at the fixed timing?
YES  Replace the saddle stitcher controller PC board.

NO
Is the guide plate drive mechanism normal?
NO 

YES
Is the problem solved by replacing the guide motor (M3S)?
NO 

YES
END
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Replace the sensor.
Fix the mechanism.
Replace the saddle stitcher controller PC board.
Replace the sensor.
Fix the mechanism.
Replace the saddle stitcher controller PC board.
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e-STUDIO556/656/756/856/557/657/757/857
ERROR CODE AND TROUBLESHOOTING
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