Toshiba e-STUDIO557 - Page 120

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ERROR CODE AND TROUBLESHOOTING
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[CBC0] Alignment motor abnormality
[CBD0] Guide motor abnormality
Is the alignment plate home position sensor (PI5S) working normally?

NO  Replace the sensor.
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  Fix the mechanism.
YES
Is the problem solved by replacing the alignment motor (M5S)?

NO  Replace the saddle stitcher controller PC board.
YES
END
Is the guide home position sensor (PI13S) working normally?

NO  Replace the sensor.
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  Fix the mechanism.
YES
Is the problem solved by replacing the guide motor (M3S)?

NO  Replace the saddle stitcher controller PC board.
YES
END