Toshiba e-STUDIO230L Service Handbook page 517

[Procedure 2]
Is the staple/fold motor clock sensor (PI14) working properly?
NO
YES
Does the staple/fold motor operate at the appropriate timing?
YES
NO
Is the stapler unit drive mechanism working properly?
NO
YES
Try replacing the staple/fold motor (M7). Is the problem corrected?
YES
NO
Replace the finisher controller PC board.
[Procedure 3]
Is the folding home position sensor (PI11) working properly?
NO
YES
Is the wiring between the finisher controller PC board and the staple/fold motor normal?
NO
YES
Try to rotate the fold jam releasing dial. Is there mechanical trapping?
YES
NO
Try replacing the staple/fold motor (M7). Is the problem corrected?
YES
NO
Replace the finisher controller PC board.
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Replace the sensor.
Replace the finisher controller PC board.
Fix the mechanism.
End.
Replace the sensor.
Correct the wiring.
Fix the mechanism.
End.
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