Sharp AR-810 User Manual download pdf (Page 99)

5 - 99 AR-651/810 TROUBLE SHOOTING

[CC6] Abnormal punch motor (with AR-PN3 connected)

Is the punch home position sensor (PI3P) working normally?

Replace the sensor.

YES

Is the wiring between the punch home position sensor (PI3P) and finisher controller PC board correct?

YES

Correct the wiring.

Is the punching mechanism normal?

Fix the mechanism.

YES

Is the problem solved by replacing the punch motor (M1P) ?

YES

END

Is the problem solved by replacing the punch driver board?

YES

END

Replace the finisher controller PC board.

[CC7] Abnormal punch unit backup RAM data

Is the problem solved by turing the power of the copier OFF and ON?

YES

END

Replace the punch driver board.

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Sharp AR-810 User Manual Page 99