Sharp AR-810 User Manual download pdf (Page 93)

5 - 93 AR-651/810 TROUBLE SHOOTING

[CC1] Abnormal Saddle stitcher microswitch

[Procedure 1]

Is the switch actuator for the inlet door working properly?

Fix the mechanism.

YES

Is the inlet cover switch (MS1S) working normally?

Replace the switch.

YES

Measure the voltage of J10-8 on the saddle stitcher controller PC board when the inlet door is open.

Is it 5V?

The inlet cover sensor (PI9S) is broken. Replace it.

YES

Measure the voltage between J19-2 (+) and J19-1 (-) on the saddle stitcher controller PC board. Is it

24 V?

Replace the saddle stitcher controller PC board.

YES

Check the wiring between J19 on the finisher controller PC board and J1 on the saddle stitcher

controller PC board. If there is no problem, replace the saddle stitcher controller PC board.

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Sharp AR-810 User Manual Page 93