Sharp AR-810 User Manual download pdf (Page 80)

AR-651/810 TROUBLE SHOOTING 5 - 80

[Procedure 2]

Is second feed motor (M8) rotating in reverse at the fixed timing?

Replace second feed motor or finisher controller PC board.

YES

Is the shutter securely attached to the shutter upper/lower bars?

Attach it securely.

YES

Turn feed roller-2 in reverse by hand. Do the shutter upper/lower bars move up and down?

Fix the mechanism including the shutter upper/lower bars and gears of the feed

roller-2.

YES

Is the shutter open sensor (PI5) working normally?

Replace the sensor.

YES

Replace the finisher controller PC board.

[Procedure 3]

Check the safety zone switch (MS3). Is the switch working normally?

Replace the switch.

YES

Is the safety zone switch (MS3) correctly pressed?

Fix the mechanism.

YES

Is the shutter closed detecting switch (MS4) working normally?

Replace the switch.

YES

Is the shutter closed detecting switch (MS4) correctly pressed?

Fix the mechanism.

YES

Replace the finisher controller PC board.

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Sharp AR-810 User Manual Page 80