Sharp AR-810 Instrukcja Użytkownika Pobierz pdf (Strona 61)

5 - 61 AR-651/810 TROUBLE SHOOTING

[C27] Carriage home position sensor not going OFF within a fixed time

[C28] Carriage home position sensor not going ON within a fixed time

Remove the original glass and move the carriages to the paper feeding side. Turn ON the power and

check the following items.

[C27]

Are the carriages slightly moved to the feeding direction?/Are the carriages staying at a position

other than home position?

YES

Check if the circuit of the SLG board is abnormal.

1. Check if the connector pin is disconnected and the harness is short- or open-circuited.

2. Check if the conductor pattern on the SLG board is short- or open-circuited.

3. Replace the SLG board.

[C28]

Do the carriages make a big noise after they arrive at the home position?

YES

The carriage home position sensor is not turned ON.

1. Check if the connector of the sensor is disconnected.

2. Check if the circuit of the SLG board is abnormal.

The carriages are stopped at the home position and do not move.

1. Check if the connector pins are disconnected and the harnesses are short- or open-circuited.

2. Check if the conductor pattern on the SLG board is short- or open-circuited.

3. Replace the SLG board.

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Sharp AR-810 Instrukcja Użytkownika Strona 61