Sharp AR-810 Manuel d'utilisateur télécharger pdf (Page 69)

5 - 69 AR-651/810 TROUBLE SHOOTING

[C58] Communication error between the IPC board and finisher

Is a specified finisher used?

Replace to the specified finisher.

Is the harness between the IPC board and finisher control board open-circuited?

Replace the harness.

Is the conductor pattern on the IPC board is short- or open-circuited?

Replace the IPC board.

Replace the finisher control board.

[C59] Communication error between the main CPU and laser CPU

(1) Check if the harness between the LGC board and PLG board is not disconnected or open-circuited.

(2) Check if the conductor pannern around IC13, IC25, IC57, J327 and J342 on the LGC board is not

short- or open-circuited.

(3) Check if the conductor pattern around IC4, IC19 and J202 on the PLG board is not short- or open-

circuited.

(4) Replace the LGC board.

(5) Replace the PLG board.

YES

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Sharp AR-810 Manuel d'utilisateur Page 69