SHARP TROUBLE & ERROR CODES AR-651, AR-810 - OlsonBros

[C58] Communication error between the IPC board and finisher
Is a specified finisher used?
YES
Replace to the specified finisher.
Is the harness between the IPC board and finisher control board open-circuited?
NO
Replace the harness.
Is the conductor pattern on the IPC board is short- or open-circuited?
NO
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.
NO
YES
YES
(4) Replace the LGC board.
(5) Replace the PLG board.
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