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SC6xx: Communication Errors

Code

Level

Details

688

D

No CTL_PRREQ_N Signal

Paper failed to feed after the machine has reached the reload temperature, because the main board did not issue a PRREQ signal.

  • The main board harness connector is loose, broken, or defective.

  • The main board is defective.

  • Check the main board harness connector.

  • Replace the main board.