SC No. Level Error Name/Error Condition/Major Cause/Solution
SC623-00 D 2nd bank communication error
During superposition of single bank - double bank, double bank - side
LICT, and LCIT - side LCIT,
1. When the upper bank side recognizes the lower bank, the break of
the lower bank is not canceled within t5ms.
2. After the upper bank side recognizes the lower bank, there is no
ACK within t6ms after transmission of a data frame to the lower
bank, and a timeout error occurs for 3 times consecutively even if
retransmission is performed
(Bank/LCIT transmits "between bank 1 - bank 2: communication error" to
the main machine.)
• Bank control board fault
• Connector disconnected
• Reset the optional paper tray connecting cable
• Replace the BCU
• Replace the optional paper tray
• Turn the power off/on
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC664 ASIC on the IOB SRAM program expansion error
SC664-01 D Access permission error to ASIC on the IOB SRAM (write permission fails)
SC664-02 D Write error to ASIC on the IOB SRAM (write result error)
SC664-03 D ASIC on the IOB program startup error
• Noise
• Hardware defection
• Replace the imaging IOB and paper transport IOB
• Check the harness
5. Troubleshooting
522
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