SC No. Level Error Name/Error Condition/Major Cause/Solution
SC621-00 D Finisher communication error
• Detected an error when connecting the communication line.
• Received a communication error notification from the URAT.
• Finisher control board defective.
• BCU defective
• IOB defective
• Connection fault between finisher and main machine.
• Reconnect the Finisher interface cable
• Replace the BCU
• Replace the finisher
• Turn the power off/on
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC622-00 D Paper bank communication error
• Detected an error when connecting the communication line.
• Received a communication error notification from the URAT.
• Paper bank control board defective
• BCU defective
• IOB defective
• Paper bank-main machine connection fault
• Reconnect the optional paper tray connection cable
• Replace the BCU
• Replace the optional paper tray
• Turn the power off/on
Service Call 620-689
521
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