SC No. Type Error Name/Error Condition/Major Cause/Solution
• FFC connection error
• FFC defective (disconnected, foreign object, etc.)
• The following board defects (Parts implementation defect, solder
scrap, implemented parts defect, etc.);
• BCU
• Imaging IOB
1. Reconnect the FFC between BCU and Imaging IOB.
2. Replace the FFC between BCU and Imaging IOB.
3. Replace the BCU.
4. Replace the Imaging IOB.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC665-03 D Connection Error (Paper Transport IOB – Imaging IOB)
The machine detects the communication error between Imaging IOB and
Paper Transport IOB (No connection) when starting up, or recovery from
energy saver mode.
• FFC connection error
• FFC defective (disconnected, foreign object, etc.)
• The following board defects (Parts implementation defect, solder
scrap, implemented parts defect, etc.);
• Paper Transport IOB.
• Imaging IOB.
1. Reconnect the FFC between Paper Transport IOB and Imaging IOB.
2. Replace the FFC between Paper Transport IOB and Imaging IOB.
3. Replace the Imaging IOB.
4. Replace the Paper Transport IOB.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC665-04 D IOB does not start up
The IOB does not start up when starting up, or recovery from energy
saver mode.
SC620-Service Call 620-689
943
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