SC1xx: Scanning
SM 6-13 D0CA/D0C9/D0C8/D0CB
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC152-00 D White Level Correction Error: Rear Side
The automatic adjustment has failed to correct the white level (rear side) to
the permissible range.
• Defective CIS (S21)
• Defective BiCU (PCB1)
• Loose connector
• Damaged harness (FFC)
• Dirty or incorrect scanning guide plate (rear side)
Check if the SC occurs by turning the power OFF then ON. If the SC occurs
again, do the following steps. Check if the SC reoccurs by cycling the power
after each step.
1. Check the scanning guide plate (rear side).
If the scanning guide plate is dirty or damaged, clean or replace it.
2. Replace the following harnesses:
• CIS (S21) - BiCU (PCB1) (FFC)
3. Replace the CIS (S21).
4. Replace the BiCU (PCB1).
5. Replace the harness (FFC).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC154-00 D CIS Communication Error: Rear Side
The machine cannot detect that the CIS (S21) is connected.
This SC is detected when: the main power is turned ON and the machine
returns from the energy saver mode.
• Defective CIS (S21)
• Defective BiCU (PCB1)
• Loose connector
• Damaged harness
Check if the SC occurs by turning the power OFF then ON. If the SC occurs
again, do the following steps. Check if the SC reoccurs by cycling the power
after each step.
1. Reconnect the following connectors:
• CIS (S21) - BiCU harness (FFC)
2. Replace the CIS (S21).
3. Replace the BiCU (PCB1).
4. Replace the following harness:
• CIS (S21) - BiCU harness (FFC)
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