SC1xx: Scanning
SM 6-9 D0CA/D0C9/D0C8/D0CB
SC No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC112-00 D LED Illumination Adjustment Error: Rear Side
The white level peak reached the prescribed threshold when the white plate
was scanned after a specified number of adjustments.
• Loose connector
• Defective CIS (S21).
• Damaged harness
• Dirty or incorrect scanning guide plate
• Defective BiCU (PCB1)
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 harness (FFC).
5. Replace the BiCU (PCB1).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC120-00 D Scanner Home Position Error 1
The Scanner HP Sensor (S20) did not go OFF :
• During homing operation (power ON, leaving low power mode)
• During auto adjustment (power ON, leaving low power mode)
• During document, book scanning
• Motor drive error
• Defective motor
• Defective sensor
• Disconnected connectors or damaged harness
• Timing belt, pulley, wires or scanner carriage failure
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 input of the scanner HP sensor (S20) with SP5-803-200.
2. Replace the Scanner HP Sensor (S20), if input check fails.
3. Replace the Scanner Motor (M7).
4. Replace the harness.
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