Sc144-00; Scanner Communication Error (Front) - Ricoh Pro 8300S Troubleshooting Manual

1.SC Codes
7. Harnesses are defective.
*Condensation in the scanner unit
Solution
1. Connectors not connected properly
Reconnect the following connectors:
 SBU-BiCU harness (shielded cables/separate cables) connector
SBU-LEDB harness (FFC) connector

2. White plate (exposure glass) dirty or defective
Check for dirt or defect on the white plate attached to the exposure glass.
Replace the exposure glass if it is dirty or defective.
3. Mirror, optics defective
Check for dirt or defect on the 1st carriage (mirror) / 2nd carriage (mirror).
Replace the carriage if it is dirty or defective.
4. Replace the LED boards on both sides.
5. Replace the SBU board (lens block).
6. Replace the BiCU board.
7. Harnesses defective
Replace the harness between the SBU and BiCU (shielded cables/separate cables) and/or the
harness between the SBU and LEDB (FFC).

SC144-00

Error Name

Scanner Communication Error (Front)

Pattern
D
Error Condition
 Connection from SBU to BiCU cannot be confirmed. (Connection detection error)
Cannot perform communication between SBU and BiCU, or the communication result is abnormal.

Major Cause
1. Connectors are not connected properly.
2. SBU is defective.
3. BiCU is defective.
4. Harness is defective.
Solution
1. Connectors not connected properly
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