Ricoh MP C2504

SC No. Type Error Name/Error Condition/Major Cause/Solution
In view of parity, 3 retries were performed
• BCU defective
• Harness defective
• LDB defective
1. Turn the main power OFF/ON.
2. Reconnect the following connectors;
• LDB-IPU harness
• IPU-BCU harness
3. Replace the LD unit.
4. Replace the BCU.
5. Replace the following harnesses;
• LDB-IPU harness
• IPU-BCU harness
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC272-10 D LD driver communication error: Other
LD voltage does not satisfy the specified voltage (5 V).
• BCU defective (LD5V Power error)
• LDB defective (LD drive error)
• LDB connector defective (loose, broken)
• Interlock switch defective
1. Turn the main power OFF/ON.
2. Reconnect the connectors between LDB and IPU.
3. Replace the IPU.
4. Replace the LD unit.
5. Replace the harness between LDB and IPU.
6. Replace the interlock switch.
6. Troubleshooting
790