Ricoh AP-C3, Field Service Manual, Page: 787 / 1334

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
144 D
SBU communication error
The SBU connection cannot be detected at power on or recovery from the energy
save mode.
• Defective SBU
• Defective harness
• Defective detection port on the BCU
1. Replace the harness.
2. Replace the SBU.
3. Replace the BCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
161 IPU error
-01 D
The error result of self-diagnostic by the ASIC on the IPU is detected.
• Defective IPU
• Defective connection between IPU and SBU
1. Check the connection between IPU and SBU.
2. Replace the IPU.
-02 D
The machine detects an error during an access to the Ri.
• Defective IPU board
Replace the IPU board.
-03 D
The ASIC on the IPU fails to configure or initialize the DRAM.
• Defective IPU board
Replace the IPU board.
Service Call
785