Ricoh Aficio MP C305SP Field Service Manual page 679

No. Type
Self-diagnostic error : NVRAM
NVRAM device does not exist, NVRAM device is damaged, or NVRAM socket
damaged.
[1401]
• NVRAM defective
• Controller board defective
• NVRAM backup battery exhausted
• NVRAM socket damaged
No. Type
CTL Self-diagnostic error: Standard SDRAM DIMM
827
D [XXXX]: Detailed error code
Verification error
Error detected during a write/verify check for the standard RAM (SDRAM
DIMM).
[0201]
• Loose connection
• Defective SDRAM DIMM
• Defective controller
Resident memory error
The SPD values in all RAM DIMM are incorrect or unreadable.
[0202]
• Defective RAM DIMM
• Defective SPD ROM on RAM DIMM
• Defective 12C bus
1. Replace the RAM DIMM
No. Type
CTL Self-diagnostic error: ROM
828
D [XXXX]: Detailed error code
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
677