Ricoh Aficio MP C305SP Field Service Manual page 668

6. Troubleshooting
No. Type
CTL
634
B
No. Type
CTL
635
B
No. Type
636 CTL
666
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Counter device error 3
A backup RAM error was returned by the counter device.
• Counter device control board defective
• Backup battery of counter device defective
1. Replace the counter device.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Counter device error 4
A backup battery error was returned by the counter device.
• Counter device control board defective
• Backup battery of counter device defective
1. Replace the counter device.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SD Card Error