Ricoh OR-C1 - Page 423

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
552 A
Fusing temperature warm-up error (end)
The fusing temperature did not reach the standby temperature within 20 sec. at the
center of the hot roller after the main switch turned on.
• Fusing thermistor defective or out of position
•
Fusing lamp disconnected
•
Thermistor defective
• Fusing lamp defective
1. Check the fusing thermistor is set correctly.
2. Check the fusing lamp is connected correctly.
3.
Replace the fusing thermistor.
4. Replace the fusing lamp.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
553 A
Fusing overheat error 1 (end)
The fusing thermistor detected a fusing temperature over 230°C for 5 sec. at the
center of the hot roller.
• TRIAC short on PSU (PSU defective)
• BCU board defective
•
Fusing thermistor defective
1. Replace the PSU.
2. Replace the BCU board.
3.
Replace the thermistor.
Service Call Conditions
65
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