Ricoh M022 Service Manual page 672

6. Troubleshooting
No. Type
552 A
No. Type
6
553 A
No. Type
554 A
670
CÓPIA NÃO CONTROLADA
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heating roller warm-up error 2
• The heating roller temperature does not reach 80°C for 20 seconds.
• The temperature at the end of the heating roller does not reach the ready
temperature for 89 seconds .
• Defective heating roller thermistor
Related SC code: SC 542
1. Check if the heating roller thermistor is firmly connected.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heating roller fusing lamp overheat 2 (software error)
The temperature detected by the heating roller thermistor stays at 230°C or more
for 1 second.
• Defective PSU
• Defective IPU
• Defective BCU
1. Replace the PSU.
2. Replace the IPU.
3. Replace the BCU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heating roller fusing lamp overheat 2 (hardware error)
The temperature detected by the heating roller thermistor reaches 250°C or more.
• Defective PSU
• Defective IPU
• Defective BCU
• Defective fusing control system
1. Replace the PSU.
2. Replace the IPU.
3. Replace the BCU.
CÓPIA NÃO CONTROLADA