Ricoh D037 Service Manual page 454

SC Tables
No. Type
Related SC code: SC 541
1.
2.
No. Type
Pressure roller overheat 3 (software error)
The detected fusing roller temperature stays at 230°C or more for 1
second.
563 A
1.
2.
3.
No. Type
Pressure roller overheat 3 (hardware error)
The pressure roller thermistor (center) detects 250°C or more.
564 A
1.
2.
3.
No. Type
565 A Pressure roller fusing lamp consecutive full power 3
D037/D038/D040/D041
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Check that the pressure roller thermistor is firmly connected.
Replace the pressure roller thermistor.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective PSU
Defective BCU
Replace the pressure roller thermistor (center).
Replace the PSU.
Replace the BCU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective PSU
Defective BCU
Defective fusing control system
Replace the pressure roller thermistor (center).
Replace the PSU.
Replace the BCU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
4-32 SM Appendix