Ricoh D025 - Page 492

SC Tables
D023/D025 3-40 SM Appendix
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Pressure roller warm-up error
After the main switch is turned on or the door is closed, the pressure
roller temperature does not reach the ready temperature within 70
seconds during fusing unit warm-up.
 Pressure roller fusing lamp broken
Related SC code: SC 542
552 A
1. Check if the pressure roller thermistor is firmly connected.
2. Replace the pressure roller fusing lamp.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Pressure roller fusing lamp overheat (software error)
The detected pressure roller temperature stays at 230°C or more for 1
second.
 Defective PSU
 Defective IOB
 Defective BICU
Related SC code: SC 543
553 A
1. Replace the pressure roller thermistor.
2. Replace the PSU.
3. Replace the IOB.
4. Replace the BICU.