Ricoh D117 - Page 396

SC Tables
SM 6-35 D117/D118
Troubleshooti
ng
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
563 A
Pressure roller overheat (software error): Center
The temperature detected by the pressure roller thermistor stays at the
prescribed temperature within the prescribed time.
 Defective PSU
 Defective BICU
1. Replace the PSU.
2. Replace the BICU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
564 A
Pressure roller overheat (hardware error): Center
The temperature detected by the pressure roller thermistor detects
prescribed temperature.
 Defective BICU
 Defective fusing control system
1. Replace the thermistor.
2. Replace the BICU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
571 A
Pressure roller thermistor error: End
The temperature detected by the pressure roller thermistor does not
reach 0 °C within the prescribed time.
 Loose connection of the pressure roller thermistor
 Defective thermopile
 Defective pressure roller thermistor
1. Check if the pressure roller thermistor is firmly connected.
2. Replace the thermopile.
3. Replace the pressure roller thermistor.