Ricoh D117 - Page 397

SC Tables
D117/D118 6-36 SM
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
572
-03
A
Heating roller warm-up error (sensor 4)
The temperature of the heating roller does not reach 20 °C within the
prescribed time.
 Dirty thermopile lenses
 Defective heating roller thermistor
 Input voltage out of the warranty (out of specification)
1. Check and clean the thermopile lenses.
2. Replace the thermopile
3. Replace the thermistor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
573 A
Pressure roller overheat (software error): End
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)
574 A
Pressure roller overheat (hardware error): End
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.