Ricoh D117 - Page 389

SC Tables
D117/D118 6-28 SM
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
543 A
Heating roller thermopile overheat (software error)
The temperature detected by the heating roller thermopile 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)
544 A
Heating roller thermopile overheat (hardware error)
The temperature detected by the heating roller thermopile reaches the
prescribed temperature.
 Defective BICU
 Defective fusing control system
Related SC code: SC 543
1. Replace the BICU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
545 A
Heating roller fusing lamp consecutive full power
When the fusing unit is not running in the ready condition, the heating
roller fusing lamp keeps on full power for the prescribed time.
 Defective thermistor
 Broken heater
1. Replace the thermistor.
2. Replace the heating roller fusing lamp.