Ricoh D104 Field Service Manual page 595

No. Type
Heating roller fusing lamp overheat 1 (hardware error)
During stand-by mode or a print job, the detected heating roller temperature reaches
250°C.
• Defective PSU
544 A
• Defective BCU
• Defective fusing control system
1. Replace the PSU.
2. Replace the BCU.
No. Type
Heating roller fusing lamp consecutive full power 1
When the fusing unit is not running in the ready condition, the heating roller fusing
lamp keeps on full power for 37 seconds.
545 A • Broken heating roller thermostat
• Broken heating roller fusing lamp
1. Replace the heating roller thermostats.
2. Replace the heating roller fusing lamp.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
6
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