Ricoh MPC 2800 AT-C2 Mode D'emploi page 435

No. Type
• The temperature detected by the heating roller thermopile does not reach 75°
C for 13 seconds after the heating lamp on.
• The temperature detected by the heating roller thermopile does not reach the
ready temperature (130°C) while 125 seconds after the heating lamp on.
• The center temperature of the heating roller does not reach the ready
temperature (130°C) for 30 seconds after the both edge temperature of the
heating roller has reached the ready temperature (100°C).
• Dirty or defective thermopile
• Defective thermistor
• Defective heating roller lamp
1. Check if the heating roller thermistor is firmly connected.
2. Replace the thermistor.
3. Check or replace the thermopile.
4. Replace the heating roller fusing lamp.
No. Type
Heating roller fusing lamp overheat 1 (software error)
The temperature detected by the heating roller thermopile stays at 230°C for 1
second.
• Defective PSU
• Defective IOB
543 A
• Defective BICU
Related SC code: SC 553
1. Replace the PSU.
2. Replace the IOB.
3. Replace the BICU.
No. Type
Heating roller fusing lamp overheat 1 (hardware error)
544 A
During stand-by mode or a print job, the temperature detected by the heating roller
thermopile reaches 250 °C.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
3
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