Ricoh G133 Service Manual page 256

SC Table
No. Type
Related SC code: SC 542
1.
2.
No. Type
Heating roller overheat (software error)
The detected heating roller temperature stays at 230°C or more for 1
second.
553 A
Related SC code: SC 543
1.
2.
3.
No. Type
554 A Heating roller overheat (hardware error)
The heating roller thermistor detects 240°C or more.
G133
Details (Symptom, Possible Cause, Troubleshooting Procedures)
temperature for 90 seconds after the heating lamp on.
The heating roller temperature does not reach 80°C for 13 seconds
after the IH inverter on.
Defective thermistor
Defective IH inverter
Check if the heating roller thermistor is firmly connected.
Replace the IH inverter.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective PSU
Defective IOB
Defective EGB
Replace the PSU.
Replace the IOB.
Replace the EGB.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective PSU
Defective IOB
Defective EGB
4-40 SM