Ricoh G133 Service Manual page 258

SC Table
No. Type
1.
2.
No. Type
Pressure roller temperature error
The temperature of the pressure roller does not reach the ready
temperature for 120 seconds after the fusing lamp has turned on.
562 A
1.
2.
No. Type
Pressure roller overheat 3 (software error)
The detected pressure roller temperature stays at 215°C or more for 1
second.
563 A
1.
2.
3.
No. Type
564 A Pressure roller overheat 3 (hardware error)
G133
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Loose connection of the pressure roller thermistor
Defective pressure roller thermistor
Check if the pressure roller thermistor is firmly connected.
Replace the pressure roller thermistor.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective pressure roller thermistor
Defective fusing lamp
Replace the thermistor for the pressure roller.
Replace the fusing lamp.
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)
4-42 SM