Ricoh M065 - Page 342

SC Tables
M065/M066 3-32 SM Appendix
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
551 A
Heating roller thermistor (end) error 2
The temperature measured by the heating roller thermistor (end) does
not reach 0°C for 6 seconds.
 Loose connection of heating roller thermistor (end)
 Defective heating roller thermistor (end)
1. Check that the heating roller thermistor (end) is firmly connected.
2. Replace the heating roller thermistor (end).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
552 A
Heating roller warm-up error 2
The heating roller temperature does not reach the ready temperature
while 70 seconds after the heating lamp on.
 Dirty or defective thermistor (end)
 Heating roller fusing lamp broken
 Defected thermostat
 Defective heating roller fusing lamp
1. Check if the heating roller thermistor (end) is firmly connected.
2. Replace the heating roller thermistor (end).
3. Replace the heating roller fusing lamp.