Ricoh D131 - Page 500

SC500: Feed, Transport, Duplex, and Fusing
SM Appendix 2-33 D131/D132/D133
Appendix:
Service Call
Conditions
SC547-03 D
Zero cross signal error 2: Unstable power supply
After 11 samplings the power supply was not within 50 to 60 Hz,
indicating that the power supply is not stable.
 Check power source with local supplier
SC551 A
Fusing thermistor error 1: End thermistor
The end thermistor (contact type) was less than 0C (32F) for more
than 7 seconds.
 Thermistor connector loose, broken, defective
 Thermistor incorrectly installed or loose
SC552-01 A
Fusing reload temperature error 1: End thermistor
The end thermistor (contact type) could not detect:
 100°C 25 seconds after the start of the warm-up cycle.
 A change in temperature more than 16 degrees for 5 seconds.
 The reload temperature with 56 seconds after the start of the
fusing temperature control cycle.
 Fusing lamp disconnected
 Thermistor connector loose, broken, defective
 Thermistor out of position, installed incorrectly
 Thermostat open
SC552-02 A
Fusing reload temperature error 2: End thermistor
The hot roller did not reach 100
o
C within the prescribed time.
 Fusing lamp disconnected
 Thermistor connector loose, broken, defective
 Thermistor out of position, installed incorrectly
 Thermostat open