Ricoh D037 Service Manual page 448

SC Tables
No. Type
Replace the fusing/paper exit motor.
No. Type
Heating roller error 1
The temperature detected by the thermopile does not reach 0°C for 6
seconds.
541 A
1.
2.
No. Type
542 A Heating roller warm-up error 1
D037/D038/D040/D041
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Motor overload
Defective fusing/paper exit motor
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Loose connection of the thermopile
Defective thermopile
Check that the thermopile is firmly connected.
Replace the thermopile.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
After the main switch is turned on or the cover is closed, the
increment of the heating roller temperature per 10 seconds is 40°C
or less. If this condition is detected five times consecutively, SC
542 is defined.
The heating roller temperature does not reach 100°C for 9 seconds
after the heating lamp on.
The heating roller temperature does not reach the ready
temperature while 75 seconds after the heating lamp on.
The center temperature of the heating roller does not reach the
ready temperature for 30 seconds after the edge temperature of
the heating roller has reached the ready temperature.
Dirty or defective thermopile
Defective heating roller lamp
4-26 SM Appendix