SC Tables
SM Appendix 4-29 D037/D038/D040/D041
Appendix:
Service Call
Conditions
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
 The temperature measured by the heating roller thermistor (end)
does not reach 0°C for 150 seconds and the temperature/humidity
sensor of the machine detects 5°C or more.
 The heating roller thermistor detects -5°C for 9 seconds.
 Loose connection of heating roller thermistor
 Defective heating roller thermistor
Related SC code: SC 541
1. Check that the heating roller thermistor is firmly connected.
2. Replace the heating roller thermistor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Heating roller warm-up error 2
 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
552 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 end 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 thermistor (end)
 Heating roller fusing lamp broken
Related SC code: SC 542
552 A
1. Check if the heating roller thermistor is firmly connected.
2. Replace the heating roller fusing lamp.