Ricoh V-C3 D081, Field Service Manual, Page: 688 / 1092

SC554 A
Pressure roller thermistor (hardware) error
The thermistor detected a temperature over 230
°
C.
• Do SP5810 to cancel the SC fusing code
• TRIAC short, AC drive board defective
• VBCU defective
SC555 A
Pressure roller fusing lamp remains on
After hot roller reaches warm-up temperature, the pressure roller fusing lamp
remained for 300 sec. while the hot roller is not rotating.
• Do SP5810 to cancel the SC fusing code.
• Thermistor damaged, or out of position
• Fusing lamp disconnected, broken
SC556 A
Heating roller fusing lamp error
After hot roller reaches warmup temperature, the heating roller fusing lamp (ends)
remains for 10 sec. while the hot roller is not rotating.
• Thermistor damaged, or out of position
• Fusing lamp disconnected, broken
SC557 A
Zero cross over error
At power on the fusing relay was detected as defective.
• Replace the AC drive board.
SC559 A
Three successive paper jams in fusing unit
This SC only occurs if SP1159 is on, and a jam occurred in the fusing unit for three
consecutive sheets of paper. With SP1159 set to "1" the machine operation can be
restored only by the service technician.
The paper cooling job time sensor detected paper late for 3 counts.
• Remove the paper that is jammed in the fusing unit.
• Make sure that the fusing unit is clean and has no obstacles in the paper feed
path.
3. Appendix: Service Call Conditions
110
3