• Thermistor floating free, not positioned correctly
• Thermistor defective
• IOB defective
SC571 A
Pressure roller end thermistor error 3
The thermistor returned 30 readings for the end of the pressure roller that were below
5°C (41°F) for 30 sec.
• Thermistor connection loose, broken, defective
• Thermistor floating free, not positioned correctly
• Thermistor defective
SC572 A
Pressure roller end thermistor error 4
The thermistor returned 5 readings for the end of the pressure roller that were below
3°C (37.4°F) for 5 sec.
• Fusing lamp disconnected
• Fusing lamp defective
• IOB defective
SC573 A
Fusing temperature error: Software
Fusing temperature exceeded 230°C (446°F) for more than 2 sec.
• TRIAC short, IOB defective
SC591 B
Cutter 1 home position error 1: Upper Tray
Both left and right cutter HP switches were on:
Immediately after the machine was turned on.
-or-
After the upper tray was opened and closed.
• Right or left cutter home position switch defective.
SC592 B
Cutter 1 home position error 2: Upper Tray
5. Appendix: Service Call Conditions
50