Xerox WorkCentre 220

Detection Timing

• The temperature detected by the Thermistor remains lower than the set temperature continuously for a predetermined period of time while the fusing temperature control is being provided. (The set temperatures are as follows: 140 °C during a print mode at 600 dpi; 110 °C during a print mode at 1200 dpi; 70 °C during the standby mode.)

Relevant Electrical Parts

• Fusing Unit
• Thermistor (TH1)
• Fusing Roller Heater Lamp (H1)
• Controller/Mechanical Control Board (PWB-P)
• Thermostat (TS1)
• Power Unit (PU1)

Troubleshooting Procedures

Step	Action	Control Signal/ Location
1	Replace Thermistor (TH1).
2	Replace Fusing Roller Heater Lamp (H1).
3	Replace Thermostat (TS1).
4	Replace Fusing Unit.
5	Replace Controller/Mechanical Control Board (PWB-P).
6	Replace Power Unit (PU1).