Abnormally Low Fusing Temperature - Xerox MF Series Technical Document

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Abnormally low fusing temperature

<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.)
<Troubleshooting Procedures>
Fusing Unit
Thermistor (TH1)
Fusing Roller Heater Lamp (H1)
Step
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).
Description
Relevant Electric Parts
Action
T-14
Controller/Mechanical Control Board (PWB-P)
Thermostat (TS1)
Power Unit (PU1)
WIRING DIAGRAM
Ref. Page
Control Signal
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– –
Location
(Electric Parts)
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