The fuser temperature control starts when the fuser ready in the system card assembly is turned on after a
preset time period has passed from power on. If a failure occurs, the heater lamps are turned o, the fuser
ready is turned o, and then the fuser temperature control is stopped.
Fuser lamp on/o control
The thermistor detects the heat roll surface temperature (fuser temperature) to regulate the temperature at the
target control temperature by turning on or o the heater lamp.
Fuser warm-up
The fuser warm-up starts at the time of power on, interlock open or close, jam reset, or return from the low
power mode, and ends when the ready temperature is attained, when a failure occurs, or when executing
diagnosis.
Xerographic and print cartridge components
#Part
1Toner supply
2 Charge roll
3 Cleaning blade
4 Waste toner collection
5Drum
6 Developer roll
4062
Appendix C: Theory of operation
538
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