Phaser 6180MFP Multifunction Printer Service Manual 2-31
Theory of Operation
Fuser Unit
The Fuser fixes transferred toner onto the paper using heat and pressure and
feeds the paper before and after toner is fixed. The Fuser consists of the
following components: Heat Roller, Heater Lamp, Thermostat, Temperature
Sensor, Pressure Belt, Exit Roller, and Exit Sensor.
■ Heat Roller
The Heat Roller is a metal tube with coated surface and a Heater inside.
As the paper passes between the Heat Roller and Pressure Belt, heat
that is applied to the paper, melts the toner, and fuses it to the paper.
Temperature
Sensor (STS)
Temperature
Sensor (NCS)
Thermostat
Heater Lamp
Heat Roller
Pressure Belt
Rear View
Front
ADC Sensor
ESA Roller
Transfer Unit
Exit Sensor
Exit Roller
Fuser
s6180mfp-376
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