2. Product Description
SAMSUNG ELECTRONICS
Service Manual
2-36
An instant fusing system is used. This has a faster warm-up time than a conventional fusing and pressure
roller system.
The drum-fuser belt is made of 3 thin layers, so is heated quickly by halogen lamp inside.
Pressure roller is made of soft silicone rubber, which flattens slightly, increasing the fusing nip.
The drum-fuser belt contains two fusing lamps (one lamp, center heating lamp, heats the center and the
other lamp, side heating lamp, heats the ends in the axial direction).
NC sensors (non-contact type thermistors), located near the center and the rear end of the drum-fuser belt,
control the temperature of the drum-fuser belt at the center and the ends, respectively. Two NTC
thermistors and two thermostats, located at the center and the side, protect the fusing system from
overheating by the heating lamps.
Temperature is normally controlled by turning on and off the center heating lamp and side heating lamp,
respectively, corresponding to predetermined target temperatures.
2.6 Fuser unit
2.6.1 Fuser unit overview
Pressure Roller
Drum-Fuser Belt
Thermistor
Center : 0.5mm-1.0mm distance
Side : Contact
NC Sensor
Halogen Lamp
Thermostat
This section describes the image fusing process used by the printer.
Содержание SCX-82x0 series
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