Fusing Unit - Brother HL-2700CN Service Manual

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1.4

Fusing Unit

Fuser Unit employs the thermal fusing system containing the heater in the roller. Papers
carrying the toner images pass between the heat rollers. Heat and pressure is applied to
the paper when passing between the heat rollers so that the toner image is melted and
fused on the paper.
(1)
Structure
Fuser Unit consists of the following component members; (Refer to Fig.4-25.)
2
Fuser Roller:
Back-Up Roller:
Fusing Heater:
Thermistor:
Thermostat:
Fig.4-25
IV-24
Heating roller that incorporates the heater in
the roller.
Belt unit that presses the paper against the
fuser roller.
Halogen lamp.
Sensor that detects temperature of fuser
roller's surface.
Device that prevents the fuser roller from
being excessively heated up.
1
3
5
4

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