Brother International DCP-1400 Service Manual - Page 38
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2.2.3 Heat-fixing mechanism ± Paper ejection roller (Rear) Paper ejection sensor actuator Heat-fixing unit Heater roller Heater thermistor Paper + Pressure roller As the paper passes between the heater roller and the pressure roller in the heat-fixing unit, the heater roller fuses the toner on the paper. The controller monitors the internal resistance of the heater thermistor to keep the surface temperature of the heater roller constant by turning the halogen heater lamp on and off. III - 8
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2.2.3
Heat
-fixing
mechanism
±
Paper
ejection
roller
(Rear)
+
Paper
ejection
sensor
actuator
Heat
-fixing
unit
Heater
roller
Heater
thermistor
Paper
Pressure
roller
As
the
paper
passes
between
the
heater
roller
and
the
pressure
roller
in
the
heat
-fixing
unit,
the
heater
roller
fuses
the
toner
on
the
paper.
The
controller
monitors
the
internal
resistance
of
the
heater
thermistor
to
keep
the
surface
temperature
of
the
heater
roller
constant
by
turning
the
halogen
heater
lamp
on
and
off.
III
-
8