Toshiba e-Studio 120 Service Manual page 33

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Thermistor
Heat roller
Separator pawl
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Safety device
(thermostat)
Triac (in the
power supply unit)
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Thermostat
Heater lamp
Heated by the heater
lamp. (800W)
The surface temperature
of the upper heat roller is
sensed by the thermistor.
Level of the thermistor is
controlled by the main PWB.
With the signal from the
main PWB, the triac is
controlled on and off.
(power supply PWB)
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