Ricoh Di-C1.5a Manual page 238

Temperature Control Components
Thermopile
Thermistor
Heating
Roller
The following components control the temperature:
Heating roller: One thermistor and two thermostats
Pressure roller: Two thermistors and one thermostat
At the front of the fusing unit: Thermopile
Slide 238
Here is a three-dimensional drawing of the fusing unit.
The thermopile detects the temperature at the center of the fusing unit, and the
thermistors detects the temperature at center and the end.
Thermostat
Thermistors
238
Pressure
Roller
Thermostats
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