Toshiba e-studio191f Service Manual page 193

DP-1910F
Heat Lamp
Thermostat
(Halogen Lamp)
Thermistor
Heat Roller
Pressure Roller
Paper Exit Sensor
Spring
The Thermostat is mounted 2.5 mm away from the Heat Roller. If the ambient temperature reaches 190 °C
(374 °F), the Thermostat is opened, and power is removed from the Heat Lamp. The surface of the
Thermostat is not as hot as that of the Heat Roller. When the Thermostat opens, the surface of the Heat
Roller may reach 210 °C (410 °F), and the system displays E4-01. If the Thermistor opens, the system
displays E4-01. If by chance the Thermostat malfunctions a Thermal Fuse opens.
The Pressure Roller is kept in contact with the Heat Roller through 2 pressure springs, which apply a
pressure of approximately 0.36 kg/cm (3.56 N/cm). Drive is supplied from the Main Motor via Intermediate
Gears.
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