OKIDATA OL600e, Servise Manual

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Service Guide OL600e/610e/610ePS
Chapter 2 Operation Description
(6) Fusing
When the image transfer is completed, the toner image is fused to the paper by heat and pressure as the
paper with the toner image passes between the heater roller and the back-up roller. The heater roller with
Teflon coating incorporates a 400W heater (Halogen lamp), which heats the roller.
A thermistor, which is in contact with the heater roller, regulates the temperature of the heater roller at a
predetermined level (about 165°C). A safety thermostat cuts voltage supply to the heater off by opening
the thermostat in the event of abnormal temperature rises.
The back-up roller is held under a pressure of 3.8 kg applied by the pressure spring on each side.
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