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Slide 55
5. Engine
No additional notes
Ricoh Europe B.V.
Technical Training Centre
Fusing Unit Components
Thermostat
The thermostat cuts off the power to the fusing lamp to not
let the machine overheat. Power gets cut when the
thermostat temperature gets to 160°C
Thermistor
The thermistor detects the surface temperature of the hot
roller. This information goes to the main processor, to
regulate the temperature of the hot roller
Hot Roller
The fusing lamp heats the surface of the hot roller. Toner
gets melted and stays on the surface of the paper when the
paper passes between the hot roller and pressure roller
Pressure Roller
The pressure roller is mounted under the hot roller
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