Read Panasonic KX-P7105 / KX-P7110 (serv.man2) Service Manual online
1.10. Fuser Unit
A 600W heat lamp ( halogen lamp ) heats the surface of the teflon-coated heat roller to approximately 190°C ( 374°F ), a thermistor
monitors the heat roller temperature, and the CPU controls the ON/OFF timing of the lamp.
monitors the heat roller temperature, and the CPU controls the ON/OFF timing of the lamp.
The thermostat is mounted 2.5mm away from the heat roller. If the ambient temperature reaches 180°C ( 356°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 200°C ( 382°F ), and the system displays E30. If the thermistor
opens, the system displays E32. If by chance the thermostat malfunctions a thermal fuse opens.
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 200°C ( 382°F ), and the system displays E30. If the thermistor
opens, the system displays E32. 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.
kg/cm ( 3.56 N/cm ). Drive is supplied from the main motor via intermediate gears.
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KX-P7105 / KX-P7110
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