Theory of Operation Ver. 1.0 Jul. 2009
Rear of machine
Heating roller
thermister/S
Heating zones
(2) Pressure roller
• The pressure roller contains a fusing heater lamp in it. The fusing heater lamp turns ON
to generate heat, which heats the pressure roller. The lamp turns OFF to stop heating.
• This fusing heater lamp uniformly heats the entire area of the pressure roller.
Rear of machine
Heating zones
Heating roller
Heating roller
thermister/M
thermister/C
Heating roller thermister
20. FUSING SECTION
Front of machine
Heating roller Fusing heater
lamp (long)
Heating roller Fusing heater
lamp (short)
A0EDT2C280DA
Front of machine
Pressure roller fusing heater lamp
A0EDT2C281DA
217