Brother International HL-2400C Service Manual - Page 74
Fusing Heaters
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1.4 Fusing Unit The fusing unit employs a thermal fusing system using heater lamps in the rollers. Paper carrying the combined toner image passes between the heat rollers. Heat and pressure is applied to the paper when passing between the heat rollers so that the toner image is melted and fused onto the paper. (1) Structure The fusing unit consists of the following component parts; (Refer to Fig.4-26.) Back-up Roller: Fuser Roller: Fusing Heaters: Thermal Fuse: Thermistor: Oil Bottle: Fuser Cleaner: is a pressure roller and incorporates a heater lamp. incorporates a heater lamp. halogen lamps to heat the rollers. prevent the fuser roller from being excessively heated up. is a sensor to detect the temperature of the fuser roller's surface. contains silicone oil for fusing. cleans the fuser roller. 7 6 1 2 4 5 3 Fig.4-26 IV-25