Fuser Assy; Thermostat; Temp. Sensor (Contact Type/Non-Contact Type) - Epson AcuLaser CX11 Service Manual

EPSON AcuLaser CX11/CX11F

FUSER ASSY

FUSER ASSY
The FUSER ASSY fixes the completed toner image transferred on the paper by
heat and pressure. It also functions to feed paper before and after fixing, and feed
paper to the eject tray or Duplex by switching the gate inside the Fuser.
The Fuser consists of the following parts:
Heat Roll
Belt
Heater Lamp
Exit Roll

Thermostat

Temp. Sensor
Exit Sensor
Thermostat
Shuts off the circuit for the Heater Lamp when the temperature of the Heat Roll
exceeds a certain level.

Temp. Sensor (Contact type/Non-contact type)

Non-contact type: Monitors the surface temperature of the Heat Roll and turns the
Heat Roll on and off according to the temperature.
Contact type : Monitors the surface temperature of the Heat Roll and shuts off
the power supply for the Heat Roll when an abnormal high
temperature is detected.
Replacing the FUSER ASSY is required when the life count (printed pages)
exceeds the prescribed value.
OPERATING PRINCIPLES Printer Section Operating Principle
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Exit Roll
Exit Sensor
Heat Roll
Fuser Belt
Heater Lamp
Temp. Sensor
Thermostat
Figure 2-52. Main Components of FUSER
Revision B
Leg_06_060RB
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