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

EPSON AcuLaser CX11/CX11F Revision B
OPERATING PRINCIPLES Printer Section Operating Principle 116
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.
Figure 2-52. Main Components of FUSER
Exit Roll
Exit Sensor
Leg_06_060RB
Fuser Belt
Heater Lamp
Heat Roll
Thermostat
Temp. Sensor
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