Epson AcuLaser C2900N - Transfer Belt & Fuser Unit; Major Functions

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Chapter 6 Principles of Operation
Epson AcuLaser C2900N
Revision B
Confidential
3.4 Transfer Belt & Fuser Unit
3.4.1 Major functions
- TRANSFER ASSY (PL6.1.7)
• Belt
Belt feeds the paper to the direction of FUSER UNIT
• SENSOR ADC
SENSOR ADC reads the toner patch on the BELT, and converts it to voltage value. Voltage value
is used to control the density of toner. (Refer to 5.3.1 Potential Control)
- FUSER UNIT (PL6.1.1)
The FUSER UNIT fixes toner which was transferred onto the paper but not fixed by the heat and
pressure and feeds paper before and after being fixed.
The FUSER UNIT mainly consists of the following parts:
• Heat Roll • Pressure Belt
• Heater Lamp • Roll Assy Exit
• Thermostat • Exit Sensor
• Temp. Sensor
- EXIT SENSOR
Detects passage of print after fixed based on the change of position of the actuator.