Transfer Belt & Fuser; Major Functions - Dell 3110cn Service Manual

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3.4 Transfer Belt & Fuser

The FUSER 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 mainly consists of the following parts:

• Heater Lamp

• Thermostat

• Temp. Sensor

- Exit Sensor

Detects passage of print after fixed based on the change of position of the actuator.

Transfer Belt

Belt feeds the paper to the direction of FUSER

• 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.

• ADC Solenoid

When turned on, the ADC Solenoid activates the PAD ADC to wipe the ADC Sensor surface clean

of contaminants. To activate the PAD ADC, the ADC Solenoid must be turned on for a fixed

duration before the ADC Sensor starts reading the toner patches.

• ROLL ESA (Electric Static Attachment)

ROLL ESA discharges a positive voltage to the paper. The toner transfer efficiency is raised by

being positively charged.

Version 2 2006.03.28

• Pressure Belt

• Roll Assy Exit

• Exit Sensor

(Refer to 5.4.1 Potential Control)

Chapter 6 Principles of Operation

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