Dell 3130cn Service Manual
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Brand: Dell
Category: Label Maker , Printer
Type: Service manual for Dell 3130cn - Color Laser Printer
Pages: 854
6 – 26
Chapter 6 Principles of Operation
Version 3 2008.05.30
3.4 Transfer Belt & Fuser
3.4.1 Major functions
-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:
• 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.
- Transfer Belt
• 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. (Refer to 5.4.1 Potential Control)
• 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.