Lexmark X862de Service Manual page 51

Charge
The Charge Roll places a uniform negative electrostatic charge on the surface of the drum. The drum surface is
made of a photoconductive material that holds an electrical charge as long as the drum remains in darkness.
Light striking the drum discharges the surface charge.
Photoconductive
Surface
Conductive Tube
Charge roll
(-VDC)
DRUM
Ground
HVPS
(-VDC)
Ground
Drum Surface
Drum Surface
Image
Voltage
0V
7500-432, -632, and -832
-VDC value
1-27
General information
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