Xerox PHASER 7500 - Page 70

2-10 Phaser 7500 Printer Service Manual
Theory of Operation
negative charge.) As more toner adheres to the Drum, the negative charge of
that section increases, causing the potential to drop and the attraction force
that pulls the toner to weaken.
Negative Charge
Positive Charge
Toner
Carrier
Drum
HVPS
s7500-409
Toner Cartridge
Agitator
Auger
Auger
Trimmer
Developer Housing
Auger
Magnet Roll
Drum Surface
Toner Image
Drum Surface Potential
Developer
Bias
-V
0
s7500-345