04/2016
8-8
Phaser 4600/4620/4622 Printer Service Manual
Xerographics
Revised
8 Principles of Operation
Transfer Roller
The Transfer Roller, located beneath the Drum Cartridge, is driven by direct contact with the
OPC drum. When media moves between the Transfer Roller and drum, the Transfer Roller
applies a positive charge to the rear surface of the media. The negatively charged, developed
image on the drum is attracted by the media’s positive charge and is transferred from the drum
to the media.
Figure 3 Transfer Roller
Toner Cartridge
The main Drive Assembly drives the Toner Cartridge to deliver toner to the Drum Cartridge.
Figure 4 Toner Cartridge
Waste Toner Cartridge
Excess toner is collected through a series of augers and deposited into the Waste Toner Car-
tridge. A new cartridge is supplied with each replacement Toner Cartridge. Replace the Waste
Toner Cartridge when you install a new Toner Cartridge.
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