04/2016
8-14
Phaser 4600/4620/4622 Printer Service Manual
Major IOT Assemblies
Revised
8 Principles of Operation
Printer Drive
The Drive subsystem includes motors and their driven assemblies.
Main Drive Assembly
This assembly includes 3 motors. One drives media transport, one drives the Toner Cartridge
auger, and a third drives the Drum Cartridge. The assembly gets +24 VDC power from the
SMPS. Motor control signals come from the MCU Board.
Figure 5 Main Drive Assembly
Feed Drive Assembly
The Feed Drive Assembly drives the Tray 2 feeder and Registration Roller Assembly.
Figure 6 Feed Drive Assembly
Fuser Drive Assembly
The Fuser Drive Assembly drives the Fuser Rollers.
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