Xerox Phaser 4620 Service Manual page 395

SMPS
The Switched Mode Power Supply (SMPS) generates low voltages (+5 V and +3.3 V for logic
circuits, +5 V for laser diodes, and +24 V for motors/clutches from AC power provided by the
Fuser Drive Board.
Figure 15 SMPS
Revision - Xerox Internal Use Only
Phaser 4600/4620 Printer Service Manual
Fuser Drive Board
The Fuser Drive Board provides AC power for the Fuser and HVPS.
Figure 16 Fuser Drive Board
5/2011
8-19
Principles of Operation
Major IOT Assemblies