Electrical - Xerox Phaser 3320 Service Manual

General Information

Electrical

The electrical system consists of the Main Board, Control Panel Board, HVPS, LVPS, Power Switch
Assembly, ADF/DADF Board, FAX, and Wireless Interface Board.
• Main Board
The Main Board controls all modules required to print, that is, LSU, HVPS, SMPS, FAN, Fuser, FAX,
and Scanner. The controller receives print data from the host through network or USB Port or fax,
Scanner. It takes this information and generates printable video bitmap data. Engine and video
control are combined.
• Control Panel Board - displays the status of the system using 16 x 2line LCD in response to user
actions or the Main controller.
• HVPS - supplies high voltage for the developing Process. The High Voltage is controlled by the
PWM signal from the CPU.
• LVPS - makes +5V and +24V DC from 220V or 110 AC.
• Power Switch Assembly - controls power to the printer.
• ADF/DADF Board - provides the interface between the ADF/DADF and the Main Board.
• FAX Board - provides the FAX interface to the printer.
• WLAN Board - the WLAN board provides a wireless Ethernet interface.
Optional Memory
• Optional Memory DIMM for WorkCentre 3325 only
A 256 MB, SO-DIMM Board is available to increase system memory on the Main Board. Additional
memory is used for operating system, system application programs, and print data storage.
Locations of Phaser 3320 Electrical Components
The following illustration shows the location of electrical components in the Phaser 3320.
Coupler Bar
Registration
Clutch
Bypass Tray
Clutch
Pick Up
Clutch
1-28 Phaser 3320 and WorkCentre 3315/3325
Service Manual
Main Motor
Rear Cover
Open Switch
Main Fan
LVPS Fan
s3320-249
Xerox Internal Use Only