General Block Diagram - Xerox Document FaxCentre 165c Service Manual

2.3.1 General Block Diagram

Display
Console
board
Optical
unit
Scanner
unit
CCD
board
The facsimile machine comprises the following main units:
• Motherboard
• Network control unit (NCU) board
• Console board, with the display
• Power supply board
• Parallel port card, for connectiion
to the PC (LinkFax model, only)
2-10
Mains voltage
Power supply
Motherboard
Telephone Telephone
network
Fig. 2-9 General block diagram
board
NCU
board
Telephone
orTAD
• Optical unit, consisting of the scan-
ner unit and CCD board
• Printer unit, consisting of the print
head driver board (in the carriage)
and the carriage drive mechanism.
XEROX DFC165 & DWC165c Service Manual
Print unit
Print
carriage
Driver
board
Parallel
port card
PC
( model
LinkFax
only)