Phaser 6500/WorkCentre 6505 Service Manual
Xerox Internal Use Only
2-71
Theory of Operation
Fax
Fax Overview
A Fax is a device that sends and receives image data using either an analog or a
digital telephone line. The WorkCentre 6505 MFP supports Super-G3 analog Fax,
as discussed in this overview.
The three basic units of a Fax are the Scanner (for reading the image), the Control
Circuit, and the Printer.
s6500-088
CCD
1 1 1 1 1 1
1 1 1 1 1 1
1 0 0 0 0 1
1 0 0 0 0 1
1 0 1 1 1 1
1 0 1 1 1 1
1 0 1 1 1 1
1 0 1 1 1 1
1 0 0 0 1 1
FAX System (Detail)
Scanner
Scanning
Lamp
Original
Original
Black becomes 0,
1 white, creating...
Digital data
Image
Control Circuit
Digital Signal
Modem
DA
Conversion
(Modulation)
A/D Conversion
Unit
A/D Conversion
Unit
NCU
NCU
Analog Signal
Sending FAX
Telephone Line
Receiving FAX
Control Circuit
Modem
AD
Conversion
(Demodulation)
Printer
Digital Signal
Printing
Содержание Phaser 6500
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Страница 443: ...7 Chapter Cleaning and Maintenance In this chapter Service Maintenance Procedure Cleaning Maintenance Moving the Printer...
Страница 569: ...Phaser 6500 WorkCentre 6505 Service Manual Xerox Internal Use Only 8 121 Service Parts Disassembly s6500 305...
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