Canon fax basic 2000 Service Manual

Canon

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2

3

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5

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2

GENERAL DESCRIPTION
OF A FACSIMILE

1. WHAT IS A “FACSIMILE?” ....................................................... 2-2

Established Rules of Communication.............................. 2-2

Control Procedure ........................................................... 2-2

Facsimile Groups ............................................................ 2-3

Telephone Lines .............................................................. 2-3

Types of ITU-T Recommendations.................................. 2-4

How Images are Transmitted........................................... 2-8

2. STRUCTURE OF A FACSIMILE ............................................ 2-13

Reading Section ............................................................ 2-15

Recording Section ......................................................... 2-18

MODEM ........................................................................ 2-21

NCU board (Network Control Unit board) ..................... 2-22

System Control Section................................................. 2-22

3. THE FUTURE OF FACSIMILES ............................................ 2-23

Color Facsimiles ............................................................ 2-23

LAN-networked Facsimiles............................................ 2-23

Internet Facsimiles ........................................................ 2-24