Canon FACSIMILE BASIC 2000 Service Manual page 6

CHAPTER 5 G3 FACSIMILE COMMUNICATIONS
INTRODUCTION ..........................................................................5-2
WHAT IS A "G3 FACSIMILE?" .....................................................5-2
G3 FACSIMILE IMAGE TRANSMISSION....................................5-3
CODING SCHEMES ....................................................................5-8
MODULATION METHOD ...........................................................5-45
TRANSMISSION CONTROL PROCEDURES ...........................5-89
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Printing by LASER ..................................................................4-24
Flow of Printing .......................................................................4-26
Video Control Section/Printer Engine Control Section............4-27
LASER/Scanner Section.........................................................4-32
Printing Process......................................................................4-34
Toner Cartridge.......................................................................4-46
BJ (Bubble Jet) Printer............................................................4-48
Printing by Bubbles .................................................................4-48
Printing Section.......................................................................4-50
Carriage Section .....................................................................4-51
Purge Unit ...............................................................................4-56
BJ Cartridge ............................................................................4-58
Structure of Image Signals........................................................5-3
Transmission Time....................................................................5-5
Why is Coding Necessary?.......................................................5-8
MH Coding Scheme (One-dimensional Coding Scheme).......5-10
MR Coding Scheme (Two-dimensional Coding Scheme).......5-17
MMR Coding Scheme.............................................................5-28
JBIG Image Compression Encoding Scheme.........................5-29
Modulation and Demodulation ................................................5-45
Shift and Modulation Methods ................................................5-46
Modulation Methods up to 9600 bps.......................................5-47
High-speed MODEMs above 14400 bps ................................5-55
V.17 (V.33) MODEM Technology ...........................................5-55
V.34 MODEM Technology ......................................................5-73
Outline of Transmission Control Procedures ..........................5-89
Signal Types ...........................................................................5-90
Basic Transmission Control Procedure...................................5-91
Procedures for Performing Individual Page Control
(Q signals).............................................................................5-100
Training .................................................................................5-102
Method for Detecting Image Signal Transmission Errors .....5-104