Canon iR2000 Series, Service Manual

Page: 664 / 738

COPYRIGHT © 2002 CANON INC. CANON FAX BOARD REV.0 MAR. 2002
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CONTENTS
Contents
CHAPTER 1 INTRODUCTION
1 Introduction ........................................ 1-1 2 Specifications ..................................... 1-2
1 Outline of Electrical Circuitry ........... 2-1
1.1 Block Diagram of the G3 Fax
Function ..................................... 2-1
1.2 Functions ................................... 2-2
1.3 Functional Diagram of the G3
Multiport .................................... 2-3
1.4 Functions ................................... 2-4
2 Communication System ..................... 2-5
2.1 Line Selection (if equipped with
G3 multiport) ............................. 2-5
2.1.1 Line Selection Number ....... 2-5
2.1.2 List of Functions ................. 2-6
CHAPTER 2 BASIC OPERATION
1 Points to Note When
Troubleshooting ................................. 3-1
1.1
When Turning Off the
Main Power ............................... 3-1
2 Faults at Time of Installation ............. 3-2
3 General Faults .................................... 3-2
4 Correcting Communication Faults .... 3-3
4.1 Initial Identification of a Fault .. 3-3
4.2 Correcting Communication
Faults ......................................... 3-4
4.2.1 Correcting Faults ................. 3-4
4.3 Recording the Sound of the
Communications Procedure ...... 3-6
5 Upgrading ........................................... 3-6
6 Service Switch .................................... 3-7
6.1 Hardware Switch
(230V model) ............................ 3-7
CHAPTER 3 TROUBLESHOOTING