COPYRIGHT © 1999 CANON INC.
CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Super G3 FAX
Board-G1
COPYRIGHT © 1999 CANON INC.
CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
This service manual describes the following items:
·
Product quality and functions of the fax function provided with this unit.
·
Basic information required in performing field service of the fax function.
For information on basic information required in maintaining product quality and func-
tions as well as performing field service, refer to the service manual supplied with the
unit.
Each chapter consists of the following sections:
Chapter 1, "Introduction," : Product overview, Specifications, Precautions to be taken
in servicing.
Chapter 2, "Operation overview," : Basic operation, Description of functions.
Chapter 3, "Mechanical system," : Modem board, NCU board, modular board.
Appendix : General circuit diagram.
Changes of the contents made for the sake of product improvements will be notified
in Service Information (Technical Information) whenever such changes are made.
Gaining a sound and thorough understanding of the unit through careful reading of
this service manual and the subsequently issued Service information (Technical infor-
mation) bulletins is the only way to develop the technical skill necessary to maintain prod-
uct quality and functionality and the practical ability to be able to determine the cause of
breakdowns.
i
INTRODUCTION
ii
COPYRIGHT © 1999 CANON INC.
CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
iii
CONTENTS
CHAPTER 1 INTRODUCTION
CHAPTER 2 OPERATION OVERVIEW
CHAPTER 3 MECHANICAL SYSTEM
I.
PRODUCT OVERVIEW ...........................1-1
II.
SPECIFICATIONS....................................1-2
A. Standards and performance ..............1-2
III.
NAMES OF PARTS..................................1-7
A. Fax function layout .............................1-7
IV.
CONTROL SECTION...............................1-8
A. Control panel......................................1-8
B. Master password................................1-9
V.
PRECAUTIONS TO BE TAKEN IN
SERVICING............................................1-10
A. Battery backup function ...................1-10
B. Backup data types ...........................1-12
C. Printing backup data information
lists ...................................................1-14
D. Printing transmitted image data .......1-14
E. Transfer print of received image
data ..................................................1-14
F.
Data that can be deleted/initialized
in service mode................................1-15
I.
BASIC OPERATION.................................2-1
A. Function construction.........................2-1
B. Fax function section I/O .....................2-3
II.
SCANNING SYSTEM ..............................2-4
A. Document scanning ...........................2-4
B. Scanning operation ............................2-5
C. Memory ..............................................2-6
D. Processing when memory is full ........2-8
III.
RECORDING SYSTEM ...........................2-9
A. Output sequence................................2-9
B. Recording system ..............................2-9
C. Image rotation function ....................2-19
IV.
COMMUNICATIONS SYSTEM ..............2-20
A. Image transmission rate...................2-20
B. V.8/V.34 protocols ............................2-22
C. Direct transmission ..........................2-39
D. Delayed memory transmission.........2-40
E. Broadast transmission .....................2-40
F.
Delayed transmission/
delayed broadcast transmission.......2-41
G. Polling reception/
multipolling reception .......................2-41
H. Fixed time polling reception/
fixed time multipolling reception.......2-42
I.
Remote reception.............................2-42
J.
Paper size declaration during
reception ..........................................2-43
V.
LAYOUT AND ROLE OF ELECTRIC
COMPONENTS .....................................2-44
A. Fax PCB types .................................2-44
B. List of variable resistors (VR), check
pins by printed circuit board.............2-45
I.
PREPARATORY WORK/
PRECAUTIONS .......................................3-1
A. Turning off main power switch ...........3-1
II.
DISASSEMBLY/ ASSEMBLY ...................3-2
A. Installing fax function PCB .................3-2
COPYRIGHT © 1999 CANON INC.
CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)