COPYRIGHT © 2002 CANON INC. CANON FAX BOARD REV.0 MAR. 2002
3 - 3
CHAPTER 3 TROUBLESHOOTING
4 Correcting Communication Faults
4.1 Initial Identification of a Fault
A fax mechanism is a means of transmitting image data, and requires a transmitting de-
vice, receiving device, and a telephone line. A fault in any of these 3 devices can prevent
normal transmission of an image.
F03-401-01
To correct a communication fault, it is important first to narrow down on the cause. To
that end, make checks according to the following flow chart:
F03-401-02
FAX
FAX
User's device
Other party's device
Communication fault
Start
Can copies
be made?
The fault is with
communication; take
action as shown on the
pages that follow.
NG
Is the copy
image good?
NG
NO
Is an error
indicated on
the display?
The error indicated on the display
may take the form of the following:
error message
error code
General error
The fault is
with printing.
Make a
test print.
OK
The fault is
with reading.
NG
YES
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Page 665: ...COPYRIGHT 2002 CANON INC CANON FAX BOARD REV 0 MAR 2002 CHAPTER 1 INTRODUCTION ...
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Page 671: ...COPYRIGHT 2002 CANON INC CANON FAX BOARD REV 0 MAR 2002 CHAPTER 2 BASIC OPERATION ...
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Page 679: ...COPYRIGHT 2002 CANON INC CANON FAX BOARD REV 0 MAR 2002 CHAPTER 3 TROUBLESHOOTING ...
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