Canon MultiPASS MP390 Service Manual page 124

Start
Transmission Transmission
or reception?
Reception
OK
C A
B C
NG NG
Check A. Check B.
F-5-5
* Procedures for processing communication problems with other manufacturer's facsimiles.
When problems occur with other manufacturer's facsimiles, make the user of the other party's facsimile call the
serviceman in charge. Perform communication at the four points listed in the figure.
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Trouble
FAX:A FAX:B
FAX:C
A: Your customer's facsimile
B: Facsimile of other communication party
C: Facsimile for check in the same region. (C should
be the same model of facsimile as A.)
OK OK
A C C
NG
NG
Check A. Check B.
OK
B
Check the
line.
Chapter 5
5-23