Canon LASER CLASS 730i Service Manual page 127

LASER CLASS 730i/720i/710 Chapter 4: Maintenance and Service
• Procedures for processing communication problems with Canon facsimile.
The process for carrying out communications at three points as shown in the figure.
Start
Transmission
or reception?
Reception
C A
NG
Check A.
Figure 4-12 Flowchart for Processing Communication Troubles
Transmission
OK
OK
B C
NG
Chec k B.
with Canon Facsimile
4-44
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
A C
NG
NG
Check A. Check B.
OK
C B
Check the
line.