Troubleshooting and Routine Maintenance
155
B
Dial Tone
B
Setting the dial tone to Detection will shorten
the dial detect pause.
a
Press
MENU
.
b
Press
a
or
b
to display
Initial Setup
.
c
Press
Initial Setup
.
d
Press
a
or
b
to display
Dial Tone
.
e
Press
Dial Tone
.
f
Press
Detection
or
No Detection
.
g
Press
Stop/Exit
.
Telephone line interference
B
If you are having problems sending or
receiving a fax due to possible interference
on the telephone line, we recommend that
you adjust the Equalization for compatibility
to reduce the modem speed for fax
operations.
a
Press
MENU
.
b
Press
a
or
b
to display
Fax
.
c
Press
Fax
.
d
Press
a
or
b
to display
Miscellaneous
.
e
Press
Miscellaneous
.
f
Press
a
or
b
to display
Compatibility
.
g
Press
Compatibility
.
h
Press
High
,
Normal
or
Basic(for VoIP)
.
Basic(for VoIP)
reduces the
modem speed to 9600 bps. Unless
interference is a recurring problem
on your telephone line, you may
prefer to use it only when needed.
Normal
sets the modem speed at
14400 bps.
High
increases the modem speed to
33600 bps. (factory setting)
i
Press
Stop/Exit
.
Note
When you change the compatibility to
Basic(for VoIP)
, the ECM feature is
only available for color fax sending.
Summary of Contents for MFC 6890CDW
Page 1: ...USER S GUIDE MFC 6890CDW Version 0 USA CAN ...
Page 110: ...Chapter 10 94 ...
Page 111: ...Section III Copy III Making copies 96 ...
Page 124: ...Chapter 11 108 ...
Page 147: ...Section V Software V Software and Network features 132 ...