Brother MFC-J4420DW Printer User Manual


 
Troubleshooting
65
B
Dial Tone detection B
Setting the dial tone to Detection will shorten
the dial detect pause.
a Press (Settings).
b Press All Settings.
c Press a or b to display
Initial Setup.
d Press Initial Setup.
e Press a or b to display Dial Tone.
f Press Dial Tone.
g Press Detection or No Detection.
h Press .
Telephone Line Interference
or VoIP System B
If you are having problems sending or
receiving a fax due to possible interference
on the telephone line, or if you are using a
VoIP system, we recommend that you
change the modem speed to minimize errors
in fax operations.
a Press (Settings).
b Press All Settings.
c Press a or b to display
Initial Setup.
d Press Initial Setup.
e Press a or b to display
Compatibility.
f Press Compatibility.
g Press Normal or Basic(for VoIP).
Basic(for VoIP) reduces the
modem speed to 9,600 bps and
turns off color fax receiving and Error
Correction Mode (ECM), except for
color fax-sending. Unless
interference is a recurring problem
on your telephone line, you may
prefer to use it only when needed.
To improve compatibility with most
VoIP services, Brother recommends
changing the compatibility setting to
Basic(for VoIP) .
Normal sets the modem speed at
14,400 bps.
h Press .
NOTE
VoIP (Voice over IP) is a type of phone
system that uses an Internet connection,
rather than a traditional phone line.