User Manual
Table Of Contents
- Basic User’s Guide MFC-J4320DW MFC-J4420DW
- Brother numbers
- Ordering accessories and supplies
- Notice - Disclaimer of Warranties (USA and Canada)
- Compilation and Publication Notice
- You can use the following features!
- User's Guides and where to find them
- The Online User’s Guide helps you get the most out of your machine.
- If you have questions or problems, please take a look at your model’s FAQs.
- Table of Contents
- 1 General information
- 2 Loading paper
- 3 Loading documents
- 4 Printing from a computer
- 5 Copying
- 6 Scanning to a computer
- 7 PhotoCapture Center: Printing photos from a USB flash drive
- 8 Telephone services and external devices
- 9 Sending a fax
- 10 Receiving a fax
- A Routine maintenance
- B Troubleshooting
- Index
- Supplies
- brother USA/CAN
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.










