Before Faxing - Brother MFC-L5700DN Reference Manual

6
Fax

Before Faxing

Set Telephone Line
Compatibility for
Interference and VoIP
Systems
Related Models:
MFC-L5700DN/MFC-L5750DW/MFC-L6800DW/
MFC-L6900DW
Problems sending and receiving faxes due to
possible interference on the telephone line
may be solved by reducing the modem speed
to minimise errors in fax transmission. If you
are using a Voice over IP (VoIP) service,
Brother recommends changing the
compatibility to Basic (for VoIP).
• VoIP is a type of phone system that
uses an Internet connection, rather
than a traditional phone line.
• Telephone providers frequently bundle
VoIP together with Internet and cable
services.
1
Press [Settings] > [All
Settings] > [Initial Setup] >
[Compatibility].
2
Press the option you want.
• Select [High] to set the modem
speed to 33600 bps.
• Select [Normal] to set the modem
speed to 14400 bps.
• Select [Basic(for VoIP)] to
reduce the modem speed to 9600
bps and turn off Error Correction
Mode (ECM). Unless interference is a
recurring problem on your telephone
line, you may prefer to use this option
only when needed.
3
Press .
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