Brother International MFC 7440N Users Manual - English - Page 120

Telephone line interference

Page 120 highlights

Telephone line interference B If you are having difficulty 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, 2, 0, 1. Miscellaneous 1.Compatibility b Press a or b to choose Basic(for VoIP) or Normal or High (MFC-7840W). „ Basic(for VoIP) cuts the modem speed to 9600 bps. and turns the error correction mode (ECM) off. For a standard telephone line: If you regularly experience interference on your standard telephone line try this setting. If you are using VoIP: VoIP service providers offer fax support using various standards. If you regularly experience fax transmission errors try this setting. „ Normal sets the modem speed at 14400 bps. „ High sets the modem speed at 33600 bps. (MFC-7840W only) Press OK. c Press Stop/Exit. Note When you change the compatibility to Basic(for VoIP), the ECM feature is not available. 106

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106
Telephone line interference
B
If you are having difficulty 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
,
2
,
0
,
1
.
Miscellaneous
1.Compatibility
b
Press
a
or
b
to choose
Basic(for VoIP)
or
Normal
or
High
(MFC-7840W).
±
Basic(for VoIP)
cuts the
modem speed to 9600 bps. and
turns the error correction mode
(ECM) off.
For a standard telephone line: If you
regularly experience interference on
your standard telephone line try this
setting.
If you are using VoIP: VoIP service
providers offer fax support using
various standards. If you regularly
experience fax transmission errors
try this setting.
±
Normal
sets the modem speed at
14400 bps.
±
High
sets the modem speed at
33600 bps. (MFC-7840W only)
Press
OK
.
c
Press
Stop/Exit
.
Note
When you change the compatibility to
Basic(for VoIP)
, the ECM feature is
not available.