Brother FAX 1840C - Manual (Page 158)

TROUBLESHOOTING AND ROUTINE MAINTENANCE 12 - 14
Compatibility
If you are having difficulty sending or receiving a fax due to possible
interference on the phone line, we recommend that you adjust the
Equalization for compatibility with your phone line. The machine
adjusts the modem speed for fax operations.
1
Press Menu/Set , 2 , 0 , 1 .
2
Press ▲ or ▼ to select Basic ,
(or Normal ).
Press Menu/Set .
3
Press Stop/Exit .
For FAX-1940CN, MFC-3240C and MFC-3340CN, you can
select
High to return to 33600 bps.
■
Basic reduces the modem speed to 9600 bps. Unless
interference is a recurring problem on your phone line, you
may prefer to use it only when needed.
■
Normal sets the modem speed at 14400 bps.
1.Compatibility