Brother MFC MFC-7840W User Manual

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.

Brother MFC MFC-7840W Specifications

General

Print Technology	Laser
Print Resolution	Up to 2400 x 600 dpi
Paper Capacity	250 sheets
ADF Capacity	35 sheets
Scan Resolution	Up to 19200 x 19200 dpi (interpolated)
Fax Modem Speed	33.6 Kbps
Functions	Print, Copy, Scan, Fax
Maximum Copying Resolution	600 x 600 dpi
Optical Scan Resolution	600 x 2400 dpi
Wireless	Yes
Copy Resolution	600 x 600 dpi
Fax Transmission Speed	33.6 Kbps
Display	LCD
Weight	25.6 lbs
Connectivity	USB, Wireless
Scanner Type	Flatbed
Connectivity Technology	Wireless, USB
Printer Type	All-in-One
Scan Type	Flatbed, ADF