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132
Setting dial tone detection
C
Setting the dial tone to
Detection
will
shorten the dial tone detect pause.
a
(USA) Press
Menu
,
0
,
4
.
(Canada) Press
Menu
,
0
,
5
.
04.Dial Tone
a
Detection
b
No Detection
Select
ab
or OK
b
Press
a
or
b
to choose
Detection
or
No Detection
Press
OK
.
c
Press
Stop/Exit
.
Telephone line interference
C
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
.
20.Miscellaneous
1.Compatibility
a
High
b
Normal
Select
ab
or OK
b
Press
a
or
b
to choose
Basic(for VoIP)
or
Normal
(or
High
).
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.
Press
OK
.
c
Press
Stop/Exit
.
Note
When you change the compatibility to
Basic(for VoIP)
, the ECM feature is
only available for color fax sending.
Summary of Contents for 9840CDW - Color Laser - All-in-One
Page 1: ...USER S GUIDE MFC 9840CDW Version B USA CAN ...
Page 92: ...Chapter 11 76 ...
Page 93: ...Section III Copy III Making copies 78 ...
Page 102: ...Chapter 12 86 ...
Page 110: ...Chapter 14 94 ...
Page 111: ...Section V Software V Software and network features 96 ...