Brother MFC 9970CDW User Manual download pdf (Page 151)

Troubleshooting

143

B

Setting Dial Tone detection B

When you send a fax automatically, by

default your machine will wait for a fixed

amount of time before it starts to dial the

number. By changing the Dial Tone setting to

Detection you can make your machine dial

as soon as it detects a dial tone. This setting

can save a small amount of time when

sending a fax to many different numbers. If

you change the setting and start having

problems with dialling you should change

back to the default No Detection setting.

a Press MENU.

b Press a or b to display

Initial Setup.

Press Initial Setup.

c Press a or b to display Dial Tone.

Press Dial Tone.

d Press Detection or No Detection.

e Press Stop/Exit.

Telephone line interference /

VoIP 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.

b Press a or b to display Fax.

Press Fax.

c Press a or b to display

Miscellaneous.

Press Miscellaneous.

d Press Compatibility.

e Press Basic(for VoIP), Normal or

High.

 Basic(for VoIP) reduces 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.

f Press Stop/Exit.

Note

When you change the Compatibility to

Basic(for VoIP), the ECM feature is

only available for colour fax sending.

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