MFC-J1010DW User's Guide

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Home > Troubleshooting > If You Are Having Difficulty with Your Machine > Telephone and Fax

Problems > Telephone Line Interference/VoIP

Telephone Line Interference/VoIP

If you are having problems sending or receiving a fax due to possible interference on the telephone line or if you

are using a VoIP system, we recommend changing the modem speed to minimize errors in fax operations.

>> MFC-J1010DW/MFC-J1012DW

>> MFC-J1170DW

MFC-J1010DW/MFC-J1012DW

1. Press Settings.

2. Press a or b to make your selections:

a. Select [Initial Setup]. Press OK.

b. Select [Compatibility]. Press OK.

c. Select [Normal] or [Basic(for VoIP)]. Press OK.

• [Basic(for VoIP)] reduces the modem speed to 9,600 bps and turns off color fax receiving and

Error Correction Mode (ECM), except for color fax-sending. Unless interference is a recurring problem

on your telephone line, you may prefer to use it only when needed.

To improve compatibility with most VoIP services, Brother recommends changing the compatibility

setting to [Basic(for VoIP)].

• [Normal] sets the modem speed at 14,400 bps.

3. Press Stop/Exit.

• VoIP (Voice over IP) is a type of phone system that uses an Internet connection, rather than a traditional

phone line.

MFC-J1170DW

1. Press

[Settings] > [All Settings] > [Initial Setup] > [Compatibility].

2. Press the option you want.

• [Basic(for VoIP)] reduces the modem speed to 9,600 bps and turns off color fax receiving and Error

Correction Mode (ECM), except for color fax-sending. Unless interference is a recurring problem on your

telephone line, you may prefer to use it only when needed.

To improve compatibility with most VoIP services, Brother recommends changing the compatibility setting

to [Basic(for VoIP)].

• [Normal] sets the modem speed at 14,400 bps.

3. Press

• VoIP (Voice over IP) is a type of phone system that uses an Internet connection, rather than a traditional

phone line.

Related Information

• Telephone and Fax Problems

User's Guide - Page 418