Telephone and Fax Problems
Related Models: MFC-B7715DW
Telephone Line or Connections
Dialling does not work. (No dial tone)
The machine does not answer when called.
Handling Incoming Calls
Sending a Fax Call to the machine.
Custom features on a single line.
> Telephone and Fax Problems
Check all line cord connections. Make sure the telephone
line cord is plugged into the telephone wall socket and the
LINE socket of the machine. If you subscribe to DSL or
VoIP services, contact your service provider for
(Available only for some countries.)
Change the Tone/Pulse setting.
If an external phone is connected to the machine, send a
manual fax by lifting the handset of the external telephone
and dialling the number using the external telephone.
Wait to hear the fax receiving tones before sending fax.
If there is no dial tone, connect a known working
telephone and telephone line cord to the socket. Then lift
the external telephone's handset and listen for a dial tone.
If there is still no dial tone, ask your telephone company
to check the line and/or wall socket.
Make sure the machine is in the correct receive mode for
Check for a dial tone. If possible, call your machine to
hear it answer. If there is still no answer, check that the
telephone line cord is plugged into the telephone wall
socket and the LINE socket of the machine. If there is no
ringing when you call your machine, ask your telephone
company to check the line.
If you answered on an extension or external telephone,
press your Remote Activation Code (the factory setting is
*51). If you answered on the external telephone, press
the Start button to receive the fax.
When your machine answers, hang up.
If you have Call Waiting, Call Waiting/Caller ID, Caller ID,
Voice Mail, an answering machine, an alarm system or
other custom feature on a single telephone line with your
machine, it may create a problem sending or receiving
For Example: If you subscribe to Call Waiting or some
other custom service and its signal comes through the
line while your machine is sending or receiving a fax, the
signal can temporarily interrupt or disrupt the faxes.
Brother's ECM (Error Correction Mode) feature should
help overcome this problem. This condition is related to
the telephone system industry and is common to all
devices that send and receive information on a single,
shared line with custom features. If avoiding a slight