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Troubleshooting and Routine Maintenance
89
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Sending Faxes
Difficulty Suggestions
Cannot send a fax Check the line cord connection.
Make sure that the Fax key is illuminated. (See Entering Fax mode
on page 26.)
Ask the other party to check that the receiving machine has paper.
Print the Transmission Verification Report and check for an error. (See Reports
on page 48.)
Transmission Verification Report
says ‘Result:NG’ or
‘Result:ERROR’.
There is probably temporary noise or static on the line. Try sending the fax again.
If you send a PC FAX message and get ‘Result:ERROR’ on the Transmission
Verification Report, your machine may be out of memory. If the problem continues,
ask the telephone company to check your telephone line.
If you often get transmission errors due to possible interference on the telephone
line, try changing the menu setting of Compatibility to Basic(for VoIP). (See
Telephone line interference on page 91.)
If you connect your machine to PBX or ISDN, set the menu setting of Telephone
Line Type to your telephone type. (See Telephone line interference on page 91.)
Poor fax send quality. Try changing your resolution to Fine or S.Fine. Make a copy to check your
machine's scanner operation. If the copy quality is not good, clean the scanner.
(See Cleaning the scanner glass on page 103.)
Vertical black lines when sending.
(MFC-290C only)
If the copy you made shows the same problem, clean the scanner. (See Cleaning
the scanner glass on page 103.)
Handling Incoming Calls
Difficulty Suggestions
The machine ‘Hears’ a voice as a
CNG Tone.
If Fax Detect is set to On, your machine is more sensitive to sounds. It may
mistakenly interpret certain voices or music on the line as a fax machine calling
and respond with fax receiving tones. Deactivate the machine by pressing
Stop/Exit. Try avoiding this problem by turning Fax Detect to Off. (See Fax Detect
on page 35.)
Sending a fax call to the machine. If you answered at the machine, press Mono Start and hang up at once. If you
answered on an external or extension telephone, press your Remote Activation
Code (default setting is l51). When your machine answers, hang up.
Custom features on a single line. If you have Call Waiting, Call Waiting/Caller ID, an alarm system or any other
custom feature on a single telephone line with your machine, it may create a
problem sending or receiving faxes.
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 interruption is crucial to your business, a separate telephone line with no
custom features is recommended.