Brother HL-4140CN User Manual page 159

Receiving Faxes (continued)
Difficulties
Cannot receive a fax.
(continued)
Sending faxes
Difficulties
Poor sending quality.
Transmission Verification Report
says RESULT:ERROR.
Sent faxes are blank.
Vertical black lines when sending.
Cannot send a fax.
130
Suggestions
If you are using a telephone answering machine (External TAD mode) on the
same line as the Brother machine, make sure your answering machine is set up
correctly. (See Connecting an external TAD on page 37.)
1 Connect the external TAD as shown in the illustration on page 37.
2 Set your answering machine to answer in one or two rings.
3 Record the outgoing message on your answering machine.
 Record five seconds of silence at the beginning of your outgoing
message.
 Limit your speaking to 20 seconds.
End your outgoing message with your Remote Activation Code for people

sending manual faxes. For example: "After the beep, leave a message or
press l51 and Start to send a fax."
4 Set your answering machine to answer calls.
5 Set your Brother machine's Receive Mode to External TAD. (See Receive
Mode settings on page 34.)
Make sure your Brother machine's Fax Detect feature is turned On. Fax Detect is
a feature that allows you to receive a fax even if you have answered the call on an
external or extension telephone. (See Fax Detect on page 35.)
If you often get transmission errors due to possible interference on the telephone
line, try changing the Compatibility setting to Basic(for VoIP). (See
Telephone line interference / VoIP on page 137.)
Contact your administrator to check your Secure Function Lock Settings.
Suggestions
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 88.)
There is probably temporary noise or static on the line. Try sending the fax again.
If you are sending a PC-Fax message and get RESULT:ERROR on the
Transmission Verification Report, your machine may be out of memory. To free up
extra memory, you can turn off fax storage (see Changing Remote Fax Options in
Chapter 4 of the Advanced User's Guide), print fax messages in memory (see
Printing a fax from the memory in Chapter 4 of the Advanced User's Guide) or
cancel a delayed fax or polling job (see Checking and cancelling waiting jobs in
Chapter 3 of the Advanced User's Guide). 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 Compatibility setting to Basic(for VoIP). (See
Telephone line interference / VoIP on page 137.)
Make sure you are loading the document properly. (See Loading documents
on page 26.)
Black vertical lines on faxes you send are typically caused by dirt or correction fluid
on the glass strip. (See Cleaning the scanner glass on page 88.)
Contact your administrator to check your Secure Function Lock Settings.