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ENWW 4 Faxing 81
Is your fax set up correctly?
Use the following checklist to help identify the cause of any fax-related problems that you
encounter.
● Are you using the phone cord that came with the MFP?
The fax functionality has been tested with the supplied phone cord to meet RJ11
specifications. Do not substitute another phone cord. The analog fax requires an
analog phone cord. It also requires an analog phone connection.
● Is the fax/phone line connector seated in the socket on the fax?
Make sure that the phone jack is well seated in the socket. The connector should be
inserted all the way into the socket, until it is secure.
● Is the phone jack on the wall working?
Verify that a dial tone exists by attaching a phone to the phone jack on the wall. Can
you hear a dial tone, and can you make a phone call?
What type of phone line are you using?
● Dedicated line: A standard fax/phone number assigned to receive or send faxes.
● PBX system: A business-environment phone system. Standard home phones and the
fax use an analog phone signal. Some PBX systems are digital and might not be
compatible with the fax. You need to have access to a standard analog phone line to
be able to send and receive faxes.
● Roll-over lines: A phone system feature where a new call “rolls over” to the next
available line when the first incoming line is busy. Try attaching the fax to the first
incoming phone line. The fax will answer the phone after it rings the number of times
that is set in the rings-to-answer setting (see “Setting rings-to-answer” on page 70).
Note Roll-over lines can cause problems with the ability to receive faxes. HP recommends that
you do not use roll-over lines.
Are you using a phone-line splitter?
Parallel or “T” phone-line splitters should not be used with the fax because they can
degrade the quality of the phone signal.
Are you using a surge-protection device?
A surge-protection device can be used between the wall jack and the fax to protect the fax
against electrical power that passes through the phone lines. These devices can cause
some fax communication problems by degrading the quality of the phone signal. If you are
having problems sending or receiving faxes and are using one of these devices, connect
the fax directly to the phone jack on the wall to determine whether the problem is with the
surge-protection device.