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automatically. Modems with the auto fax receive feature turned on will receive
all incoming faxes, which prevents the HP all-in-one from receiving fax calls.
● If you have an answering machine on the same phone line with your HP all-
in-one, you might have one of the following problems:
– Your outgoing message might be too long or too loud to allow the HP all-
in-one to detect fax tones, and the calling fax machine might disconnect.
– Your answering machine might hang up too quickly after the outgoing
message plays if it does not detect someone trying to record a message,
as when a fax is calling. This prevents the HP all-in-one from detecting the
fax tones. This problem is most common with digital answering machines.
The following actions might help solve these problems:
– Make sure your HP all-in-one is set to receive faxes automatically. For
information on setting up your HP all-in-one to receive faxes
automatically, see Set up the HP all-in-one to receive faxes.
– Make sure the Rings to Answer setting is correct. Set your answering
machine to answer in 4 rings and your HP all-in-one to answer in the
maximum number of rings supported by your device. (The maximum
number of rings varies by country/region.) In this setup, the answering
machine will answer the call and the HP all-in-one will monitor the line. If
the HP all-in-one detects fax tones, the HP all-in-one will receive the fax.
If the call is a voice call, the answering machine will record the incoming
message. For information on setting the number of rings to answer, see
Set the number of rings before answering.
– Disconnect the answering machine and then try receiving a fax. If you can
receive a fax without the answering machine, the answering machine
might be causing the problem.
– Reconnect the answering machine and rerecord your outgoing message.
Make sure the message is as short as possible (no more than 10 seconds
long), and that you speak softly and slowly when recording it. At the end
of your outgoing message, record an additional 4 - 5 seconds of silence
with no background noise. Try to receive a fax again.
Note Some digital answering machines might not retain the recorded
silence at the end of your outgoing message. Play back your
outgoing message to check.
● If your HP all-in-one shares the same phone line with other types of phone
equipment, such as an answering machine, a PC modem, or multi-port switch
box, the fax signal level might be reduced. This can cause problems during fax
reception.
To find out if other equipment is causing a problem, disconnect everything
except the HP all-in-one from the phone line, and then try to receive a fax. If
you can receive faxes successfully without the other equipment, one or more
pieces of the other equipment is causing problems; try adding them back one
at a time and receiving a fax each time, until you identify which equipment is
causing the problem.
● If you have a special ring pattern for your fax phone number (using a distinctive
ring service through your telephone company), make sure that the Answer
Ring Pattern feature on your HP all-in-one is set to match. For example, if the
telephone company has assigned your fax number a double ring pattern, make
User Guide 167
Troubleshooting information