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3. Using the phone cord supplied in the box with the HP All-in-One, connect one end
to your telephone wall jack, then connect the other end to the port labeled 1-LINE
on the back of the HP All-in-One.
Note If you do not use the supplied cord to connect from the telephone wall
jack to the HP All-in-One, you might not be able to fax successfully. This
special phone cord is different from the phone cords you might already have
in your home or office.
4. If your modem software is set to receive faxes to your computer automatically, turn
off that setting.
Note If you do not turn off the automatic fax reception setting in your modem
software, the HP All-in-One will not be able to receive faxes.
5. Turn on the Auto Answer setting.
6. (Optional) Change the Rings to Answer setting to the lowest setting (two rings).
7. Run a fax test.
When the phone rings, the HP All-in-One will answer automatically after the number of
rings you set in the Rings to Answer setting. Then it will begin emitting fax reception
tones to the sending fax machine and receive the fax.
Case H: Shared voice/fax line with computer dial-up modem
If you receive both voice calls and fax calls at the same phone number, and you also
have a computer dial-up modem connected on this phone line, set up the HP All-in-One
as described in this section.
Since your computer dial-up modem shares the phone line with the HP All-in-One, you
will not be able to use both your modem and the HP All-in-One simultaneously. For
example, you cannot use the HP All-in-One for faxing if you are using your computer dial-
up modem to send an e-mail or access the Internet.
There are two different ways to set up the HP All-in-One with your computer based on
the number of phone ports on your computer. Before you begin, check your computer to
see if it has one or two phone ports.
● If your computer has only one phone port, you will need to purchase a parallel splitter
(also called a coupler), as shown below. (A parallel splitter has one RJ-11 port on
the front and two RJ-11 ports on the back. Do not use a 2-line phone splitter, a serial
Chapter 3
46 HP Photosmart C7100 All-in-One series
Fax setup