HP LaserJet 3330mfp Handbuch Seite 11

Note
ENXC
It is possible to connect devices to another phone jack for the same phone
line (in another room, for example); however, the devices may interfere
with faxing and with each other.
When you have decided upon all of the additional devices you want to
connect, check the following list of possible combinations. Each
combination of additional devices has specific instructions for how to
accomplish the connection.
To connect these additional
devices
A phone only
An answering machine and a
phone
An internal or external computer
modem (with or without voicemail),
an answering machine, and a
phone
An internal or external computer
modem and a phone
See the instructions
"To connect a phone only" on
page 10
"To connect an answering machine
and a phone" on page 11
"To connect a modem, an
answering machine, and a phone"
on page 13
"To connect a modem and a
phone" on page 12
Connecting additional devices 9