HP Photosmart 7520 e-All-in-One Printer - Manual (Page 91)

If you use your phone line for voice, fax, and your computer dial-up modem, follow these directions to set up your
fax.
If you encounter problems setting up the printer with optional equipment, contact your local service provider or
vendor for further assistance.
Shared voice/fax with computer DSL/ADSL modem
Use these instructions if your computer has a DSL/ADSL modem
1 Telephone wall jack
2 Parallel splitter
3 DSL/ADSL filter
4 Use the phone cord provided to connect to the 1-LINE port on the back of the printer.
You might need to connect the supplied phone cord to the adapter provided for your country/
region.
5 DSL/ADSL modem
6 Computer
7 Telephone
NOTE: You need to purchase a parallel splitter. 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 splitter, or a parallel splitter which has
two RJ-11 ports on the front and a plug on the back.
Set up faxing (parallel phone systems) 89