User's Manual

phones. Connect your HP all-in-one to an analog phone line and try sending
or receiving a fax.
After you resolve any problems found, run the fax test again to make sure it passes
and your HP all-in-one is ready for faxing. If the Dial Tone Detection test
continues to fail, contact your telephone company and have them check the phone
line.
The HP all-in-one is having problems sending and receiving faxes
Solution
Note This possible solution applies only in the countries/regions that receive a 2-
wire phone cord in the box with the HP all-in-one, including: Argentina,
Australia, Brazil, Canada, Chile, China, Colombia, Greece, India, Indonesia,
Ireland, Japan, Korea, Latin America, Malaysia, Mexico, Philippines,
Poland, Portugal, Russia, Saudi Arabia, Singapore, Spain, Taiwan,
Thailand, USA, Venezuela, and Vietnam.
● Make sure you used the phone cord supplied in the box with your HP all-in-one
to connect to the telephone wall jack. One end of this special 2-wire cord
should be connected to the port labeled "1-LINE" on the back of your HP all-
in-one and the other end to your telephone wall jack, as shown below.
1 Telephone wall jack
2 Phone cord supplied in the box with your HP all-in-one
This special 2-wire cord is different from the more common 4-wire phone cords
you might already have in your home or office. Check the end of the cord and
compare it to the two types of cords shown below.
If you used the 4-wire phone cord, disconnect it, find the supplied 2-wire cord,
and then connect the 2-wire cord to the port labeled "1-LINE" on the back of
Chapter 16
182 HP Officejet 7300/7400 series all-in-one
Troubleshooting information