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HP OfficeJet Pro 7720 Manual

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● If you are using a phone splitter, this can cause faxing problems. (A splitter is a two-cord connector that
plugs into a telephone wall jack.) Try removing the splitter and connecting the printer directly to the
telephone wall jack.
After you resolve any problems found, run the fax test again to make sure it passes and the printer is ready
for faxing. If the Fax Hardware Test continues to fail and you experience problems faxing, contact HP
support. Go to www.support.hp.com . This website provides information and utilities that can help you correct
many common printer problems. If prompted, select your country/region, and then click All HP Contacts for
information on calling for technical support.
The "Fax Connected to Active Telephone Wall Jack" test failed
● Check the connection between the telephone wall jack and the printer to make sure the phone cord is
secure.
● Connect one end of the phone cord to your telephone wall jack, then connect the other end to the port
labeled 1-LINE on the back of the printer.
● If you are using a phone splitter, this can cause faxing problems. (A splitter is a two-cord connector that
plugs into a telephone wall jack.) Try removing the splitter and connecting the printer directly to the
telephone wall jack.
● Try connecting a working phone and phone cord to the telephone wall jack that you are using for the
printer and check for a dial tone. If you do not hear a dial tone, contact your telephone company and
have them check the line.
● Try to send or receive a test fax. If you can send or receive a fax successfully, there might not be
a problem.
After you resolve any problems found, run the fax test again to make sure it passes and the printer is ready
for faxing.
The "Phone Cord Connected to Correct Port on Fax" test failed
If you are using a phone splitter, this can cause faxing problems. (A splitter is a two-cord connector that plugs
into a telephone wall jack.) Try removing the splitter and connecting the printer directly to the telephone wall
jack.
Plug the phone cord into the correct port
1. Connect one end of the phone cord to your telephone wall jack, then connect the other end to the port
labeled 1-LINE on the back of the printer.
NOTE: If you use the 2-EXT port to connect to the telephone wall jack, you cannot send or receive
faxes. The 2-EXT port should only be used to connect other equipment, such as an answering machine.
124 Chapter 10 Solve a problem ENWW
… 137 …


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  • How do I reset the printer to its original ex factory settings? Can I step the firmware back to the original version when first delivered? Submitted on 27-10-2023 at 08:07

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