The display always shows phone off hook, The "fax line condition" test failed – HP Officejet Pro 8600 User Manual

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The "Fax Line Condition" test failed

Solution:

Make sure you connect the printer to an analog phone line or you cannot
send or receive faxes. To check if your phone line is digital, connect
a regular analog phone to the line and listen for a dial tone. If you do not
hear a normal sounding dial tone, it might be a phone line set up for digital
phones. Connect the printer to an analog phone line and try sending or
receiving a fax.

Check the connection between the telephone wall jack and the printer to
make sure the phone cord is secure.

Make sure you have correctly connected the printer to the telephone wall
jack. Using the phone cord supplied in the box with the printer, connect one
end to your telephone wall jack, then connect the other end to the port
labeled 1-LINE on the back of the printer.

Other equipment, which uses the same phone line as the printer, might be
causing the test to fail. To find out if other equipment is causing a problem,
disconnect everything from the phone line, and then run the test again.

If the Fax Line Condition Test passes without the other equipment,
then one or more pieces of the equipment is causing problems; try
adding them back one at a time and rerunning the test each time, until
you identify which piece of equipment is causing the problem.

If the Fax Line Condition Test fails without the other equipment,
connect the printer to a working phone line and continue reviewing the
troubleshooting information in this section.

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.

Make sure you use the phone cord that came with the printer. If you do not
use the supplied phone cord to connect from the telephone wall jack to the
printer, you might not be able to send or receive faxes. After you plug in the
phone cord that came with the printer, run the fax test again.

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 Line Condition test
continues to fail and you experience problems faxing, contact your telephone
company and have them check the phone line.

The display always shows Phone Off Hook

Solution: You are using the wrong type of phone cord. Make sure you are
using the phone cord that came with the printer to connect the printer to your
phone line. If the phone cord that came with the printer is not long enough, you
can use a coupler to extend the length. You can purchase a coupler at an
electronics store that carries phone accessories. You also need another phone
cord, which can be a standard phone cord that you might already have in your
home or office.

Solve fax problems

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