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Then, run a fax test to check the status of the HP All-in-One and to make sure you set it up
properly.
The HP All-in-One prints a report with the results of the test. If the test fails, review the report
for information on how to fix the problem.
Cause The HP All-in-One is turned off.
Solution Look at the display on the HP All-in-One. If the display is blank and the On button
is not lit, the HP All-in-One is turned off. Make sure the power cord is firmly connected to the
HP All-in-One and plugged into a power outlet. Press the On button to turn on the HP All-in-
One.
Cause The wrong phone cord is used to connect the HP All-in-One or the phone cord is
plugged into the wrong port.
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 the HP All-in-One to connect to
the telephone wall jack. One end of this special 2-wire phone cord should be connected to the
port labeled 1-LINE on the back of the HP All-in-One and the other end to your telephone wall
jack, as shown below.
1 Telephone wall jack
2 Use the phone cord supplied in the box with the HP All-in-One
This special 2-wire phone cord is different from the more common 4-wire phone cords you
might already have in your office. Check the end of the cord and compare it to the two types
of cords shown below.
Chapter 5
82 HP Photosmart C7100 All-in-One series
Troubleshooting and support