Solution: If the HP All-in-One is not properly connected to the computer,
communication errors can occur. Make sure the USB cable is securely connected to
the HP All-in-One and the computer, as shown below.
For more information, see:
Communication problems over a USB connection
Communication test failed
Cause: The HP All-in-One is turned off.
Solution: Look at the On light located on the front of the HP All-in-One. If it 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 computer is not communicating with the HP All-in-One.
Solution: If the HP All-in-One is not properly connected to the computer,
communication errors can occur. Make sure the USB cable is connected to the HP All-
in-One and the computer as shown below.
Chapter 12
122 Troubleshooting
Troubleshooting
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