HP C4200 manual Communication test failed

Models: C4200

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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” on page 79

Communication test failed

Cause: The HP All-in-One is turned off.

Solution: Look at the On button located on the top 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.

Troubleshooting

Cause: The HP All-in-One is not connected to the computer.

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.

Errors 131

Page 134
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HP C4200 manual Communication test failed