HP Photosmart C4270 All-in-One Printer - Manual (Page 108)

Solution: Turn the HP All-in-One off, remove any objects that are blocking the print
carriage (including any packing materials), and then turn the HP All-in-One on again.
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.
If the connections are secure, and nothing has printed several minutes after you sent
a print job to the HP All-in-One, check the status of the HP All-in-One. In the
HP Photosmart Software, click Status.
For more information, see:
“Communication problems over a USB connection” on page 79
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.
Cause: The HP All-in-One experienced an error.
Solution: Turn the HP All-in-One off, and then unplug the power cord. Plug the
power cord back in, and then press the On button to turn on the HP All-in-One.
Cause: The status of the printer driver has changed.
Print troubleshooting 105
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