HP Photosmart A320 Compact Photo Printer - Manual (Page 36)

"Printing cancelled" or "Unable to communicate with printer."
Cause: The printer may have lost power or been turned off, or the USB cable
connecting the printer to a PictBridge device or to a computer may have come loose.
Solution: Make sure that the printer is turned on and that the camera USB cable is
firmly connected to the PictBridge port on the top of the printer. You might need to
resend your print job.
Chapter 6
34 Troubleshooting