The error message 'two-way communication cannot be established' or
'printer not responding' appears
The printer might not be able to communicate with the computer if the USB cable is
If you receive this error message, ensure the USB cable is not greater than five
meters (approximately 16 feet, 5 inches) in length. Connect the printer directly to
the USB port on the computer and not to a USB hub.
HP Deskjet 6800 series printer