Hey There, I am Sofia Carter. Sometimes, not the driver issue but just a simple connection problem between your computer and your HP Printer could be the reason for arising HP Printer Driver Is Unavailable problem. So, before trying to “Update and Re-Install the Printer Driver”, what best you need to try is unplug the USB cable from your printer and then slightly plug it back in. This may resolve printer driver unavailable problematic issues. If you are yet encountering the same problem, without wasting your precious time make a direct connection with us. We are available round the clock at a 24/7 opened helpline number. We are happy to provide you with a satisfying solution.