Users of the HP scanner often face-scanning problems and other technical issues. It is possible that there are some basic issues with the Scanner so try the steps mentioned to fix HP Scanner Not Working. First of all, make sure that the Scanner is turned on and the USB cable is connected properly and check whether the Scanner is being detected by the computer. You should try replacing the USB cable of Scanner and check for other related services. Also, the Scanner may be facing some issues with the other device, i.e., computer and printer. There are chances that the Scanner is not able to scan due to firewall settings. If this is the case, you have to enable it through the firewall so that you can solve the HP Scanner not working issue.