from web site
Apply the correct method to fix B80B4696 error on HP printer. Power on your printer. Leave the printer on and idle for about 1 hour. After that, remove the power cord from the printer. Unplug the power cord from the wall outlet. Wait a minute or two, then plug the power cord back into the wall outlet. Plug the power cord back into the printer. Turn on the printer if it doesn’t turn on automatically. Now, check whether your HP printer is still showing the B80B4696 error.
