While printing the necessary documents through my HP printer, I am getting the warning message such as HP printer offline. When I give a printing command for printing the documents through my HP printer, I am facing offline error with my printing device. I am also facing the error message such as why does my HP printer keeps going offline error. This offline error is one of the difficult problems, which has made me more worried. Hence, I am into a critical technical situation. So please anyone can help me for solving this offline error.