How to resolve printer keeps going offline error?

Printer offline is one of the most difficult technical problems that can affect the printing tasks. It can occur anytime without giving any warning message or notification. Really, it is a difficult technical glitch that can make every user annoying and worrying. When I attempt to print the urgent documents, my printing machine goes offline mode immediately. I am getting the message why does my hp printer keeps going offline problem. I have no real reasons for this technical error, hence I need to take proper technical support or help from online experts. Anyone can guide me