The HP printer is one of the most popular choices among the general public. However, even the most advanced HP printer models might have issues owing to faulty or outdated drivers. You've probably noticed that when you go to print an essential document, a notification on the screen says "HP printer out of paper." This issue could be caused by a variety of factors. Let's see what you can do if you run into this problem.Check to see if the panel at the back of the printer is in place. If a piece of paper becomes stuck in the back panel, the message "HP printer out of paper" appears. Remove any crumpled paper from the panel before replacing it on the printer.