If your printer spooler service is interrupted, then your printer does not print the docs. It may turn off. So, check it properly and ensure it is running properly. The method of restarting the spooler service is simple. First click on the start button, then you find the search box, here you have to type services. In the meantime, you will find a list of services. If you want to know more about it, you need to visit this link: HP Printer Offline Fix. Quickly roll down your eyes and search the printer spooler option with your sharp eyes. Once you manage to find it successfully, click right. You will get an option to restart it. Click it and in a few minutes, your printer spooler service will restart.