To troubleshoot an HP printer that’s not printing, start by checking for error messages on the printer’s display and ensuring it’s powered on and connected properly. Verify that the printer is set as the default device on your computer and confirm ink or toner levels. Clear any paper jams and make sure the paper tray is loaded correctly. If print quality is poor or pages are blank, ru... https://sites.google.com/view/hp-printer-not-printing-1/home