To fix an HP printer offline issue on Windows or Mac, first restart your printer, computer, and router. Check Wi-Fi or USB connections and ensure the printer is set as default. Clear pending print jobs and disable “Use Printer Offline” mode. Update or reinstall drivers, and run HP Print and Scan Doctor for automatic troubleshooting and quick resolution.If your HP printer shows offline... https://sites.google.com/view/my-hp-printer-back-online/home