HP printer driver is unavailable error means that your Windows system cannot locate the correct driver. To resolve it, install the most updated drivers. Use the official HP website to download authentic drivers. Also, update your operating system. While updating the drivers, find those that are compatible with your operating system. Otherwise, it will cause compatibility issues. You c... https://www.hpprintersupportpro.com/blog/resolve-windows-10-printer-driver-is-unavailable-issue/