Sometimes, plugging the printer in and running Windows Update will automatically find a compatible driver under the "Other Devices" section, though this is not always reliable for generic hardware.
If all else fails, remember that many POS 5890K printers are ESC/POS compatible – meaning you can try drivers from other brands like Epson TM-T88V (but use as a last resort). For guaranteed success, always start with the driver directly from your printer’s manufacturer sticker. pos 5890k printer driver download
How to install POS-58 or POS-80 printer - Help Center Nextar Sometimes, plugging the printer in and running Windows