Before you go online, check the original packaging. Many NGX TP-300 units ship with a small, unbranded USB drive taped inside the foam. It contains the legacy driver (perfect for Windows 7/8/XP).

Turn on the printer when prompted to complete the automatic port detection.

A simple way to check is to print a test page. Go to Control Panel > Devices and Printers , right-click your NGX TP-300 printer, and select "Printer properties" . Then, click the "Print Test Page" button. If a test page prints successfully, your driver is working correctly.

command sets, which may allow it to work with generic thermal printer drivers if a specific model driver is unavailable. Easovation Solutions Key Printer Specifications