Most 721 series plotters do not have a "true" USB interface. Instead, they contain an internal USB-to-Serial chip. To make your PC recognise the device, you must install one of the following virtual COM port drivers: Common for high-quality serial conversions.

By following these guidelines, you should be able to find and install the correct RoHS Cutting Plotter 721 drivers for Windows 10, ensuring smooth operation and optimal performance of your cutting plotter.