If the universal driver fails, your KI-720 likely contains a CH340 or PL2303 chip. These are cheap USB-to-serial bridge chips.
Since a plotter is rarely used with a simple "Print" command, you will need one of these programs: SignMaster: cutting plotter ki720 driver download free
Avoid "Driver Update" websites that ask you to install an installer tool. Only download .zip or .exe files directly from hardware manufacturers or reputable software vendors. If the universal driver fails, your KI-720 likely
A popular choice for setting up and troubleshooting vinyl cutters; detailed setup guides are available on the VinylMaster YouTube Channel Inkscape (Free/Open Source): A powerful vector tool that can be used with plugins like to drive plotters for free. If the universal driver fails