If you are still having issues, consider these common fixes:
Set the connection port to match the exact number you noted in the Device Manager. cutting plotter ki720 driver download free
: After installing the USB driver, check your Device Manager to see which COM port was assigned (e.g., COM3). You must set the exact same port in your cutting software (SignMaster/VinylMaster) or it will not communicate. If you are still having issues, consider these