If the 721PE is already plugged into USB, unplug it. Install drivers before connecting the hardware.
On Windows 10 and 11, you may need to temporarily disable "Driver Signature Enforcement" if the driver is older and unrecognized. cutting plotter model 721pe driver download
: If the COM number is 10 or higher, right-click the device, go to Properties > Port Settings > Advanced , and change it to a number (like COM3 or COM4) for better software compatibility. 3. Software Configuration If the 721PE is already plugged into USB, unplug it