: Always install the USB driver before connecting the plotter to your computer to ensure the virtual COM port is created successfully.
If official driver isn't available
The Jinka 721 often fails to communicate with blue USB 3.0 ports. Always try a USB 2.0 port or a powered USB hub. 🚀 How to Verify Your Installation Device Manager: Open "Device Manager" on your PC. download driver cutting plotter jinka 721 verified
To set up your cutting plotter, you must install the specific USB-to-Serial driver that allows your computer to communicate with the machine's hardware. 📥 Verified Download Links : Always install the USB driver before connecting