To get your cutting plotter up and running, you'll need the USB-to-Serial driver, as these machines typically use a CH340 or FTDI chip to communicate with Windows. 1. Verified Driver Downloads
Once the driver is verified and installed, you must match the settings in your cutting software (like Artcut or SignMaster): Select the COM port found in Device Manager. Baud Rate: Usually 9600 or 38400. Flow Control: Hardware or RTS/CTS. Troubleshooting Common Issues -VERIFIED- Download Usb Driver Jinka 721
