The driver alone isn't enough; you need "bridge" software to send designs to the plotter.
October 26, 2023 Subject: Driver Availability, Installation Procedures, and Troubleshooting for JK 721 Cutting Plotter on Windows 10
The official driver CD that comes with the plotter is often the most reliable source, but many modern computers no longer have CD drives. Fortunately, there are alternative sources: Jk 721 Cutting Plotter Driver Windows 10
Once you have the files, follow these steps to install them on Windows 10:
The official CH340 driver is fully signed and natively supports Windows 10 32-bit and 64-bit architectures. The driver alone isn't enough; you need "bridge"
Look for an entry named or USB Serial Port (COMx) .
Once Windows 10 recognizes the hardware, you must direct your vinyl cutting software (such as Artcut, SignMaster, FlexiSign, or Sure Cuts A Lot) to send data to the correct virtual location. Look for an entry named or USB Serial Port (COMx)
Change the Connection/Port type from "Windows Port" to .
Select the matching you found in the Device Manager.
Here are some of the most popular software choices for the Jk 721.