: For the best stability, manually set the port number to COM 1, 2, 3, or 4 . High port numbers (above 4) can sometimes cause communication errors with older cutting software.
It is crucial to use a driver compatible with your current operating system (Windows 10/11 64-bit). jk 721 cutting plotter driver
Most JK 721 uses a USB-to-serial chip.
Turn on your JK 721 plotter and connect it via USB to your computer. : For the best stability, manually set the
Need further help? Leave a comment below or visit the manufacturer’s official support forum for the latest driver revisions for the JK 721. : For the best stability