The plotter will not appear in Windows as a printer. It must be accessed through cutting software (such as SignCut, FlexiSign, or Sure Cuts A Lot).
If you encounter issues with the JK 721 cutting plotter driver on Windows 10, try the following troubleshooting steps: Jk 721 Cutting Plotter Driver Windows 10
A common hurdle for Windows 10 users is the correct assignment of the The plotter will not appear in Windows as a printer