The JK-721 is rarely used with standard printer drivers; instead, it uses specialized cutting software or plugins for vector programs. How-To Install Vinyl Cutter USB Port Driver
Once the JK 721 cutting plotter driver works perfectly, keep it that way: jk 721 cutting plotter driver
: These machines are sensitive to static. Ensure your stand is grounded, and if possible, use a high-quality shielded USB cable to prevent "crashes" mid-cut. The JK-721 is rarely used with standard printer