Driver force mapping is incorrect. Solution: Reinstall the driver using the “Force Calibration” option in the installer. Then test with a slow speed (10 cm/s) and incremental force increases.
Remember: when in doubt, roll back to the original driver version from your CD-ROM, disable automatic Windows driver updates, and always test on scrap vinyl before a production run. Happy cutting!
No. The JK 721 driver is Windows-only. Mac users must run Windows via Boot Camp or Parallels Desktop. There are no official macOS drivers.
: Adjustable from 50mm/s to 800mm/s (some models up to 1000mm/s). Cutting Pressure : 10g to 500g, digitally adjustable.
