The JK/MH/Refine 721-series cutters (often sold as JinKa, JK‑721, MH‑721, JK‑721‑MK2 or similar) are legacy vinyl cutters that use HP-GL over a serial/USB‑serial connection. There’s rarely a vendor-supplied “Windows 10 driver” for the cutter itself — you either use a USB‑to‑serial driver for the adapter chip or use cutting software that speaks HP‑GL.
Driver Installation
Conclusion
Download the CH341SER.EXE driver from the official manufacturer or a trusted distributor. Run the installer as an Administrator. Click Install. cutting plotter 721 driver windows 10
Check COM Ports: Look under "Ports (COM & LPT)". If you see a "USB-SERIAL CH340" or similar entry with a yellow exclamation mark, you need to install the driver. Cutting plotter 721 — Windows 10 driver guide
2. Connection Settings:
Drivers for "Only Cut" and "Auto Contour" models are available on the Jinka Indonesia Download Page Alternative Jinka Goldcut 721 ZIP is often hosted via USCutter support links. USCutter MH-721 Run the installer as an Administrator