Cutting Plotter 721 Driver Windows 10 _best_ May 2026

Cutting plotter 721 — Windows 10 driver guide

Overview

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.

Method 1: Using the “Windows 7 Compatible” Driver (Most Reliable)

Most 721 cutters work with a generic driver known as the “Windows 8/10 Compatible Serial USB Driver.” cutting plotter 721 driver windows 10

To successfully install the 721 plotter driver on Windows 10, follow these primary steps: Software for JinKa JK-721 plotter - PlotCalc Cutting plotter 721 — Windows 10 driver guide

• Restart your PC.
• While booting, press F8 (or Shift + Restart) → Troubleshoot → Advanced Options → Startup Settings → Restart.
• Press 7 or F7 to select “Disable driver signature enforcement.”
• Note: You must do this every time you install a fresh driver.

Since Windows 10 doesn't natively "print" to plotters, you need cutting software to send the designs. Restart your PC

Most 721 plotters use a USB-to-serial connection. Windows 10 usually requires a specific driver to recognize the plotter as a Standard Driver Installation : Download the B1-721 driver