Found in most budget, generic, or newer MH721/KH721 models.

Depending on your specific model, you can find official or community-vetted drivers at these locations: Jinka / Goldcut JK-721

Before you install your cutting software, you need to fix the connection.

Look for an entry named or USB Serial Port (COMx) , where "x" is a number (e.g., COM3 or COM4).

This comprehensive guide will walk you through sourcing the correct drivers, installing them step-by-step, configuring your cutting software, and troubleshooting common connection errors. Understanding the Cutting Plotter 721 Connection

Complete Guide to Installing Cutting Plotter 721 Drivers on Windows 10

Look for an entry named or USB Serial Port (COMX) , where "X" is a number (e.g., COM3 or COM4). Note down this exact COM port number. Configuring the Driver Settings for Stable Cutting

: Common in premium or older legacy models.

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