If you have the driver files (usually found on the ArtCut disk that came with the plotter):
Some premium or older variants of the Jinka 721 utilize FTDI chips. Download Driver Jinka 721 For Windows 10
Installing the driver is only the first step. You need software that can communicate with the plotter. Here’s a guide for popular options: If you have the driver files (usually found
If your computer detects an "Unknown Device" or "USB2.0-Serial" in the Device Manager, you need the CH341/CH340 driver. you need the CH341/CH340 driver.