Locate the official driver. It is usually provided on the USB drive or CD-ROM that arrived in the box with your Jinka plotter. If you do not have the disk, you can download the official CH340/CH341 driver directly from the official WCH (Jiangsu Qinheng Co.) website to ensure it is malware-free and up to date. Step 2: Run the Installer
Windows 11 enforces strict driver signature verification, which can block older legacy Jinka drivers. jinka jk 1351 driver software
Right-click the Windows Start Button and select . Scroll down and expand the Ports (COM & LPT) section. Locate the official driver