See our Privacy Policy or opt-out if you'd like.
In Device Manager, go to Port Settings > Advanced, and change the COM Port Number to a lower, unused port between COM1 and COM4 . 3. Driver Disappears After Windows Update
: Most Jinka 721 units use a USB-to-Serial chipset. If the plotter isn't recognized, download and install the CH341SER driver , which is compatible with Windows 10 64-bit. Nanjing Qinheng Microelectronics Co., Ltd. Step 3: Driver Installation Run Installer driver jinka 721 windows 10 64 bit exclusive
Driver Jinka 721 is an exclusive driver designed to enhance the performance of your device on Windows 10 64-bit. By following the steps outlined in this article, you'll be able to successfully download, install, and verify the driver installation. If you encounter any issues, our troubleshooting section should help you resolve them. With Driver Jinka 721 installed, you can expect improved performance, faster data transfer rates, and enhanced overall device functionality. In Device Manager, go to Port Settings >
What or behavior do you see when trying to cut? If the plotter isn't recognized, download and install
The global Jinka user community is surprisingly active and helpful. Spanish-language forums like rotuleros.com contain detailed troubleshooting threads where users share video tutorials (e.g., “INSTALAR DRIVERS DA PLOTTER JINKA 721”) with download links for all necessary drivers. Brazilian and Portuguese tutorials are also highly recommended, as they often demonstrate step-by-step USB driver installation and CorelDRAW plugin configuration.