: Download the VCP (Virtual COM Port) drivers directly from the official FTDI Chip website.
Legacy chipsets occasionally fail to communicate through blue USB 3.0 ports. Plug your Jinka 721 into a standard black USB 2.0 port on the back of your motherboard for the most stable power and data connection.
Extract the downloaded driver folder (if it is in a ZIP format). Right-click the Setup.exe or the driver installer file and select Run as Administrator . This ensures that Windows does not block the installation due to security permissions.
: Download the official CH341SER driver from the WCH manufacturer website. -VERIFIED- Download Usb Driver Jinka 721
: The first and safest place to look for the driver is the official website of the Jinka 721 device manufacturer. Look for a "Support" or "Downloads" section where drivers are usually posted.
Many Jinka 721 plotters use the CH340/CH341 chipset. You can download the verified CH341SER.EXE driver directly from the manufacturer for Windows 7, 10, and 11.
On Windows 10/11, if the driver fails to install, you may need to disable driver signature enforcement in Windows Startup Settings. Conclusion : Download the VCP (Virtual COM Port) drivers
Once downloaded, right-click the ZIP file and select Extract All .
Plug the USB cable back into a direct USB port on your PC (avoid using unpowered USB hubs). Turn on the Jinka 721 power switch. Step 3: Verify the Installation in Device Manager
Modern Windows versions may block "unsigned" plotter drivers. You may need to temporarily disable driver signature verification to complete the setup. Select the Correct Port: During installation, select Jinka GoldCut JK721 Extract the downloaded driver folder (if it is
Remember this COM port number. If your software is configured to COM1 but Device Manager shows COM4, your plotter will not cut. Software Configuration (SignMaster, ArtCut, FlexiSign)
If your computer says "Unknown Device" or the cutting software cannot find the port, the driver is either missing or outdated. Installing the official driver ensures: between the computer and cutter. Reduced lag and cut errors. Compatibility with modern Windows OS versions. -VERIFIED- Download Usb Driver Jinka 721
Fixes "Cannot Open Port" or "Communication Error" messages.
