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Restart Windows 10 in Advanced Startup mode and select option 7, "Disable driver signature enforcement." Once booted, reinstall the driver. Conclusion
Complete Guide to Downloading and Installing Jinka 721 Drivers for Windows 10
You will absolutely need it to configure your cutting software. Step 5: Configure Your Cutting Software Download Driver Jinka 721 For Windows 10
What (SignMaster, Artcut, CorelDraw, etc.) are you planning to use?
Before downloading, determine which chipset your specific Jinka 721 machine uses. If you are unsure, download the CH340 driver first, as it is the most common chipset for budget Chinese cutting plotters. Option A: The CH340 USB-to-Serial Driver (Most Common)
Right-click the Windows Start menu button and select . Scroll down and expand the Ports (COM & LPT) section. : Restart Windows 10 in Advanced Startup mode
Windows 10 assigns a unique virtual COM port number to your machine. Your cutting software needs this exact number to send designs to the plotter.
The vast majority of Jinka 721 cutters utilize the standard Chinese CH340 USB-to-Serial chip.
The Jinka 721 typically connects to your computer via a USB cable or a 9-pin Serial (RS-232) cable. Because modern Windows 10 computers rarely feature native serial ports, most users rely on the USB connection. Scroll down and expand the Ports (COM & LPT) section
or through the original installation disc provided with the machine. Install USB-to-Serial Drivers : If the machine is not detected, download and install the CH341SER.EXE driver from official sources like to establish a communication port. Configure the COM Port : Once installed, open your computer's Device Manager
Manual Installation via Device Manager (If Executable Fails):
When you connect the machine via USB, Windows 10 sees a serial device. You must install a driver that translates the USB connection into a virtual COM port. Most Jinka 721 plotters utilize the or FTDI chipset for this translation. Step 1: Download the Correct Driver
| Problem | Solution | |--------|----------| | Device not detected | Try a different USB port (preferably USB 2.0). | | Driver install fails | Disable antivirus temporarily, then run installer as admin. | | Low speed or disconnects | Change settings: In Device Manager → Properties of the adapter → Power Management → Uncheck “Allow the computer to turn off this device”. | | Windows automatically replaces driver | Use Group Policy or Windows Update settings to block automatic driver updates for this device. |
For unsigned drivers: