Right-click the faulty device in Device Manager and choose . Select Browse my computer for drivers .
Once you have downloaded the driver file (e.g., Jinka721_Win10_driver.zip ), follow these instructions:
: Once installed, open your design software, such as CorelDRAW or ArtCut. Go to the device settings and select the Go to product viewer dialog for this item.
If you own a device—whether it is a USB Wi-Fi adapter, a Bluetooth dongle, or an external network card—you know that getting it to work seamlessly on Windows 10 often comes down to one critical component: the driver.
: If the device isn't recognized, try uninstalling the device from Device Manager
Option A: The CH340 / CH341 USB-to-Serial Driver (Most Common)
– Ensure “Jinka 721” is clearly printed on the device label. Some variants (Jinka 721 Pro, Jinka 721S) may require different drivers.
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.
Designed for ease of use, the installation process is streamlined for users who may not be IT experts.
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