Turn the cutter on after plugging it into the PC so Windows detects the change in bus state. Phase 2: Install the CH340 Virtual COM Port Driver
: Right-click the unknown device and select "Update Driver." Instead of searching automatically, choose "Browse my computer for driver software"
Goldcut JK series cutters (such as the JK721, JK871, and JK1351) do not have a native USB controller. Instead, they use an internal USB-to-Serial conversion chip. When you plug the USB cable into your Windows 10 PC, the computer relies on a driver to translate that USB connection into a Virtual COM Port. Most Goldcut JK machines utilize one of two chips:
Most GoldCut JK Series units manufactured after 2015 use the CH340G chip. Older models (pre-2012) use PL2303-HX . goldcut jk series windows 10 driver work
GoldCut’s official website (goldcut.com) only offers drivers up to Windows 8. However, the CH340/PL2303 chipset drivers are universal and work on Windows 10 with the steps above.
Click Let me pick from a list of available drivers on my computer .
is often recommended for better stability on modern Windows systems. Turn the cutter on after plugging it into
: Change this to 9600 or 38400 (depending on your software manual). Data bits : Set to 8 . Parity : Set to None . Stop bits : Set to 1 . Flow control : Set to Hardware or Xon/Xoff . Step 4: Set Up Your Cutting Software
model, and set the connection type to the correct USB or Serial port. Troubleshooting
If you've installed the driver and your Goldcut JK series machine still isn't working, don't worry. Here are some common issues and their solutions: When you plug the USB cable into your
Go to > Advanced options > Startup Settings > Restart .
Goldcut cutters communicate through an integrated serial chip. Windows 10 needs an emulation layer to translate USB signals into standard COM port commands. the plotter's USB cable from your computer.
Before diving into the fix, it helps to understand why Windows 10 rejects these cutters out of the box.
Good luck, and happy cutting