Right-click the downloaded .exe file and select "Run as Administrator."
Once the driver is verified and installed, you must match the settings in your cutting software (like Artcut or SignMaster): Select the COM port found in Device Manager. Baud Rate: Usually 9600 or 38400. Flow Control: Hardware or RTS/CTS. Troubleshooting Common Issues -VERIFIED- Download Usb Driver Jinka 721
Some older or premium versions of the 721 series use FTDI chips. Use these if the CH340 does not work. Step 3: Installation Process Follow these steps to install the driver manually: Right-click the downloaded
Right-click the device, select "Update Driver," and choose "Search automatically for drivers." If that fails, manually point it to the folder where you extracted the downloaded driver. Troubleshooting Common Issues Some older or premium versions
Go back to Device Manager. Under "Ports (COM & LPT)," you should now see "USB-SERIAL CH340 (COMX)." Note the number of the COM port (e.g., COM3). Step 4: Configuring Your Software
Ensure the USB cable is under 3 meters. Long cables can cause signal loss for Jinka 721 plotters.