in your software settings. If the computer doesn't see the plotter, check the "Ports (COM & LPT)" section in Windows Device Manager. Maintenance: rubber pinch wheels clean of dust and ensure your is sharp to avoid common cutting errors. for your specific operating system?
[Design Software] ──> [Select Model: KI-720 / Roland] ──> [Match COM Port] ──> [Send Cut Job] SignMaster Setup Open SignMaster and navigate to . Select KI or Generic as the brand, and KI-720 as the model. Set the connection type to Direct COM Port .
Software for Vevor KI-720A plotter (download manual - PlotCalc
| Problem | Likely Cause | Free Fix | | :--- | :--- | :--- | | "Device not found" | Wrong COM port | Change COM port in Device Manager to 1-4. | | Plotter cuts garbage lines | Baud rate mismatch | Set baud rate to in both driver and software. | | Driver won't install (Error 10) | Driver signature block | Disable driver signature enforcement (see Step 2). | | USB disconnects randomly | Faulty USB cable or power | Use a high-quality USB 2.0 cable (shorter than 3m). | | Works once, then stops | Windows update replaced driver | Reinstall the CH341 driver again. |
Because these plotters are often older hardware or rebranded machines, finding the correct driver can be tricky.
Before downloading and installing the Ki720 driver:
Installing the driver is only half the battle. Follow these sequential steps to ensure your software can communicate with the hardware:
For Vevor specific models, PlotCalc offers plug-ins and drivers for the KI-720A. 2. Installing the Driver Download the driver file (usually a .zip or .exe ). Extract the file. Run the setup.exe or FTDIInstaller.exe . Follow the on-screen instructions. Reboot your computer to complete the installation. Configuring the KI-720 in Device Manager
Once the hardware driver is recognized by Windows, you must configure your design software to send data to the correct location. Configuration in SignMaster or Artcut