| Issue | Symptom | Solution | |-------|---------|----------| | | PL2303 or CH340 in Device Manager | Uninstall driver → Delete driver software → Reinstall WHQL version | | Cutting software cannot open COM port | “Port in use” or “Access denied” | Close all other software (including Adobe, Corel) that may poll COM ports | | Erratic cutting / dropped packets | Plotter stops mid-job | Lower baud rate to 9600, disable flow control, use shorter USB cable | | No contour cutting (Optical registration fail) | Red laser fails to read marks | Install Goldcut’s JKMark.exe calibration tool (requires .NET Framework 3.5 on Win7) |
To set up the GoldCut JK Series on Windows 7, follow this general procedure: : goldcut jkseries driver windows 7
Windows 7 reached End of Life (EOL) in January 2020. Goldcut may not officially support Windows 7 for newer JKSeries models. If possible, use Windows 10/11. This guide assumes you have a 32-bit or 64-bit Windows 7 system. This guide assumes you have a 32-bit or
Менеджеры компании ответят на ваши вопросы и подготовят индивидуальное коммерческое предложение.