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Unplug the plotter and other non-essential USB devices (scanners, other cutters) to avoid COM port conflicts.
Right-click the setup.exe file and select Run as Administrator to ensure the driver has the necessary registry permissions. i--- Download Driver Cutting Plotter Jinka 1351
During setup, choose "Manual Setup" if prompted. Assigning the device to COM3 is a common fix to avoid conflicts with laptop Bluetooth adapters. Unplug the plotter and other non-essential USB devices