If you are using a physical 9-pin serial cable directly into your motherboard, you do not need a USB driver. You only need to configure your PC's native COM1 port. Step 2: Install the Driver Unplug the USB cable of the cutting plotter from your PC.
What (e.g., Windows 10, Windows 11) are you running?
If your computer detects an unknown device but the CH340 driver does not work, download the official driver. Option C: USB-to-Serial Adapter Drivers
Right-click the Windows Start button and select . Look under Ports (COM & LPT) or Other Devices .
If you are using a physical 9-pin serial cable directly into your motherboard, you do not need a USB driver. You only need to configure your PC's native COM1 port. Step 2: Install the Driver Unplug the USB cable of the cutting plotter from your PC.
What (e.g., Windows 10, Windows 11) are you running? Rohs 721 Cutting Plotter Driver Pc
If your computer detects an unknown device but the CH340 driver does not work, download the official driver. Option C: USB-to-Serial Adapter Drivers If you are using a physical 9-pin serial
Right-click the Windows Start button and select . Look under Ports (COM & LPT) or Other Devices . Rohs 721 Cutting Plotter Driver Pc