Look for "USB-SERIAL CH340" and note the number next to it (e.g., ). 3. Configuring Software for the Seiki SK720T
Right-click the unknown device > Properties > Details tab > Hardware Ids dropdown. Note down the VID_XXXX&PID_XXXX . This is your key to the next method. seiki sk720t driver install
Windows will assign a "COM number" to your plotter. You must find this number to tell your cutting software where to send data. Right-click the and select Device Manager . Expand the Ports (COM & LPT) section. Look for "USB-SERIAL CH340" and note the number
Seiki SK720T vinyl cutter typically uses a CH340 USB-to-Serial chipset Details tab >
You must restart your computer after installation to make the COM port available for other applications.