Cutting Plotter 721 Driver Windows 10 Info

Look at the back or the inside circuit board of your plotter. You will likely see a USB port. In Device Manager (see below), you can identify the chipset. Most generic plotters use a CH340 or HL-340 chipset, or occasionally an FTDI chipset.

Installation Steps (USB & Legacy Ports)

If you still struggle, install a (e.g., from VinylMaster or Sure Cuts a Lot). This creates a “printer” in Windows that sends proper HP-GL code to COM3. It works 90% of the time when raw drivers fail. cutting plotter 721 driver windows 10