Cutting Plotter 721 Driver Windows 10 ^new^ Site

💡 Always turn the plotter on before opening your cutting software so the program can "see" the active COM port. If you're still having trouble, let me know: What software are you using? Does the computer make a sound when you plug it in? Is it showing up as an "Unknown Device" ?

This usually happens if you are using a USB 3.0 (blue) port.

Ensure the model is set to or a generic DMPL/HPGL driver.

Note the COM port number (e.g., COM3). Some older software requires this to be set between COM1 and COM4 to function correctly. forum.uscutter.com 3. Setting Up Your Software

: Download the "VCP (Virtual COM Port) Drivers" directly from the official FTDI Chip website. Step 2: Install the Driver Unplug the cutting plotter from your computer. cutting plotter 721 driver windows 10

Once the driver is installed, you must tell your software which port to use.

I can provide specific settings or driver links based on your exact setup. Share public link

Let’s walk through the journey of getting this plotter running, from the "Unknown Device" error to that satisfying sound of the blade slicing vinyl.

Check the sticker on the back of your 721 – the actual brand name (e.g., “Puma”, “Creation”, “GCC”) can help find exact drivers. When in doubt, treat it as a generic HP-GL plotter on COM port and avoid brand-specific drivers. 💡 Always turn the plotter on before opening

Before diving into drivers, it’s crucial to understand that the “721” model typically uses one of two communication methods:

Follow these methods in order. The best approach depends on whether you have the original CD or not.

Most 721 plotters use a specific chipset for their USB connection. You must install the driver connecting the plotter. FTDI Chipset (Common for MH-721): Most reliable for Windows 10. You can download the FTDI CDM Driver to establish the COM port connection. CH341/340 Chipset (Common for Redsail/JK):

After the correct driver is installed, you can re‑enable automatic installation if desired. Is it showing up as an "Unknown Device"

Ultimate Guide to Installing Cutting Plotter 721 Drivers on Windows 10

The is a functional but temperamental solution. If you are a professional using the plotter daily, consider these options:

If your 721 is a pure serial/COM port model (not USB), you must buy a USB-to-Serial adapter with a genuine FTDI chip (e.g., Startech or Tripp Lite). Cheap adapters cause endless problems on Windows 10.

Because these drivers are often not "digitally signed" in older versions, Windows 10 might block them. WinXP USB driver for MH721 - Vinyl Cutters - USCutter Forum