Cutting Plotter 721 Driver Windows 10 Extra Quality -

Getting a 721 series cutting plotter (such as the MH-721, EH-721, or JK-721) to work on Windows 10 usually involves installing a USB-to-Serial driver rather than a traditional printer driver. Most of these machines use either an FTDI or CH341 chipset to communicate with your PC. 1. Identify and Download the Driver

Correct software settings:

If you want, I can write a short download/instruction sheet for a specific adapter chip (FTDI/PL2303/CH340) or for a named cutting software — tell me which one.

After the driver is active, you must match the settings in your software (like SignCut, Artcut, or VinylMaster): MH721 and Win 10 - General discussion - USCutter Forum

Verify COM Port: Once installed, the device should appear under "Ports (COM & LPT)" with an assigned number (e.g., COM3). Take note of this number. 3. Configure Your Cutting Software