If the machine begins moving erratically, it indicates data corruption during transfer.
Whether you use SignMaster, Artcut, FlexiStarter, or Sure Cuts A Lot (SCAL), you must match the software settings to your Device Manager configurations. Configuration Checklist: : Select Redsail or Generic . Model : Select RS721C , MH721 , or 721 .
Windows 10 has stricter driver signing requirements and has dropped support for some older USB‑to‑serial chips (particularly counterfeit Prolific chips). If your 721 cutter worked on Windows XP but fails on Windows 10: cutting plotter 721 driver windows 10
: 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.
Download the driver from the official manufacturer or a trusted distributor. Run the installer as an Administrator . Click Install . If the machine begins moving erratically, it indicates
Wait for the success pop-up message ("Driver install success" or "Installation complete"). Restart your computer to finalize the installation. Step 3: Connect and Identify the COM Port
Right-click each , select Properties , and go to the Power Management tab. Model : Select RS721C , MH721 , or 721
After the correct driver is installed, you can re‑enable automatic installation if desired.
: Plug the USB cable into a rear USB port on your PC for a more stable power supply.
– Choose the same COM port number that appeared in Device Manager (e.g., COM3). This is the virtual serial port created by the USB‑to‑serial driver.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Vinyl U.S. Cutter set up MH 721-MK2 28"