Open Device Manager (Win+X → M). Under “Ports (COM & LPT),” you should see “Redsail Virtual COM Port (COM3)” or similar. If you see a yellow exclamation, skip to the Troubleshooting section.
Navigate to your Redsail Driver folder (often named USB_Driver or FTDI ). redsail cutting plotter software installation
settings and ensure the output port matches the COM port noted in Device Manager. Flow Control : Set the software's flow control to to match your hardware settings. FlexiSIGN-PRO Driver Setup : Install the Redsail driver from your disc and select REDSAIL TECH within the FlexiSIGN Production Manager. Port Settings Open Device Manager (Win+X → M)