Before the software can send data to the plotter, you must install the communication drivers provided on the CD or official Redsail website USB Connection Connect the plotter to your PC via USB and turn it on. USB Driver setup or from the CD). Open your computer’s Device Manager and expand Ports (COM & LPT) Identify the USB Serial Port

This is the most common mistake. If you plug in the USB cable before installing the driver, Windows may assign a generic driver that won’t work properly.

Important! Set the COM port handshaking to XON/XOFF or RTS/CTS to ensure the machine doesn't skip data during long cuts. 4. CorelDRAW & Adobe Illustrator

Your RedSail plotter likely came with a . This software handles vector design, tiling, and sending cut commands.