This guide is for informational purposes. Always verify driver integrity with an antivirus scan before installation. Product names are trademarks of their respective owners.

: Plug your plotter into the computer using a USB cable. Windows should now recognize the device. Identify COM Port Right-click "This PC" (or "My Computer") and select Device Manager Ports (COM & LPT)

After installation, the driver must point to the correct virtual COM port or USB endpoint.

. Follow the on-screen prompts to install the USB-to-Serial communication drivers. Connect Hardware

A: Redsail does not officially provide a signed Mac driver for the RS720C. Mac users must use a virtual Windows machine (Parallels/VMware) or third-party software like "EasyCut" which communicates via raw HP-GL commands without a kernel driver.