Inside the ZIP, you should find files like RS720C.inf , RS720C.sys , and a USB Driver Installer.exe .
While the RS720C supports legacy parallel and serial ports, modern workflows rely almost exclusively on the USB port. This is where the becomes critical.
Installing the driver is only half the battle. Your design software must be configured to talk to that COM port. redsail cutting plotter rs720c usb driver
Provides a balance of speed and precision for signage and apparel vinyl.
If you don't have the original installation CD, you can find the necessary drivers and support files at these locations: Official Redsail Help Files : Provides direct links for the 340 USB Driver and the user manual. Hflaser Support : Offers downloads for both USB Driver– USB Driver–CH341SER , which are common for Redsail models. : Features a dedicated page for the with downloads for WinPlotCalc and profile XML files. Physical Replacement Parts Inside the ZIP, you should find files like RS720C
Without the proper driver, your computer will not recognize the plotter, leading to communication errors, garbled cuts, or a complete inability to send jobs from design software like CorelDRAW, Adobe Illustrator, or FlexiSIGN. In this comprehensive guide, we will cover everything you need to know: what the driver is, where to find legitimate downloads, a step-by-step installation guide, common error codes, and how to optimize your USB settings for flawless vinyl cutting.
Plug in the USB cable and turn on the plotter. Identify the COM Port: Right-click the Start button and select Device Manager . Expand Ports (COM & LPT) . Installing the driver is only half the battle
A: This is a software handshake issue. Go to your cutting software and uncheck "Hardware Handshake" or "DTR/DSR." Set flow control to None .