The Epson Stylus Photo RX420 Windows driver is a software package that allows your Windows computer to communicate with the Epson Stylus Photo RX420 multifunction printer. This printer is capable of printing, scanning, and copying. The driver enables the printer's full functionality, such as print quality settings, paper size, and scan features, and is necessary for proper operation with a Windows PC.
Without the appropriate driver, the printer may not be recognized by Windows, and you may not be able to print, scan, or use other features of the device.