Usbprns3en for firmware samsung - Version 3 This soft makel modified firmware for reset toner cartridge for Samsung and Xerox. Modified firmware resets page counter in printer so you can refill your original toner or use compatible toner. Also after installing software, no chip on toner is needed anymore, save money on printer cartridges.This operation does not remove your printer warranty. Always possible to install a previous version of the original softwareIn the tab Main - in the printer list choose your model, such as Samsung SCX-3200, press twice. in the information boxes on the right of the list, there are available firmware.In the top window - Device information - and information about the original unitIn the bottom - Files - upgraded fixes