Downloading and installing "proshivka" (firmware) for the Samsung ML-1866

: Drag the firmware file onto the usbprns2.exe icon.

: If you use a "Fix" firmware, you must tape over or remove the chip on the toner cartridge before the printer will recognize it as "Full."

: Since HP acquired Samsung's printer division, all official software is hosted on the HP Customer Support Portal. Enter " " in the search bar to find the latest official installers.

: Installing modified firmware usually voids your warranty.