Samsung ML-1660 O.S.vision firmware v1.20.00.34

Samsung ML-1660 O.S.vision firmware v1.20.00.34
1) download files here
2) unzip folder
3) make sure printer is connected to computer via USB cable
4) take out toner cartridge and place scotch tape over chip
5) reinstall toner cartridge in printer
6) drag and drop ML1660 file onto usblist2 file (this runs program)
7) wait 1 minute
8) restart printer