Pretty Good
Review by Robert M. on 19 Oct 2015 review stating Pretty Good Works pretty well. I had one failure where I had to reseat one of the cartridges because it was causing an error. Other than that all has gone well. I would buy again. The price is much cheaper.
On Replaces Samsung CLT-K406S (CLTK406S) - Compatible Black Laser Toner Cartridge for CLP-360, CLX-3300 Printer Series