This original CLT-K506S/ELS cartridge has been entirely from scratch by Samsung and contains 100% brand new Samsung components. Samsung have designed this CLT-K506 cartridge from the ground up to ensure it works flawlessly with all compatible Samsung colour laser printers. The Samsung CLT-K506S is a standard capacity cartridge that represents the cheapest way to get any of the compatible printers below up and running with genuine Samsung toners. Like all of our original toner cartridges our Samsung CLT-K506S/ELS black toner cartridge comes fully guaranteed and can be delivered free of charge within the UK.