The huge capacity of the genuine Samsung K806S outshines that of almost every other black toner cartridge on the market, with an estimated 45,000 page yield. To make things even better, the Samsung CLT-K806S/ELS (and the other 3 colours) are offered by the manufacturer at a pretty reasonable price too.Original Samsung CLT-K806S black toner cartridges offer the very best print quality for your colour laser printer and are the premium choice for lucky owners of compatible printers. Each Samsung SS593A is fully compatible with the MultiXpress SL-X7400GX and every other printer listed on this page and come fully guaranteed by the manufacturer.