This remanufactured cartridge has been produced using as many parts from the original Samsung CLT-K506L/ELS toner as possible. These components have been individually examined and cleaned to ensure the best quality print possible from this recycled CLT-K506 Samsung compatible toner cartridge. If any parts are not replaceable our manufacturers substitute them for high quality patent free compatible CLT-K506L parts.As a refilled high capacity cartridge compatible with many printers including the Samsung CLP-680ND and offers the same 6,000 page duty cycle. Like all of our remanufactured toners our Samsung compatible CLT-K506L/ELS black toner cartridge comes fully guaranteed and can be delivered free of charge within the UK.