LD Remanufactured Toner Cartridge Replacement for Samsung CLP-770 & CLP-775 Series (Black, Cyan, Magenta, Yellow, 4-Pack) Page Yield per Cartridge: 7,000 | Shelf Life: 24-36 Months The use of compatible replacement laser toner cartridges and supplies does not void your printers warranty. All LD branded products are backed by a 100% satisfaction and LIFETIME guarantee Our toners contain new and used parts, including a new smart chip, they are an economical alternative to expensive Samsung laser toner cartridges and supplies. For use in the following Samsung printers: CLP-770ND & CLP-7725ND