LD Remanufactured Toner Cartridge Replacement for HP 645A (Black, Cyan, Magenta, Yellow, 4-Pack) Page Yield per Black Cartridge: 13,000*, Page Yield per Color Cartridge: 12,000* | Shelf Life: 36 Months | *Average printer cartridge page yield in accordance with ISO 19752 All LD branded products are backed by a LIFETIME 100% satisfaction guarantee Using our LD laser toners for your HP Color LaserJet 5500 printer will not void the printer warranty. These LD remanufactured laser toner cartridges are professionally remanufactured by LD Products. LD remanufactured cartridges may contain new internal parts including OPC drums and wiper blades For use in the following HP printers: Color LaserJet 5500n, 5550hdn, 5500dtn, 5500, 5550dtn, 5500dn, 5550n, 5550, 5550dn, 5500hdn