LD Remanufactured Toner Cartridge Replacement for HP 502A Q6471A (Cyan) Page Yield: 4,000* | Shelf Life: 24-36 months | *Average printer cartridge page yield in accordance with ISO 24712 The use of remanufactured cartridges and supplies does not void your printers warranty All LD branded products are backed by a 100% satisfaction and LIFETIME guarantee This remanufactured toner contains up to 85% new parts including brand new wiper blades, OPC drums, and other internal components For use in the following HP Color LaserJet Printers: 3600, 3600dn, 3600n