LD Compatible Toner Cartridge Replacement for HP 643A Q5953A (Magenta) Page Yield: 10,000* | 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, and an electronic smart chip for accurate toner level For use in the following HP Color LaserJet Printers: 4700, 4700dn, 4700dtn, 4700n, 4700ph+