LD Compatible Toner Cartridge Replacement for HP 53X Q7553X High Yield (Black, 4-Pack) Page Yield: 7,000* per cartridge | Shelf Life: 24-36 Months per cartridge | *Average printer cartridge page yield in accordance with ISO 19752 The use of compatible cartridges and supplies does not void your printers warranty These compatible cartridges are conveniently equipped with a smart chip that allows you to monitor and track your ink levels All LD branded products are backed by a 100% satisfaction and LIFETIME guarantee For use in the following LaserJet Printers: M2727 MFP, M2727 nf MFP, M2727nfs MFP, P2015, P2015d, P2015dn & P2015x