LD Compatible Toner Cartridge Replacement for HP 51A Q7551A (Black) Page Yield: 6,500* | Shelf Life: 24-36 Months | *Average cartridge page yield in accordance with ISO IEC 24711 We offer lightning fast shipping for your convenience The use of LD replacement ink and toner cartridges does not void your printers warranty All LD branded products are backed by a 100% satisfaction and LIFETIME guarantee Compatilbe with HP LaserJet M3027 MFP, M3027x MFP, M3035 MFP, M3035xs MFP, P3005, P3005d, P3005dn, P3005n and P3005x