LD Remanufactured Replacement for HP 15 C6615DN Black Ink Cartridge for DeskJet 3820, 810, 812, 825, 840, 845, 920, 940, Fax 1230, OfficeJet 5110, V40 & PSC 500, 750, 950 100% Satisfaction & LIFETIME Guarantee The use of remanufactured cartridges and printing supplies does not void your printers warranty Page Yield Per Cartridge: 840* | Shelf Life: 12-18 Months | *Average cartridge page yield in accordance with ISO IEC 24711 For use in Deskjet 3820 810 810C 812 812C 825 825C 825Cvr 840 840C 841 841C 842 842C 843 843C 845 845C 845Cvr 920 920C 920Cvr 940 940C 940Cvr For use in OfficeJet 5110 5110A2l 5110v 5110xi V40 V40xi | PSC 500 500xi 750 750xi 950 950vr 950xi | Fax 1230 1230xi