Speedy Inks - Remanufactured replacement for HP15 Black C6615DN Ink Cartridge For use in: Deskjet 940C, PSC 750, Deskjet 920, Deskjet 842C, Deskjet 840C, PSC 950, Deskjet 940, Deskjet 845C, Deskjet 812C, OfficeJet V40, Deskjet 920C, PSC 500, Deskjet 3820, Deskjet 841C, Deskjet 840, Deskjet 812, PSC 750xi, OfficeJet V40xi, Deskjet 825Cvr, Deskjet 940Cvr, OfficeJet 5110, OfficeJet 5110xi, OfficeJet 5110v, OfficeJet 5110A2l, FAX 1230xi, PSC 950xi, Deskjet 920Cvr, Deskjet 845, Deskjet 843, Deskjet 843C, Deskjet 842, Deskjet 841, Deskjet 825C, Deskjet 825, Deskjet 810, Deskjet 810C, PSC 500xi, Digital Copier 310, Deskjet 845Cvr, FAX 1230, PSC 950vr Color: Black Two-Year 100% Quality Satisfaction Guarantee The use of aftermarket replacement cartridges and supplies does not void your printer's warranty