Speedy Inks - Remanufactured Replacement Ink Cartridge with Pigment Ink for HP40 51640A Black For use in: CopyJet, CopyJet M, 230, 330, 350C, 430, 450C, 455CA, 488CA, 650C, 650C PS, 1200C, 1200C-PS Page Yield: 1100* | Color: Black | *Average cartridge page yield in accordance with ISO IEC 24711 Shelf Life: 12-18 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty