Ecotek remanufactured 100% compatible toner for HP LaserJet 4000, 4000n, 4000t, 4000tn, 4000se, 4050, 4050n, 4050t, 4050tn, 4050se. Replaces C4127X Color: black Yield: 10000 Warranty - 1 Year Warranty Fits the Following Laptop Models - Pavilion DV2200, Pavilion DV8100, Pavilion ZT3000, Pavilion DV6100, Pavilion DV8200, Pavilion ZT3300, Pavilion DV6200, Pavilion DV9000, Pavilion ZT3400, Pavilion DV8000