Compatible with HP HL-2460 HL-2460N LaserJet 4000 LaserJet 4000N LaserJet 4000SE LaserJet 4000T LaserJet 4000TN LaserJet 4050 LaserJet 4050 usb-mac LaserJet 4050N LaserJet 4050SE LaserJet 4050T LaserJet 4050TN. Package Content Compatible HP C4127X (HP 27X) Black Remanufactured Toner Cartridge. Approximate Page Yield: 10000 - Black pages per cartridge at 5% coverage HP C4127X (HP 27X) Black Remanufactured Toner Cartridge. Prints high-quality images and texts. Microchip Included: The intelligent chips make cartridges work with your printer.