Speedy Inks Compatible Toner Cartridge Replacements for HP 80A CF280A (Black, 4-Pack) For use in Hewlettt Packard: LaserJet Pro 400 M401dn, LaserJet Pro 400 M401dne, LaserJet Pro 400 M401dw, LaserJet Pro 400 M401n, & LaserJet Pro 400 M425dn Page Yield: 2700* | *Average printer cartridge page yield in accordance with ISO 19755 Shelf Life: 24-36 Months Color: Black | Pack of 4 The use of aftermarket replacement cartridges and supplies does not void your printer's warranty