Premium Value Bundle CF280XD (HP 80X) High Yield Black Toner Cartridges (2 pack) fully compatible with the HP LaserJet Pro 400 MFP M401a, LaserJet Pro 400 MFP M401d, LaserJet Pro 400 MFP M401dn, LaserJet Pro 400 MFP M401dne, LaserJet Pro 400 MFP M401dw, LaserJet Pro 400 MFP M425dn, LaserJet Pro 400 MFP M425dw. The use of compatible supplies does not void your printer warranty.
