Compatible Black Toner Cartridge Replaces OEM CF280X, yield approx. 6000 pages; Compatible with HP LaserJet Pro 400 M401a, LaserJet Pro 400 M401d, LaserJet Pro 400 M401dn, LaserJet Pro 400 M401dne, LaserJet Pro 400 M401dw, LaserJet Pro 400 M401n, LaserJet Pro 400 MFP M425dn, LaserJet Pro 400 MFP M425dw