HP W2120A (HP 212A) Black Toner Cartridge is designed to perform in the HP Color LaserJet Enterprise M554dn, M555dn, M555x; Color LaserJet Enterprise Flow MFP M578c, M578z, MFP M578dn, MFP M578f
HP W2120X (HP 212X) High Yield Black Toner Cartridge is designed to perform in the HP Color LaserJet Enterprise M554dn, M555dn, M555x; Color LaserJet Enterprise Flow MFP M578c, M578z, MFP M578dn, MFP M578f
HP W2121A (HP 212A) Cyan Toner Cartridge is designed to perform in the HP Color LaserJet Enterprise M554dn, M555dn, M555x; Color LaserJet Enterprise Flow MFP M578c, M578z, MFP M578dn, MFP M578f
HP W2121X (HP 212X) High Yield Cyan Toner Cartridge is designed to perform in the HP Color LaserJet Enterprise M554dn, M555dn, M555x; Color LaserJet Enterprise Flow MFP M578c, M578z, MFP M578dn, MFP M578f