Printer Model: HP Color LaserJet Enterprise M554dn Printer; HP Color LaserJet Enterprise M555dn Printer; HP Color LaserJet Enterprise M555x Printer; HP Color LaserJet Enterprise Flow MFP M578c; HP Color LaserJet Enterprise Flow MFP M578z; HP Color LaserJet Enterprise Flow MFP M578dn; HP Color LaserJet Enterprise Flow MFP M578f