HP RM2-6772-000 Separation Roller Assembly, Genuine (K6737) Fits these models: HP LaserJet Enterprise Flow MFP M631h HP LaserJet Enterprise Flow MFP M632z HP LaserJet Enterprise Flow MFP M633z HP LaserJet Enterprise Flow MFP M634h HP LaserJet Enterprise Flow MFP M635z HP LaserJet Enterprise Flow MFP M636z HP LaserJet Enterprise M607dn HP LaserJet Enterprise M607n HP LaserJet Enterprise M608dn HP LaserJet Enterprise M608n HP LaserJet Enterprise M608x HP LaserJet Enterprise M609dh HP LaserJet Enterprise M609dn HP LaserJet Enterprise M609x HP LaserJet Enterprise M611dn HP LaserJet Enterprise MFP M631dn HP LaserJet Enterprise MFP M631z HP LaserJet Enterprise MFP M632fht HP LaserJet Enterprise MFP M632h HP LaserJet Enterprise MFP M633fh HP LaserJet Enterprise MFP M634z HP LaserJet Enterprise MFP M635fht HP LaserJet Enterprise MFP M635h HP LaserJet Enterprise MFP M636fh