Roller Kit:4,Long Life Paper Pickup Roller W/Tool [RM2-1275-000]4,Long Life Paper Separation Roller W/Tool [RM2-6772-000]1,Transfer Roller Assembly [RM2-6800-000] HP  LaserJet Enterprise M607dn，LaserJet Enterprise M607n，LaserJet Enterprise M608dn，LaserJet Enterprise M608n，LaserJet Enterprise M608x，LaserJet Enterprise M609dh，LaserJet Enterprise M609dn，LaserJet Enterprise M609x，LaserJet Enterprise MFP M631dn，LaserJet Enterprise MFP M631z，LaserJet Enterprise MFP M632fht，LaserJet Enterprise MFP M632h，LaserJet Enterprise MFP M633fh，LaserJet Enterprise Flow MFP M631h，LaserJet Enterprise Flow MFP M632z，LaserJet Enterprise Flow MFP M633z，LaserJet Enterprise M610dn，LaserJet Enterprise M611dn，LaserJet Enterprise M611x，LaserJet Enterprise M612dn，LaserJet Enterprise M612x LaserJet Managed E60155，LaserJet Managed E60165，LaserJet Managed E60175