Compatible HP CE401A 507A Cyan, which comes with a 2 year warranty and is compatible with the following machines: HP LaserJet Pro 500 M570dn, HP LaserJet Pro 500 M570dw, LaserJet Enterprise 500 Color M551dn, LaserJet Enterprise 500 Color M551n, LaserJet Enterprise 500 Color M551xh, LaserJet Enterprise 500 Color M575F, LaserJet Enterprise 500 M575c, LaserJet Enterprise 500 M575dn. With a yield of 6000 pages