HP LaserJet Enterprise 500 color Printer M551xh (CF083A) HP LaserJet Enterprise color flow MFP M575c (CD646A) HP LaserJet Pro 500 color MFP M570dn (CZ271A) HP LaserJet Enterprise 500 color MFP M575dn (CD644A) HP LaserJet Enterprise 500 color MFP M575f (CD645A) HP LaserJet Enterprise 500 color Printer M551dn (CF082A) HP LaserJet Enterprise 500 color Printer M551n (CF081A)