PREMIUM QULAITY OF HP GENUINE MAGENTA TONER CARTRIDGES YIELDING 6,600 PAGES. COMPATIBLE PRINTERS (IF ANY): HP HP OFFICEJET PRO MFP X476DW,HP HP OFFICEJET PRO MFP X451DW,HP HP OFFICEJET PRO MFP X576DW,HP HP OFFICEJET PRO MFP X551DW