PREMIUM QULAITY OF HP GENUINE BLACK TONER CARTRIDGES YIELDING 3,500 PAGES. COMPATIBLE PRINTERS (IF ANY): HP LASERJET PRO M203D,HP LASERJET PRO M203DN,HP LASERJET PRO M203DW,HP LASERJET PRO M230SDN,HP LASERJET PRO MFP M227D,HP LASERJET PRO MFP M227FDN,HP LASERJET PRO MFP M227FDW,HP LASERJET PRO MFP M227SDN