PREMIUM QULAITY OF HP GENUINE BLACK TONER CARTRIDGES YIELDING 2,500 PAGES. COMPATIBLE PRINTERS (IF ANY): HP LASERJET 1000,HP LASERJET 1005,HP LASERJET 1200,HP LASERJET 1200N,HP LASERJET 1220,HP LASERJET 3300 MFP,HP LASERJET 3330 MFP,HP LASERJET 3380