PREMIUM QULAITY OF HP GENUINE BLACK TONER CARTRIDGES YIELDING 2 X 2,000 PAGES. COMPATIBLE PRINTERS (IF ANY): HP LASERJET M1120,HP LASERJET M1120N,HP LASERJET M1522N,HP LASERJET M1522NF,HP LASERJET P1505,HP LASERJET P1505N