PREMIUM QULAITY OF CANON GENUINE BLACK TONER CARTRIDGES YIELDING 2,000 PAGES. COMPATIBLE PRINTERS (IF ANY): HP LASERJET 1010,HP LASERJET 1012,HP LASERJET 1015,HP LASERJET 1018,HP LASERJET 1020,HP LASERJET 1022,HP LASERJET 1025,HP LASERJET 3015,HP LASERJET 3020,HP LASERJET 3030,HP LASERJET 3050,HP LASERJET 3052,HP LASERJET 3055,HP LASERJET M1005 MFP,CANON LASER SHOT LBP3000,CANON LASER SHOT LBP2900,CANON L11121E