1 Imported opc drum and toner powder 2 Lower waste powder 3 High blackness 4 100% pre-test 5Fast and safety delivery top toner cartridge for hp Q7551A ModelcolorUsed for Toner powder(g)Page yieldQ7551ABlackLaserjet M3027mfp/M3035mfp/P30052406000Blackness: 1.5Gray: 0.7Page yield: 6000(A4 5% coverage) top toner cartridge for hp Q7551A Key Sepecification High Capacity Produced by inspected original ...