V4INK 2-Pack New Compatible Black 55A CE255A Toner Cartridge for HP LaserJet P3010 P3015 P3015d P3015dn P3015n P3015x HP Enterprise 500 MFP M521dn M521dw M525c M525dn M525f Printer Color: Black Style: New Compatible/Replacement Guarantee: Two-Year 100% Warranty/Shelf Time: 18M Page Yield:6000 page at 5% Coverage ISO/IEC 19752 (letter/A4) Compatible Printer List: HP Laserjet P3015, P3015dn, P3015d, P3015n, P3015x, P3010, P3011, P3016; HP Laserjet Pro MFP m521dn, m521dw, m525dn, m525f, m525c.