HP LaserJet Pro M521dn MFP Up to 42 ppm Monochrome Laser Printer Output Capacity, std.: 250 pages Black Print Quality: 1200 x 1200 dpi Cartridges Compatible: 55X 2-pack Black CE255XD 55X Black CE255X 55A Black CE255A 12A Black Q2612A Part Number: A8P79AR#BGJ Duplex printing: Automatic Max. Duty Cycle: Up to 75,000 pages monthly Copy Quality, Black: 600 x 600 dpi Copy Quality, Color: 600 x 600 dpi |