HP Laserjet P2015 Monochrome Laser Printer - White / Granite Grey - Output Type: Monochrome - Black Print Speed: Up to 27 ppm - Black Print Quality: 1200 x 1200 dpi - Duplex printing: No - Max. Duty Cycle: Up to 15,000 pages monthly - Media Type: Paper (bond, light, heavy, plain, recycled, rough), envelopes, labels, cardstock, transparencies, heavy media - Media sizes supported: Letter, legal, executive, index cards, envelopes (No. 10, Monarch) - USB Ports: Yes - Network Ports: None - Microprocessor Type: Motorola ColdFire V5 - Processor(MHz): 400 - Memory: Unknown - Cartridges Compatible: HP Q7553A, Q7553X - Compatibility: Windows 2000, Windows XP Home, Windows XP Professional, Windows Server 2003, Certified for Windows Vista, Mac OS X v 10.2.8, Mac OS X v 10.3.9, Mac OS X v 10.4 or higher, Certified for Windows Vista