Hewlett-packard Color Network LaserJet with Duplex 3800dn Color Network LaserJet with Duplex 3800dn Black Print Speed—22 ppm Color Print Speed—22 ppm First Page Out—Less than 12.5 seconds Monthly Duty Cycle—65,000 pages Maximum Print Resolution—600 x 600 dpi Processor—533 MHz Standard Memory—288MB Maximum Memory—544MB Duplex Printing—Automatic Std. Paper Input Capacity—350-sheet Network-Ready—Yes; HP Jetdirect Fast Ethernet print server Connectivity (Cables not included)—Parallel, USB Compatibility—Windows® 98, Me, 2000, XP, Server 2003; Mac® OS 9.1, 9.2, OS X v10.2, v10.3, v10.4 Size—15-7/10w x 17-7/10d x 16-7/10h Manufacturer’s Warranty—One-year limited on-site Black Replacement Cartridge—HEWQ6470A, sold separately Color Replacement Cartridges—HEWQ5781A (cyan), HEWQ7583A (magenta), HEWQ7582A (yellow), sold separately