Up to 35ppm ( letter), 33pm (A4), up to 1200 x 1200dpi, HP FastRes 1200, Resolution Enhancement technologu ( Ret), Processor 600MHz, Memory 64MB (expandable up to 320MB via 1 open 144pin DIMM slot), Recommended monthly  volume: 750 to 3,000 pages, duty cycle 50,000 pages. In put: 50 sheet multipurpose tray 1, 250 sheet tray 2; out put: 150 sheet output bin, two slide  printing automatic, One Hi speed USB 2.0 port, Dimensions (w x d xh): 365 x 368 x 268mm ( 14.4 x 14.5 x 10.6in), Weight: 10.7kg (23.6 lb). Use: CE505A ( 2,300 standerd pages