Features Black print speed Up to 35 ppm Black print resolution Up to 1200 x 1200 dpi Duplex printing Manual (driver support provided) Print technology HP FastRes 1200 Printer memory 48 MB Processor 400 MHz Motorola ColdFire V5 Paper Supported paper sizes Letter, legal, executive, 8.5 x 13 in, envelopes Recommended monthly volume Up to 100000 pages Paper handling 100-sheet multipurpose tray, 500-sheet input tray General Dimensions 16.7 x 16.1 x 12.2 in Weight 35.7 lb Supported operating systems Windows 2000; Windows XP Home; Windows XP Professional; Windows Server 2003; Certified for Windows Vista(TM); Mac OS X v 10.2.8; Mac OS X v 10.3.9; Mac OS X v 10.4 or higher