Printing Method : Laser Max. Media Sizes : A4 Max. Resolution : 1200 PC Connectivity : Parallel, USB OS Compatibility : Windows XP (32bit/64bit), Server t/ 64bit), Vista (32bit/ 64bit), Server t/64bit), Server 2008R2 (64bit), 7 (32bit/64bit) Mac OS X Version 10.4.11 or later (Power PC 32bit/Intel 32 bit), 10.5 with the latest update (Power PC 32/64bit/Intet) and 10.6 with the latest update (Intel 32bit/64bit) Processor : 295 MHz Memory Standard : 128MB Network Supports : Available Ethernet 100/10 Base-TX Compatible Media Sizes : A4 SEF, B5 SEF, A5 SEF, Letter SEF, Executive SEF, Folio (8.5" x 13") SEF, Legal SEF ,Envelope (Com-10 SEF, Monarch SEF/LEF, DL SEF/LEF, C5 SEF), Custom size width 76.2 to 215.9mm Length 127 to 355.6mm Scanner Function : Type Colour: Colour CIS Scanning Resolution: 1200 x 1200 dpi (Optical); up to 4800 x 4800 dpi Colour Depth: 24 bit Document Size: 215.9 x 297mm Scan Drivers: TWAIN, WIA