MS431dw Laser Printer With output up to 42 pages per minute and a light, compact form factor, the Lexmark MS431dw provides fast, dependable performance. Connect via USB, Ethernet, or standard Wi-Fi and power through big jobs with a 1-GHz multi-core processor, 256 MB of memory and a 100-sheet multipurpose feeder. Available Extra High Yield Unison™ toner prints up to 20,000 pages, and optional 550-sheet paper tray supports longer print runs. A steel frame drives durability and long-life reliability, while standard two-sided printing saves paper, the lifetime fuser minimizes maintenance, and Lexmark full-spectrum security helps protect your network and proprietary information.Package Includes: Software and Documentation CD; Return Program Imaging Unit up to 40,000 Pages; Return Program Toner Cartridge up to 3,000 Pages; Stability Sheet and Safety Sheet; Statement of Limited Warranty/Guarantee; Power Cord(s); Setup Guide SPECIFICATIONS Product Type : Laser PrintersPrinting Type : LaserWireless Printing : YesConnector/Port/Interface : Ethernet,USB,Wi-FiMaximum Paper Size : 8.5 x 14LCD Display (Yes/No) : YesMaximum Print Speed (Black) : 42 ppmPrint Resolution (Black) (Width x Height) : 600 x 600 dpiB&W or Color Output : B&WModel Name/Number : MS431dwNetwork Types : 10/100Base-TX EthernetNetwork Ready : YesNetwork Capable : YesFirst Page Out : 5.9 sDuplex Printing : AutomaticPaper Input Capacity (Sheets) : 550Monthly Duty Cycle (Pages) : 80,000Paper Feeder Type : Multipurpose TrayStandard Memory : 256 MBMaximum Memory : 256 MBProcessor Speed : 1 GHzEmulations : Direct Image,PCL 5c,PCL 5e,PCL 6,PDF 1.7,PPDS,PostScript 3Operating System Compatibility : Windows® 2000, Server 2003, XP, VistaWidth : 16.2"Depth : 16.6"Height : 10.8"Borderless Printing : NoProduct Biodegradability Indicator : NProduct Compostability Indicator : NPackage Includes : Software and Documentation CD,Return Program Imaging Unit up to 40,000 Pages,Return Program Toner Cartridge up to 3,000 Pages,Stability Sheet and Safety Sheet,Statement of Limited Warranty/Guarantee,Power Cord(s),Setup GuideCompliance Standards : Energy Star Rated,EPEAT® Silver,ICES-003 Class B,BSMI Class B,US FDA,UL 60950-1,FCC Class B,cUL CAN/CSA-C22.2 60950-1,NOM,CB EN/IEC 60950-1,CB EN/IEC 60825-1,CE DoC (EN 62301 Class B,EN 62311,CE EN/IEC 60950-1,CE EN/IEC 60825-1,EN 61000-3,EN 55022 Class B,EuP,EN 55024,UL),EFTA (CE),KCC,CCC,CECP,CEL,C-tick DoC,UL-AR,KC mark,UL GS mark,EC 1275,MET-I,ISO 532B,ECMA-370,TED,GOST-R,SII,TER,DE-UZ 205,Wi-Fi CERTIFIED,China Green Product (CGP)Pre-Consumer Recycled Content Percent : 0%Post-Consumer Recycled Content Percent : 0%Total Recycled Content Percent : 0%