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Printer Type  Multifunction Laser Printer    Printer Dimensions (W x D x H)  21.6 x 24.1 x 29.7” ( 548 x 611 x 755 mm)     Printer Weight  100 lb (45.4kg)    Max Print Speed (Actual print speed will vary with use)  Up to 55 ppm (letter), Up to 53 ppm (A4)   Print Resolution  600 x 600 dpi (printer default), maximum 1200 x 1200 dpi    Maximum Monthly Duty Cycle  275,000 pages    Paper Input  Standard Tray (sheets): 100 Multipurpose (sheets): 550    Processor  600 MHz    Memory  256 MB standard   Optional Memory   Optional SDRAM 256MB, 512MB and 1GB (1280MB maximum) Optional 256MB Flash Memory   Expansion Slots   Flash memory slot: One firmware card (DLE) and one flash memory card are supported. Each may be installed in either slot   Maximum Paper Input Capacity  Maximum (sheets):3200 w/options   Standard/Maximum Output Capacity  Standard (sheets): 550 Maximum (sheets):550   Optional Paper Output Accessories  N/A    Optional Paper Input Accessories  550-Sheet Drawer 250-Sheet Drawer 2,000-Sheet High-capacity Feeder 550-Sheet Lockable Drawer   Duplex (Two-sided printing)  Automatic duplex as standard    Media Types Supported  Plain Paper，Bond，Letterhead，Preprinted，Colored Paper，Card stock，Paper labels，Transparencies， Envelopes (smooth)， Light Paper， Heavy Paper， Recycled， Rough Envelope， Rough/Cotton (not duplexable)    Paper Weights Supported  Paper: 60-135 g/m² (16-36 lb.) Cardstock: 135-163 g/m² (36-43 lb.) Envelopes: 60-105 g/m² (16-28 lb.)   Standard Interfaces (Cables not included)  Standard Ethernet 10/100 Base T Standard USB-B (High-speed) Device Port Front (Low/Full/High speed) Host Port Rear (Low/Full/High speed) Host Port 1 available internal solution port   Fonts  3 of 9 scalable PCL 5e fonts in Narrow, Regular and Wide 158 scalable PostScript fonts 2 PCL bitmap fonts 39 scalable PPDS fonts 5 PPDS bitmap fonts 84 scalable PCL fonts OCR-A, OCR-B scalable PCL 5e fonts    Compatible Client Operating Systems  Microsoft® Windows® 7, Windows® 2000 Professional, Windows® 2000 Server® running Terminal Services, Windows XP Professional, Windows® XP x64, Windows Server 2003, Windows Server 2003 running Terminal Services, Windows Server 2003 x64, Windows Server 2003 x64 running Terminal Services, WIndows Vista® Home, Windows Vista® Premium x64, Windows Server 2008, Windows Server 2008 x64, Windows Server 2008 running Terminal Services, Windows Server 2008 x64 running Terminal Services Red Hat® Enterprise Linux® WS 3.0, 4.0, 5.0, SUSE Linux Enterprise Server 8.0, 9.0, 10.0, 11.0, 11.1, SUSE® Linux Enterprise Desktop 10, 11, openSUSE 10.2, 10.3, 11.0, Linspire Linux 6.0, Debian GNU/Linux 4.0, 5.0, Red Flag Linux Desktop 5.0, 6.0 (Simplified Chinese), Ubuntu® 7.10, Ubuntu 8.04 LTS Novell® NetWare® 5.x, 6.x. Macintosh version OS X 10.2-10.6, UnixTM - Sun® SolarisTM 8,9,10.0, HP UX. Citrix® Metaframe Presentation Server 3.0, 4.0 & 4.5 (compatible) and 5.0 (certified), SAP     Printer Management Software  IP Setup Utility (IPSU), Printer Alert Utility (PAU), Twain driver version 1.0 (for network / local), WIA driver version 1.8 standard, Scanback, Status Monitor Center, Printer Status Indicator, Screen Fonts   Contents in the Box  Printer SWE cartridge Setup Sheet Software & Instructions CD Michael Dell Recycling Program Letter Blue Angel Sheet UAR PIG RJ-11 Phone Cable (modem models only) RJ-11 Phone Adapter (modem models only - Country dependent)