Specifications Print speed black: Normal:Up to 33 ppm (Measured using ISO/IEC 24734, excludes first set of test documents. For more information see http://www.hp.com/go/printerclaims. Exact speed varies depending on the system configuration, software application, driver, and document complexity. ) First page out (ready) Black: As fast as 8 sec Print quality black (best) Up to 1200 x 1200 dpi Duty cycle (monthly, A4) Up to 50,000 pages (Duty cycle is defined as the maximum number of pages per month of imaged output. This value provides a comparison of product robustness in relation to other HP LaserJet or HP Color LaserJet devices, and enables appropriate deployment of printers and MFPs to satisfy the demands of connected individuals or groups.) Recommended monthly page volume 750 to 3000 pages Recommended monthly page volume note HP recommends that the number of printed pages per month be within the stated range for optimum device performance, based on factors including supplies replacement intervals and device life over an extended warranty period. Print technology Laser Processor speed 800 MHz Print languages HP PCL 5e, HP PCL 6, HP Postscript Level 3 emulation, direct PDF (v 1.7) printing Display 8.89 cm touchscreen control panel, CGD (Colour Graphic Display) Connectivity HP ePrint capability Yes Mobile printing capability HP ePrint, Apple AirPrint™, business apps Wireless capability None Connectivity, standard 1 Hi-Speed USB 2.0 1 Host USB 1 Ethernet 10/100/1000T network 1 Walk-up USB Network ready Standard (built-in Gigabit Ethernet) Minimum system requirements Windows 8, Windows 7 (32-bit/64-bit), Windows Vista (32-bit/64-bit): 1 GHz 32-bit (x86) or 64-bit (x64) processor, 1 GB RAM (32-bit) or 2 GB RAM (64-bit), 400 MB free hard disk space, CD/DVD-ROM or Internet, USB or Network port; Windows XP (32-bit) SP2: Pentium® 233 MHz processor, 512 MB RAM, 400 MB free hard disk space, CD/DVD-ROM or Internet, USB or Network port; Mac OS X v10.5, v10.6, v10.7; PowerPC G4, G5, or Intel® Core™ Processor; 500 MB hard disk; CD-ROM/DVD-ROM or Internet; USB or Network Compatible operating systems Full software installs supported on: Windows 8, Windows 7 (32-bit and 64-bit), Windows Vista (32-bit and 64-bit), Windows XP (32-bit) (SP2 or higher) Driver only installs supported on: Windows Server 2008 (32-bit and 64-bit), Windows Server 2003 (32-bit) (SP3 or higher) Mac OS X v10.5, v10.6, v10.7 Linpus Linux (9.4, 9.5), Red Hat Enterprise Linux (5.0, 6.0), OpenSUSE Linux (11.3, 11.4), Fedora (14, 15), Ubuntu (10.04, 10.10, 11.04), Debian (5.0, 6.0 and HPUX11i) Memory specifications Memory, standard 256 MB Memory, maximum 256 MB Hard disk None Paper handling Paper handling input, standard 50-sheet multipurpose tray, 250-sheet input tray, automatic duplexer for two-sided printing Paper handling input, optional Optional 500-sheet tray Paper handling output, standard 150-sheet output bin Duplex printing Automatic (standard) Media sizes supported A4; A5; A6; B5 (JIS) Media sizes, custom Multipurpose tray: 76 x 127 to 216 x 356 mm; tray 2 and optional 500-sheet tray: 105 x 148 to 216 x 356 mm Media types Paper (plain, Green mode, light, heavy, bond, colour, letterhead, preprinted, prepunched, recycled, rough); envelopes; labels; transparencies, cardstock Supported media weight Tray 1: 60 to 163 g/m² (straight through paper path for special media); tray 2, optional 500-sheet tray 3: 60 to 120 g/m² Power and operating requirements Power Input voltage: 220 to 240 VAC (+/- 10%), 50/60 Hz (+/- 2 Hz) Power consumption 570 watts (printing), 7.3 watts (ready), 6.2 watts (sleep), 0.1 watts (off). Typical Electricity Consumption (TEC): 2.08 kWh/Week (Power requirements are based on the country/region where the printer is sold. Do not convert operating voltages. This will damage the printer and void the product warranty.) Energy efficiency ENERGY STAR® qualified Operating temperature range 15 to 32.5ºC Operating humidity range 30 to 70% RH Dimensions and weight Minimum dimensions (W x D x H) 364.6 x 368 x 271 mm, touchscreen down (364.6 x 368 x 383.6 mm, touchscreen upraised at 90°) Maximum dimensions (W x D x H) 364.6 x 633.4 x 383.6 mm (multipurpose tray and fold-up cover extended, tray 2 extended to legal-size, touchscreen upraised at 90°) Weight 11 kg Package dimensions (W x D x H) 430 x 330 x 480 mm Package weight 14.2 kg What's included What's in the box HP LaserJet Pro 400 M401dn printer built-in automatic two-sided printing Ethernet 10/100/1000 Base-TX network HP 80A Black LaserJet Toner Cartridge (~2700 pages) Installation guide, Getting Started guide, Support flyer, Warranty guide Printer documentation and software on CD-ROM power cord Cable included No, please purchase USB cable separately Warranty One-year warranty. Warranty and support options vary by product, country and local legal requirements.