This unit is refurbished; it may show signs of previous use (i.e. light scratches, scuffs, etc.) on its exterior. HP M452DW Specs Performance Printing Technology Laser; HP ImageRET 3600, Pantone calibrated Maximum Resolution 600 x 600 dpi (38400 x 600 enhanced dpi) Print Speed 28 ppm First Print Out Speed Ready, Black: 8.9 secReady, Color: 9.5 secSleep, Black: 11.3 secSleep, Color: 11.4 sec Print Color Color Duplex Printing Automatic Printer Duty Cycle Monthly: 50,000 pagesRecommended Monthly Volume: 750-4,000 pages Print Features N-up printing, collation, HP ePrint, Apple AirPrint, Mopria certified, Google Cloud Print, NFC touch-to-print, wireless direct printing, HP Auto-On/Auto-Off Technology, Print from Cloud using business apps on the control panel, HP JetAdvantage Private Print, Job Storage with PIN printing, Print from USB Media Handling Paper Handling Multipurpose trayInput trayOutput bin Paper Types Paper (bond, brochure, colored, glossy, letterhead, photo, plain, preprinted, prepunched, recycled, rough), postcards, labels, envelopes Paper Sizes Multipurpose Tray: 3 x 5" to 8.5 x 14" / 7.6 x 12.7 cm to 21.6 x 35.6 cmInput Tray: 3.9 x 5.8" to 8.5 x 14" / 10.0 x 14.7 cm to 21.6 x 35.6 cm Media Weight Multipurpose Tray: 16-52 lbInput Tray: 16-47 lb Paper Capacity Multipurpose Tray: 50 sheetsInput Tray: 250 sheetsOutput Bin: 150 sheets Connectivity Interface USB 2.0EthernetWi-Fi with NFC USB Direct Printing Yes, 1 x USB host port Wireless Printing Features HP ePrint, Apple AirPrint, Google Cloud Print, Mopria-certified, wireless direct printing, NFC touch-to-print, mobile apps OS Compatibility Windows XP SP3 (32/64-bit), Vista (32/64-bit), 7 (32/64-bit), 8/8.1 (32/64-bit), 10 (32/64-bit)Mac OS X 10.7-10.10iOS, Android, Windows 8/8.1/10 RTSUSE Linux (12.2, 12.3, 13.1), Fedora (17, 18, 19, 20), Linux Mint (13, 14, 15, 16, 17), Boss (3.0, 5.0), Ubuntu (10.04, 11.10, 12.04, 12.10, 13.04, 13.10, 14.04, 14.10), Debian (6.0.x, 7.x)UNIX Processor 1.2 GHz Memory 256 MB NAND flash, 256 MB DRAM Fonts 84 scalable TrueType fonts Printer Language HP PCL 6, HP PCL 5c, HP postscript level 3 emulation, PDF, URF, PCLm, Native Office, PWG Raster General Attributes Control Panel 3.0" / 7.6 cm color touchscreen3 buttons (home, help, back) Power Requirements 110-127 VAC (±10%), 60 Hz (±3 Hz) Power Consumption Active Printing: 570 WReady: 17.6 WSleep: 2.4 WAuto-On/Off: 0.6 WOff: 0.05 W Typical Power Consumption 1.515 kWh/week Certifications ENERGY STAR certifiedBlue AngelEPEAT Silver Acoustic Noise Power Emissions: 6.3 B(A) (Active); 4.8 B(A) (Ready)Pressure Emissions: 49 dB(A) (Active); 34 dB(A) (Ready) Operating Conditions Temperature: 59 to 86°F / 15 to 30°CHumidity: 10 to 80%, relative non-condensingRecommended Temperature: 59 to 80.6°F / 15 to 27°CRecommended Humidity: 20 to 70%, relative non-condensing Storage Conditions Temperature: -4 to 104°F / -20 to 40°CHumidity: 10 to 95%, relative non-condensing Dimensions 16.2 x 18.5 x 11.6" / 41.1 x 47.0 x 29.5 cmMaximum: 16.2 x 25.6 x 13.4" /41.1 x 65.0 x 34.0 cm Weight 41.7 lb / 18.9 kg