HP LASERJET PRO MFP M428FDWWinning in business means working smarter. The HP LaserJet Pro MFP M428 is designed to let you focus your time where it’s most effective growing your business and staying ahead of the competition.HP Office Laser Multifunction Printers are designed for SMBs and small workteams in larger companies, delivering enhanced productivity, simplified workflows and reduced costs.This printer is intended to work only with cartridges that have a new or reused HP chip, and it uses dynamic security measures to block cartridges using a non-HP chip. Periodic firmware updates will maintain the effectiveness of these measures and block cartridges that previously worked. A reused HP chip enables the use of reused, manufactured, and refilled cartridges. Function: Print, Copy, Scan, Fax, EmailPrinting Technology: LaserPrint Speed: Up to 38 ppm (default); Up to 40 ppm (HP High Speed)Print Resolution: Fine Lines (1200 x 1200 dpi); HP FastRes 1200, HP ProRes1200, EconomodeMonthly Duty Cycle: Up to 80,000 pagesPrint Languages: HP PCL 6, HP postscript level 3 emulation, PDF, URF, Native Office, PWG RasterScan Resolution: Up to 1200 x 1200 dpiScan speed: Up to 29 ppm/46 ipm (b&w), up to 20 ppm/34 ipm (color)Maximum Flatbed Scan Size: 216 x 297 mm; 216 x 356 mm (ADF)Maximum Number of Copies: Up to 999 copiesCopy Speed: Black: Up to 38 cpmCopy Resolution: 600 x 600 dpiFax Transmission Speed: 33.6 kbpsFax Memory: Up to 400 pagesFax Resolution: Up to 300 x 300 dpi (halftone enabled)Fax Speed Dials: Up to 120 numbersConnectivity: 1 Hi-Speed USB 2.0; 1 rear host USB; 1 Front USB port; Gigabit Ethernet 10/100/1000BASE-T network; 802.3az(EEE); 802.11b/g/n/2.4/5 GHZ Wi-Fi radioWireless Capability: Yes, built-in dual-band Wi-Fi; Authentication via WEP, WPA/WPA2, WPA Enterprise; Encryption via AES or TKIP; WPS; Wi-Fi Direct; Bluetooth Low-EnergyOperating Temperature Range: 10 to 32.5ºCMemory: 512 MBMaximum Memory: 512 MBMedia Types: Paper (plain, EcoEFFICIENT, light, heavy, bond, colored, letterhead, preprinted, prepunched, recycled, rough); envelopes; labelsMaximum Dimensions: 430 x 634 x 325 mm Power Supply: 110-volt input voltage: 110 to 127 VAC (+/- 10%), 50/60 Hz (+/- 2 Hz); 220-volt input voltage: 220 to 240 VAC (+/- 10%), 50/60 Hz (+/- 2 Hz)