M451dn - 600 x 600 dpi, 21/21ppm, 17s, 600Mhz, USB 2.0, Fast Ethernet, 23640g, White/Black

Produce professional-quality color documents with ease and fast speed. Easily integrate into your office or home network. Save paper with automatic two-sided printing, and print from virtually anywhere with HP ePrint.

Features
- Professional-grade speed and color
- Boost productivity and save time with print speeds up to 21 ppm letter.
- Produce bold text and smooth color with HP ImageREt 3600 and Original HP LaserJet toner cartridges.
- Design your own marketing materials—print on media from 3.5 x 5 inches (8.9 x 12.7 cm) to 8.5 x 14 inches (21.6 x 35.6 cm). Use tips, tools, and templates from HP—access ideas and download templates and stock photos.
- Produce color marketing materials in-house on a range of media sizes by using tips and templates from HP.
- Print documents affordably. Get the same black cost per page as a black-and-white HP LaserJet printer.

Manageability, productivity, and mobility
- Proactively manage office printing with HP Web Jetadmin.
- Print from anywhere in the office, using built-in wireless connectivity. Share printing resources, using built-in Ethernet.
- Print from virtually anywhere with HP ePrint.

Easy-to-use and resource-conserving
- Reduce energy use with Auto-Off Technology. Also save with Instant-on Technology.
- Install in only a few minutes—there's no CD required with HP Smart Install. Set up the printer on a wireless network effortlessly, using HP Auto Wireless Connect.
- Start right away with HP Smart Install. Use HP Auto Wireless Connect to autoconfigure networking.
- Receive consistent results with Original HP cartridges and easily reorder with HP SureSupply.
- Take advantage of free, easy recycling—cartridges returned through HP Planet Partners are recycled responsibly.

Eco Highlights
- Save energy—HP Auto-Off Technology turns your printer Off when you don’t need it.
- Lower your impact—reduce energy and paper use with HP EcoSMART Console.
- HP Auto-Off capabilities subject to printer and settings.
- ENERGY STAR® qualified

HP LaserJet M451dn, Laser, Colour, 600 x 600 DPI, A4, 21 ppm, Duplex printing