- - Laser
- - 600 x 600 DPI
- - A4 20 ppm
- - Duplex printing
- - Ethernet LAN connection
- - LCD Built-in display
- - Maximum duty cycle: 40000 pages per month
- - Total input capacity: 300 sheets Total output capacity: 150 sheets
- - 600 MHz
LaserJet Pro 400 Color M451dn, Refurbished
Produce professional-quality colour documents with ease and speed. Seamlessly integrate into your office or wireless home network. Save paper with automatic two-sided printing and print from virtually anywhere with HP ePrint.
Enjoy high productivity with great print speeds and professional-quality colour.
- Boost productivity and save time with print speeds of up to 20 ppm A4.
- Produce crisp, detailed text and consistently smooth colour with HP ImageREt 3600 and riginal HP LaserJet toner cartridges.
- Design and produce colour marketing materials in-house on a range of media sizes from 8.9 x 12.7 cm (3.5 x 5 inches) to 21.6 x 35.6 cm (8.5 x 14 inches).
- Print documents affordably: get the same black cost per page as a black-and-white HP LaserJet printer.
Manage networked resources using convenient, intuitive setup and easy-to-use management features.
- Install and proactively manage this printer remotely using HP Web Jetadmin.
- Use the printer anywhere in the office, with built-in wireless connectivity. Share printing on a network with built-in 10/100 Ethernet.
- Print from virtually anywhere with HP ePrint3. Print from a smartphone directly to your printer using HP wireless direct printing6, and print wirelessly from your iPad®, iPhone®, and iPod touch® with AirPrint™.
Reduce your environmental impact.
- Reduce energy use with HP Auto-On/Auto-Off Technology, which turns the printer on when you need it and off when you don't. Save even more energy with Instant-on Technology.
- Reduce waste and easily manage paper use with automatic two-sided printing.
- Save money and print for longer with Original HP high capacity black cartridges, and easily reorder with HP SureSupply.
- Take advantage of free, easy recycling – cartridges returned through HP Planet Partners are recycled responsibly.
HP LaserJet 400 Color M451dn, Laser, Colour, 600 x 600 DPI, A4, 20 ppm, Duplex printing
HP LaserJet 400 Color M451dn. Print technology: Laser, Colour. Number of print cartridges: 4, Maximum duty cycle: 40000 pages per month. Maximum resolution: 600 x 600 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 20 ppm, Duplex printing. Display: LCD. Network ready. Product colour: Grey
It's a competent colour laser, but due to high print costs, HP's sluggish M451dn doesn't exactly set the heart pounding... 
umption Printing: 425 W, Standby: 15.20 W; Duplex Unit; Double Sided Printing (Duplex) Type Automatic (Standard); Media Supported Paper (bond, brochure, coloured, glossy, letterhead, photo, plain, preprinted, prepunched, recycled, rough), postcards, transparencies, labels, envelopes; Paper Trays (Standard/Maximum) 2/3; Paper Handling Manual Feed 50 Sheet Multipurpose Tray; Paper Handling Input 1... 
Good office doc quality, Ethernet and wifi connectivity, ePrint, Extendable memory and paper capacities, Moderate energy consumption...