Produce professional-quality colour documents with ease and speed. Seamlessly integrate into your office or wireless home network.12 HP features help you save paper3 and energy, and print from virtually anywhere with HP ePrint.4
Ideal for printing professional-quality colour documents with an easy-to-use, low-cost printer.


Professional-grade speed and colour

Boost productivity and save time with print speeds up to 20 ppm A4 and 21 ppm letter.
Produce bold text and smooth colour with HP ImageREt 3600 and Original HP LaserJet toner cartridges.
Produce colour 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.5

Manageability, productivity, and mobility

Conserve resources and save paper, using automatic two-sided printing.3
Proactively manage office printing with HP Web Jetadmin.
Conveniently locate the printer anywhere in the office, using built-in wireless connectivity.12 Share printing resources, using built-in Ethernet.
Print from virtually anywhere with HP ePrint.4

Easy-to-use and resource-conserving

Reduce energy use with HP Auto-On/Auto-Off Technology.6 Also save with Instant-on Technology.7
Start right away with HP Smart Install.8 Use HP Auto Wireless Connect to autoconfigure networking.12
Receive consistent results with Original HP cartridges and easily reorder with HP SureSupply.9
Take advantage of free, easy recycling—cartridges returned through HP Planet Partners are recycled responsibly.10
1 Wireless performance is dependent upon physical environment and distance from access point, and may be limited during active VPN connections.
2 Built-in wireless is available on the HP LaserJet Pro 400 Colour M451nw and M451dw only.
3 Automatic two-sided printing is available on the HP LaserJet Pro 400 M451dn and M451dw only.
4 Requires an Internet connection to the printer. Feature works with any Internet- and email-capable device. Print times may vary. For a list of supported documents and image types, see
5 Compared with HP LaserJet Pro P1566/ P1606dn printer. Assuming customer is printing at least 30% of total pages in colour with content similar to the colour ISO/IEC 19798 test suite ( and overall average job length of three pages. Yields established using ISO/IEC test standards. Actual yields and costs vary considerably depending on images printed, number of colour pages printed, and other factors.
6 Energy saving based on internal HP testing of Auto-On/Auto-Off setting compared with default setting. Minimum savings based on a 45-minute sleep delay. Maximum savings based on a 1-minute sleep delay. Actual results may vary.
7 Compared with traditional fusing.
8 HP Smart Install works with Windows only.
9 Program features and availability may vary by country. For more information, visit
10 Program availability varies. HP print cartridge return and recycling is currently available in more than 50 countries and territories around the world through the HP Planet Partners program. For more information, or to request return envelopes and bulk collection boxes, visit
  • Note: Information published at this site may refer to products, programs or services that are not available in your country. Consult your local HP business contact for information regarding the products, programs and services that may be available. *Except where noted, all prices are estimated HP Hong Kong prices solely for the purpose for customer's reference but not otherwise. Actual prices from other locations or websites may vary from location to location and from time to time.