This is what HP has to say: -

Enjoy high-speed performance, right when you need it.
Print from sleep mode in as fast as 9 seconds. Get two-sided prints as quickly as one up to 40 ipm.
This printer uses exceptionally low amounts of energy thanks to smart media-sensing and toner technology.
Equip employees to fly through tasks with the adjustable 10.9 cm (4.3-inch) colour touchscreen.
Consistently print high-quality documents across a variety of media including A5 with automatic media sensing.

Keep your printer fleet simple, protected and streamlined.
Centralise control of your print environment with HP Web Jetadmin and help build business efficiency.
Protect sensitive data with embedded or optional features, including HP Jet Advantage Security Solutions.
Easily develop, deploy and add on HP and third-party solutions. Choose the optional 1 GB memory upgrade.

Print whenever business demands.
Enable wireless direct printing in the office from mobile devices without accessing the network.
Print with just a touch of your NFC-enabled mobile device to this printer no network needed.
Easily print from a variety of smartphones and tablets generally no setup or apps required.

Get more pages, performance and protection.
Original HP Toner cartridges with Jet Intelligence deliver more pages per cartridge than predecessors.
Count on professional quality at fast speeds HP Color Sphere 3 toner works best with your HP printer.
Help ensure the authentic HP quality you paid for with anti-fraud and cartridge authentication technology.