http://www8.hp.com/rs/sr/products/printers/product-detail.html?oid=5146481#!tab=features


SpecificationsSpecifications <javascript: void(0);>
Print speed black:
ISO Laser comparable, Professional Mode: Up to 36 ppm
General Office Mode: Up to 55 ppm 
Print speed color:
ISO Laser comparable, Professional Mode:Up to 36 ppm
General Office Mode:Up to 55 ppm 
Print quality black (best) 
Up to 1200 x 1200 optimised dpi from 600 x 600 input dpi
Duty cycle (monthly, A4) 
Up to 50,000 pages 
Print technology 
HP Pagewide Technology with pigmented inks 
Print quality color (best) 
Up to 2400 x 1200 optimised dpi from 600 x 600 input dpi 
Display 
5.08 cm MGD (Monochrome Graphic Display) 
Processor speed 
792 Mhz 
Number of print cartridges 
4 (1 each black, cyan, magenta, yellow) 
Print languages 
HP PCL 5c, HP PCL 6, native PDF, HP Postscript Level 3 emulation 


ConnectivityConnectivity <javascript: void(0);>
HP ePrint capability 
Yes 
Mobile printing capability
HP ePrint, Mobile Apps, Google Cloud Print, Wireless direct printing, Apple AirPrint™
(HP ePrint requires an Internet connection to the printer and an Account Registration with HP Web Services. Print times may vary. For a list of supported documents and image types for HP ePrint, see hp.com/go/eprintcenter. AirPrint™ and the AirPrint Logo are trademarks of Apple® Inc., registered in the U.S. and other countries. AirPrint requires the printer be connected to the same network as your Apple device. Wireless performance is dependent upon physical environment and distance from the access point. For additional solutions, see hp.com/go/mobile-printing-solutions.) 
Wireless capability 
Yes
Connectivity, standard 
1 Hi-Speed USB 2.0 Host 
1 Hi-Speed USB 2.0 Device 
1 Ethernet 10/100 Base-TX network 
802.11 b/g/n Station 
802.11 b/g Access Point
Connectivity, optional 
Support the following external Jetdirect servers 
Print only: HP Jetdirect en1700 External Print Server (J7988G), HP Jetdirect en3700 Fast-Ethernet External Print Server for Network Capable Hi-Speed USB 2.0 Peripherals (J7942G), HP Jetdirect ew2400 802.11b/g wireless and Fast Ethernet external print server (USB 2.0, 10/100Base-TX, 802.11b/g) (J7951G), HP Jetdirect ew2500 802.11b/g Wireless Print Server (J8021A) 
Other supported accessories: Apple AirPort Express, Apple AirPort Extreme, Apple Airport TimeCapsule
Minimum system requirements
Windows 8, Windows 7: 1 GHz 32-bit (x86) or 64-bit (x64) processor, 2 GB hard disk space, CD-ROM/DVD drive or Internet connection, USB port, Internet Explorer; Windows Vista: 800 MHz 32-bit (x86) or 64-bit (x64) processor, 2 GB hard disk space, CD-ROM/DVD drive or Internet connection, USB port, Internet Explorer; Windows XP (SP3) or higher (32-bit only): any Intel® Pentium® II, Celeron® or compatible processor, 233 MHz or higher, 750 MB hard disk space, CD-ROM/DVD drive or Internet connection, USB port, Internet Explorer 6 or higher; Linux: For more information, see hplip.net; SAP: For more information see hp.com/go/sap/drivers;
Mac OS X v10.6, OS X Lion, OS X Mountain Lion; Intel® Core™ Processor; 1 GB available hard disk space; CD-ROM/DVD drive or Internet connection; USB port 
Compatible operating systems 
Windows 8, Windows 7, Windows Vista, Windows XP (SP3, 32-bit), Mac OS X v10.6, Mac OS X Lion, Mac OS X Mountain Lion, Linux (hplip.net)


Memory specificationsMemory specifications <javascript: void(0);>
Memory card compatibility 
None 
Memory, standard 
512 MB 
Memory, maximum 
512 MB 


Paper handlingPaper handling <javascript: void(0);>
Paper handling input, standard 
500-sheet input tray 
50-sheet multi-purpose tray
Paper handling output, standard 
300-sheet face-down output bin
Duplex printing 
Automatic (standard)
Envelope input capacity 
Up to 37 envelopes 
Borderless printing 
No 
Media sizes supported 
Tray 1: A4; A5; A6; B5 (JIS); B6 (JIS); 10 x 15 cm; L; envelopes (B5; C5; C6; DL). Tray 2: A4; A5; B5 (JIS); envelopes (B5; C5; DL). Tray 3: A4; A5; B5 (JIS) 
Media types 
Plain paper (light, intermediate, mid-weight, heavy, extra heavy, prepunched, recycled, bond, other inkjet plain paper); HP Advanced Photo papers (glossy, gloss, soft gloss, satin, matte, other inkjet photo); envelopes; labels; cards; HP Brochure Matte; and other HP inkjet specialty paper (glossy brochure, matte brochure, tri-fold brochure, Hagaki, greeting cards, other inkjet specialty paper) 


Power and operating requirementsPower and operating requirements <javascript: void(0);>
Power 
Input voltage: 100 to 240 VAC (+/- 10%), 50/60 Hz (+/- 3 Hz) 
Power consumption 
100 watts (maximum), 70 watts average (printing), 9.5 watts (ready), 4.5 watts (sleep), 0.95 watts (auto-off), 0.2 watts (manual-off) 
Energy efficiency 
ENERGY STAR® qualified


Dimensions and weightDimensions and weight <javascript: void(0);>
Dimensions (W x D x H)
517 x 399 x 380 mm 
Weight
17.1 kg 
Package weight 
20.5 kg 


What's includedWhat's included <javascript: void(0);>
What's in the box 
HP Officejet X451dw Printer 
HP 970 Setup Black Officejet Ink Cartridge 
HP 971 Setup Officejet Ink Cartridges (Cyan, Magenta, Yellow) 
printer software and user’s guide on CD-ROM 
getting started guide 
setup poster 
power cable 
USB cable
Cable included 
No, please purchase USB cable separately