HP Officejet Pro K550dtn, Pro K550dtwn For more information visit our website at www.hp.com, Ordering information, 4AA0-1498ENA,08/2005, Rev

HP Officejet Pro K550 series color printer

Technical specifications	HP Officejet Pro K550 color printer (C8157A)				HP Officejet Pro K550dtn color printer (C8158A)			HP Officejet Pro K550dtwn color printer (C8159A)
Print speed (letter)11
Black			Up to 37 ppm Draft; 16 ppm Normal; 12 ppm Laser Quality Speed12; 5 ppm Best
Color			Up to 33 ppm Draft; 16 ppm Normal; 10 ppm Laser Quality Speed12; 5 ppm Best
Resolution		Up to 4800 by 1200-optimized dpi color when printing on HP Premium Photo Papers from a computer, 1200 by 1200 dpi input
Processor					300 MHz
Memory					32 MB RAM
Duty cycle					Up to 7,500 pages per month
Media
Input		250-sheet tray					250-sheet tray, 350-sheet tray
Duplex printing	Optional automatic two-sided printing accessory						Automatic two-sided printing accessory
Output					150 sheets
Custom sizes					3 by 5 in (76 by 127 mm) to 8.5 by 14 in (216 by 356 mm)
Standard sizes				Letter, legal, statement, executive, No. 10 envelopes, Monarch envelopes
Weights	250-sheet tray: plain media: 16 to 28 lb (60 to 105 g/m2), special media: 16 to 110 lb (60 to 200 g/m2), card media: up to 110 lb index (200 g/m2)
					350-sheet tray: plain media: 16 to 28 lb (60 to 105 g/m2)
Types		Paper (plain, inkjet, photo), envelopes, brochure paper, transparencies, labels, cards (index, greeting)
Connectivity
Interfaces	Hi-Speed USB 2.0 port				Hi-Speed USB 2.0 port, built-in wired Ethernet networking			Hi-Speed USB 2.0 port, Full-Speed USB host connector
								(for Windows® Connect Now configuration), built-in
								wired Ethernet networking, built-in wireless 802.11b/g
								networking with SecureEasySetup™
Printer language					HP PCL 3 GUI
Operating systems	Windows® 98, Windows Me, Windows 2000, Windows XP 64-bit (Professional and Home Editions), and Windows Server 2003; Mac OS X (10.2, 10.3, 10.4): Linux®; Windows
	2000, 2003 Server Terminal Services with Citrix MetaFrame 1.8; Windows 2000 Server Terminal Services with Citrix V1.8, XP, Windows 2000 Server Terminal Services
Minimum system	Windows 98: 90 MHz Pentium®, 16 MB RAM, 50 MB hard disk space; Windows ME: 150 MHz Pentium, 32 MB RAM, 50 MB hard disk space, Windows 2000, XP: 300 MHz
requirements	Pentium, 64 MB RAM, 110 MB hard disk space, Windows 2003 Server: 550 MHz Pentium, 128 MB RAM, 110 MB hard disk space; monitor (640 by 480 resolution, 256 colors)
	Mac OS X (10.2, 10.3 10.4), 333 MHz (iMac), 350 MHz (Power Mac); 128 MB RAM; 100 MB available disk space; monitor (640 by 480, 256-color display); CD-ROM drive
Dimensions (w by d by h)	19.5 by 15.9 by 8.4 in (496 by 403.2 by 212.5 mm)					19.5 by 19.8 by 11.9 in (496 by 503.9 by 301.2 mm)
Weight		21.4 lb (9.7 kg)					28.5 lb (12.9 kg)
What’s in the box	Printer; power cord; USB cable (Asia Pacific only); HP 88 Black Ink Cartridge, 20.5 ml; HP 88 Cyan, Magenta, and Yellow Ink Cartridges, 9 ml; 2 printheads;
				Getting Started Guide; Setup Poster; driver CD (includes User’s Guide)
Also includes					350-sheet tray, automatic two-sided printing accessory,			350-sheet tray, automatic two-sided printing accessory,
					built-in wired Ethernet networking			cross cable, built-in wired Ethernet networking, built-in
								wireless 802.11b/g networking with SecureEasySetup™
						Ordering information
Environmental ranges							Product		Number
Operating temperature	41 to 95° F (5 to 35° C); Recommended: 59 to 95° F (15 to 35° C)						HP Officejet Pro K550 color printer		C8157A
Storage temperature	-40 to 158° F (-40 to 70° C)						HP Officejet Pro K550dtn color printer		C8158A
Operating humidity	15 to 80% RH						HP Officejet Pro K550dtwn color printer		C8159A
Non-operating humidity	15 to 90% RH						Paper handling
Operating altitude	3048 m						Automatic two-sided printing accessory		C8255A
Acoustics							350-sheet input tray		C8256A
Sound power	6.5 B(A) (printing at 16 ppm) Normal mode						HP print supplies15
	6.9 B(A) (printing at 37 ppm) Draft mode						HP 88 Black Ink Cartridge, 20.5 ml		C9385A
Sound pressure	51 dB(A) (printing at 16 ppm) Normal mode						HP 88 Cyan Ink Cartridge, 9 ml		C9386A
(user standing)	55 dB(A) (printing at 37 ppm) Draft mode						HP 88 Magenta Ink Cartridge, 9 ml		C9387A
	14 dB(A) Powersave mode						HP 88 Yellow Ink Cartridge, 9 ml		C9388A
	15 dB(A) Standby mode						HP 88L Black Ink Cartridge, 58.9 ml		C9396A
Power specifications13	Input requirements: 100 to 240 VAC, 50/60 Hz						HP 88L Cyan Ink Cartridge, 17.1 ml		C9391A
Power consumption	K550	K550dtn		K550dtwn			HP 88L Magenta Ink Cartridge, 17.1 ml		C9392A
Maximum14	180 watts	180 watts		180 watts			HP 88L Yellow Ink Cartridge, 17.1 ml		C9393A
Active	52.17 watts	53.97 watts	58.70 watts				HP 88 Black and Yellow Printhead		C9381A
Standby	8.47 watts	8.83 watts	11.36 watts				HP 88 Magenta and Cyan Printhead		C9382A
Powersave	7.20 watts	8.83 watts	11.36 watts				Cables
Off	0.78 watts (240 V)	0.78 watts (240 V)	0.78 watts (240 V)				USB cable (a-b) 2 meter		C6518A
	0.15 watts (110 V)	0.15 watts (110 V)	0.15 watts (110 V)				Connectivity
Power certifications	Energy Star® compliant						HP Jetdirect en3700 Fast Ethernet external print server		J7942A
EMC	US (FCC Rules), Canada (DoC)						(USB 2.0, 10/100Base-TX)
Safety	IEC 950-compliant, safety UL listed, EU LVD, EN 60950 compliant, NEMKO-GS ap-						HP Jetdirect ew2400 802.11b/g wireless and Fast Ethernet		J7951A
	proved, certified by Canada CSA, Mexico NOM-NYCE						external print server (USB 2.0)
Warranty	One-year limited hardware warranty; standard exchange, 24-hour, 7 days a week Web						HP Jetdirect 175x Fast Ethernet external print server		J6035D
	support, business hour phone support						(USB 1.1)
11 Approximate figures—exact speed will vary depending on the print settings, system configuration, software program, and document							Supported paper
complexity.							North America: www.hp.com/go/everydaypapers
12 Compared to color laser printers under $500. Laser Quality Speed is an HP measurement method representing the print speed of typical							USA: 1-800-477-5010
office documents in default mode; compared to published speeds by laser manufacturers as of May, 2005.

13 Power requirements are based on the country/region where the printer is sold. Do not convert operating voltages. This will damage the printer and void the product warranty.

14 Maximum power does not occur at a sustained duration, it is a transitional peak power over a short period during operation. The power actually consumed is much lower and better represented by the active, standby and power save mode figures.

15 For estimated yields, refer to www.hp.com/go/pageyield

Energy Star and the Energy Star logo are U.S. registered marks of the United States Environmental Protection Agency. HP and the invent signature are trademarks of the Hewlett-Packard Company. Linux is a U.S. registered trademark of Linus Torvalds. Pentium is a registered trademark of Intel Corporation or its subsidiaries in the United States and other countries. Microsoft, Windows, Windows NT, and Windows XP are U.S. registered trademarks of Microsoft Corporation.

© Copyright 2005 Hewlett-Packard Development Company, L.P.

The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

For more information visit our website at www.hp.com

4AA0-1498ENA, 08/2005, Rev. 2.1