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Technical specifications
Print technology HP Thermal inkjet
Print head nozzles 2112
Print speed Document type Draft Normal Best
(Up to # pages per minute) Black text A4 37 12 5
Mixed text/colour graphics A4 33 10 5
Approximate figures – exact speed will vary depending on the print settings, system configuration, software program and document complexity.
Processor MIPS 5KF 64-bit, 300 MHz
Print quality Black: Up to 1200 x 1200 dpi; colour: up to 4800 x 1200-optimised dpi colour printing and 1200-input dpi
Colour technology HP Photoret III
Operating systems compatibility Windows NT
®
4.0, 98, 2000, Me, XP Home, XP Professional; Novell
™
NetWare 3.2, 4.2, 5.x, 6; Mac OS X v 10.2.x, 10.3.x,
10.4.x; Red Hat Linux 9.0 and higher; SuSE Linux 8.1 and higher; Debian 3.0 and higher; Slackware 8.1 and higher; Lindows
1.3 and higher
Latest drivers available from HP Support Web site, http://www.hp.com/support/officejetprok550
Network operating systems compatibility K550: Via HP Jetdirect print severs: Windows NT
®
4.0, 98, 2000, Me, XP Home, XP Professional; Novell
™
NetWare 3.2, 4.2,
5.x, 6; Mac OS X v 10.2.x, 10.3.x, 10.4.x; Red Hat Linux 9.0 and higher; SuSE Linux 8.1 and higher; Debian 3.0 and higher;
Slackware 8.1 and higher; Lindows 1.3 and higher; K550dtn/dtwn: Windows NT 4.0, 98, 2000, Me, XP Home, XP
Professional; Novell NetWare 3.2, 4.2, 5.x, 6; Mac OS X v 10.2.x, 10.3.x, 10.4.x; Red Hat Linux 9.0 and higher; SuSE Linux
8.1 and higher; Debian 3.0 and higher; Slackware 8.1 and higher; Lindows 1.3 and higher
Recommended system requirements Windows
®
: K550/dtn: 90 MHz Pentium
®
, 16 MB RAM, 90 MB hard disk space, monitor (640 x 480 resolution, 256 colours);
K550dtwn: 300 MHz Pentium, 64 MB RAM, 120 MB hard disk space, monitor (800 x 600 screen resolution, 256 colours)
Macintosh: K550/dtn: Mac OS X v 10.2, 10.3 or 10.4; 333 MHz (iMac), 350 MHz (Power Mac); 128 MB RAM; 100 MB
available disk space; monitor (640 x 480, 256-colour display); CD-ROM drive; K550dtwn: Mac OS X v 10.2, 10.3 or 10.4;
333 MHz (iMac), 350 MHz (Power Mac); 256 MB RAM; 200 MB available disk space; monitor (1280 x 1024, millions-colour
display); CD-ROM drive
Memory 32 MB
Printer languages PCL 3 with HP High Performance Architecture (HPA
™
)
Typefaces/fonts 4 built-in: Courier, Letter Gothic, CG Times, Univers
Duty cycle Up to 7,500 pages per month
Media types Paper (plain, inkjet, photo), envelopes, brochure paper, transparencies, labels, cards (index, greeting)
Maximum print area 209.9 x 349.6 mm
Print margins Top: 3 mm; left: 3 mm; right: 3 mm; bottom: 3 mm
Media handling Input Capacity Weight Size
Tray 1 Plain paper: 60 to 105 g/m
2
(plain media), A4, A5, A6, B4, B5 (JIS), C5, C6;
up to 250 sheets 60 to 200 g/m
2
(special media), custom: 76 x 127 to 216 x 356 mm;
up to 200 g/m
2
(card media) 10 x 15 cm, 13 x 18 cm
Tray 2 Plain paper: 60 to 105 g/m
2
(plain media) A4, A5, A6, B4, B5 (JIS), C5, C6;
up to 350 sheets custom: 76 x 127 to 216 x 356 mm
Duplex unit – – A4, B5(JIS), 10 x 15 cm, 13 x 18 cm
Output: sheets: up to 150
Duplex printing: K550/dtn: Automatic (optional); K550dtwn: Automatic
Paper handling K550: Standard 250-sheet input tray, optional second 350-sheet paper tray, 150-sheet output tray, optional automatic two-sided
printing (duplexer); K550dtn/dtnw: Standard 250-sheet input tray and second 350-sheet paper tray, 150-sheet output tray,
automatic two-sided printing
Power Requirements: Input voltage 115 to 127 VAC (± 10%), 60 Hz (± 2 Hz); 220 to 240 VAC (± 10%), 50 Hz (± 2 Hz)
Supply type: Internal power supply
Consumption: K550: 52 watts; K550dtn: 54 watts; K550dtwn: 59 watts
Interface and connectivity K550: Hi-Speed USB 2.0 port; K550dtn: as K550 plus: Fast Ethernet 10/100Base-TX (RJ-45 connector);
K550dtwn: as K550dtn plus: wireless 802.11b/g Ethernet (WiFi)
Optional: K550: HP Jetdirect external print servers
Control panel 5 front-panel buttons (Configuration, Job cancel, Printhead status, Power on, Resume)
Software included Printer software on CD-ROM (includes printer installation software, printer drivers, administrative tools and user’s guide)
Drivers on the web: Adobe
®
Acrobat
®
Reader, HPMA
Dimensions (w x d x h) K550: 496 x 403.2 x 212.5 mm/307 x 603 x 535 mm;
(out of package/packaged) K550dtn/dtnw: 496 x 503.9 x 301.2 mm/603 x 504 x 535 mm
Weight (out of package/packaged) K550: 9.7 kg/12 kg; K550dtn/dtwn: 12.9 kg/17.8 kg
Printer management K550: HP Officejet Pro K550 Toolbox, HP Printer Status and Alerts; K550dtn/dtwn: as K550 plus HP Web Jetadmin,
HP Embedded Web Server
Operating environment Environmental ranges: Operating temperature: 5 to 35˚ C, recommended operating temperature: 15 to 35˚ C, operating humidity:
15 to 80% RH, recommended operating humidity: 15 to 80% RH, storage temperature: -40 to 70˚ C, storage humidity: 15 to 90% RH.
Noise level per ISO 9296: sound power: LwAd: 6.5 B(A) (printing at 16 ppm, Normal mode); 6.9 B(A) (printing at 37ppm,
Draft mode), sound pressure: LpAm; 51 dB(A) (Printing at 16ppm, Normal mode), 55 dB(A) (Printing at 37ppm, Draft mode)
Product certifications Safety certifications: K550/dtn: IEC 950-compliant, safety UL listed, EU LVD, EN 60950 compliant, NEMKO-GS approved,
certified by Canada CSA, Mexico NOM-NYCE, Argentina IRAM-S, Russia GOST, Singapore PSB, China CCC, Korea KTL,
Taiwan BSMI; K550dtwn: IEC 950-compliant, safety UL listed, EU LVD, EN 60950 compliant, NEMKO-GS approved, certified
by Canada CSA, Mexico NOM-NYCE, Argentina IRAM-S, Russia GOST
EMC certifications: EU (EMC Directive), US (FCC Rules), Australia (ACA), New Zealand (MoC), Canada (DoC), China
(Requirements for Class B Products), Korea (MIC), Taiwan (BSMI), Japan (VCCI). Energy Star
®
Warranty One-year limited hardware warranty
Ordering information
C8157A HP Officejet Pro K550
Colour Printer: 4 individual ink
cartridges HP 88 (black 20 ml, cyan,
magenta and yellow 9 ml each),
2 printheads (black/yellow and
cyan/magenta), printer software
and user’s guide on CD-ROM, setup
poster, power cable
C8158A HP Officejet Pro K550dtn
Colour Printer: as C8157A plus
automatic two-sided printing unit,
second 350-sheet paper tray,
built-in 802.3 wired Fast Ethernet
(RJ-45 connector)
C8159B HP Officejet Pro K550dtwn
Colour Printer: as C8158A plus
built-in 802.11b/g Wireless Ethernet
Accessories
C8255A HP Inkjet Auto-Duplexer Unit
C8256A HP Inkjet 250-sheet Paper Tray
Supplies
C9385AE HP 88 Black Ink Cartridge
C9386AE HP 88 Cyan Ink Cartridge
C9387AE HP 88 Magenta Ink Cartridge
C9388AE HP 88 Yellow Ink Cartridge
C9391AE HP 88 Large Cyan
Ink Cartridge
C9392AE HP 88 Large Magenta
Ink Cartridge
C9393AE HP 88 Large Yellow
Ink Cartridge
C9396AE HP 88 Large Black
Ink Cartridge
C9381A HP 88 Black and
Yellow Printhead
C9382A HP 88 Magenta and
Cyan Printhead
Connectivity
J6035C HP Jetdirect 175x External Print
Server (USB 2.0 compatible,
10/100Base-TX)
J7942A HP Jetdirect en3700 External
Print Server (Hi-Speed USB 2.0,
10/100Base-TX)
J7951A HP Jetdirect ew2400 802.11g
Wireless and Fast Ethernet
External Print Server
Cables
C6518A HP USB Cable, 2 m
C6520A HP USB Cable, 3 m
For a complete list of supplies and accessories
please refer to the HP website at
http://www.hp.com
http://www.hp.com
For more information, please call your local HP sales office or representative: Albania: +49 89 9396 1803; Algeria: +213 (0) 61 56 45 43; Austria: +43 (0) 810 00 60 80; Bahrain: 800 171; Belgium: +32 (02) 729 71 11;
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11 201 99 00; South Africa: 0800 11 88 83; Spain: +34 (91) 631 16 00; Sweden: +46 200 27 00 00; Switzerland: Pre-sales/product information +41 (0) 848 88 44 66, Spare parts, manuals +41 (0) 848 84 74 64;
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©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.
Published in EMEA 08/05 5983-2816EEE