C Printer specifications
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For media and media-handling specifications, see
Selecting print media
.
Physical specifications
Available models and physical dimensions
Size (width x depth x height) HP Officejet Pro K550:
496 x 403.2 x 212.5 mm (19.5 x 15.9 x 8.4 inches)
HP Officejet Pro K550dtn/K550dtwn:
496 x 503.9 x 301.2 mm (19.5 x 19.8 x 11.9 inches)
Weight (does not include printheads or ink cartridges)
HP Officejet Pro K550:
9.7 kg (21.4 lb)
HP Officejet Pro K550dtn/K550dtwn:
12.9 kg (28.5 lb)
Product features and capacities
Connectivity
Print method
Ink cartridges
Printheads
Supply yields
Device languages
● USB 2.0-compliant high speed
● USB host connector is only supported up to full speed.
● Fast Ethernet 10/100Base-TX for wired network connection (HP Officejet Pro K550dtn/
K550dtwn)
● 802.11b/g wireless network (HP Officejet Pro
K550dtwn)
Drop-on-demand thermal inkjet printing
Four ink cartridges (one each for black, cyan, magenta, and yellow)
Two printheads (one black and yellow, and one magenta and cyan)
Visit www.hp.com/pageyield/ for more information on estimated ink cartridge yields.
HP PCL 3 enhanced
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Physical specifications
Font support
Duty cycle
US fonts: CG Times, CG Times Italic, Universe,
Universe Italic, Courier, Courier Italic, Letter
Gothic, Letter Gothic Italic.
Up to 7500 pages per month
Processor and memory specifications
Device processor
Operating system compatibility
▲ MIPS 5KF 64-bit (300 MHz)
Device memory ● 32 MB built-in RAM
● 16 MB built-in Flash ROM
Operating system and network protocol specifications
● 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
System requirements
NOTE Graphic-intensive, complex, and large documents might require more hard disk space.
Minimum
Recommended
● Windows 98: Pentium ® 90 MHz, 16 MB RAM,
145 MB free hard disk space
● Windows Me: Pentium 150 MHz, 32 MB RAM,
145 MB free hard disk space
● Windows 2000: Pentium 300 MHz, 64 MB
RAM, 145 MB free hard disk space
● Windows XP 64-bit edition: Pentium 300
MHz, 64 MB RAM, 180 MB free hard disk space
● Windows Server 2003: Pentium 300 MHz,
128 MB RAM, 180 MB free hard disk space
● Mac OS X (10.2, 10.3, 10.4): 333 MHz, 128
MB RAM, 100 MB free hard disk space
● Microsoft Internet Explorer 6.0
● Windows 98 and Windows Me: Pentium 266
MHz, 32 MB RAM, 175 MB free hard disk space
● Windows 2000: Pentium 300 MHz, 64 MB
RAM, 190 MB free hard disk space
● Windows XP 64-bit edition: Pentium 300
MHz, 128 MB RAM, 210 MB free hard disk space
● Windows Server 2003: Pentium 550 MHz,
256 MB RAM, 210 MB free hard disk space
110 Appendix C Printer specifications ENWW
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Physical specifications
● Mac OS X (10.2, 10.3, 10.4): 333 MHz, 256
MB, 200 MB free hard disk space
● Microsoft Internet Explorer 6.0 or later
Network operating system compatibility ● Windows 98, Windows Me, Windows 2000, Windows XP 64-bit (Professional and Home Editions)
● Mac OS X (10.2, 10.3, 10.4)
● Microsoft Windows Terminal Server Edition 4.0
● Microsoft Windows Server 2003 (formerly known as Microsoft Windows XP
Server Terminal Services)
● Microsoft Windows 2000 Server Terminal Services with Citrix MetaFrame 1.8
● Microsoft Windows Server 2003 Terminal Services with Citrix MetaFrame 1.8
● Microsoft Windows 2000 Server Terminal Services with Citrix V1.8
● Microsoft Windows 2000 Server Terminal Services with Citrix XP
● Microsoft Windows 2000 Server Terminal Services
Compatible network protocols
Network management
▲ TCP/IP
HP Web Jetadmin plug-ins
Embedded Web server Features
● Ability to remotely configure and manage network devices
● myPrintMileage
System requirements
● TCP/IP-based network (IPX/SPX-based networks are not supported)
● A Web browser (either Microsoft Internet
Explorer 5.5, Netscape 7.0, Opera 7.54,
Mozilla Firefox 1.0, or Safari 1.2, or later)
● Network connection. (You cannot use the embedded Web server when the printer is connected directly to a computer.)
● Internet connection (for some features). You can open and use the embedded Web server without being connected to the Internet.
However, some features will not be available.
● Must be on the same side of a firewall as the printer.
Functional Specifications
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Physical specifications
Speed (U.S. Letter)
Resolution
Environmental specifications
Operating environment
Storage environment
Operating temperature 5° to 40° C (41° to 104° F)
Recommended operating conditions
15° to 35° C (59° to 95° F)
15 to 80 % noncondensing Recommended relative humidity
Storage temperature -40° to 70° C (-40° to 158° F)
Storage relative humidity Up to 90 % noncondensing at a temperature of 65°
C (150° F)
Electrical specifications
Draft mode:
● Black text: 37 pages per minute (ppm)
● Mixed text with color graphics: 33 ppm
Normal mode:
● Black text: 16 ppm
● Mixed text with color graphics: 16 ppm
Best mode:
● Black text: 5 ppm
● Mixed text with color graphics: 5 ppm
Laser Quality Speed*:
● Black text: 12 ppm
● Mixed text with color graphics: 10 ppm
* Compared to color laser printers under $500. Laser Quality Speed is an HP measurement method representing the print speed of typical office documents in default mode; compared to published speeds by laser manufacturers as of month,
2005.
Black
▲ Up to 1200 dpi with pigmented black ink
Color
▲ HP enhanced photo quality with Vivera inks (up to 4800 by 1200 dpi
Optimized on HP Premium Plus photo papers with 1200 by 1200 input dpi)
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Physical specifications
Power supply Built-in universal power supply
Power requirements ▲ Input voltage: 100 to 240 VAC (± 10 %), 50/60 Hz
Acoustic emission specifications (print in Draft mode, noise levels per ISO 7779)
Sound pressure (bystander position) LpAd 55 (dBA)
LwAd 6.9 (BA) Sound power
Supported devices
USB flash drives ● SanDisk Cruzer Micro: High-speed, 0120-256, 256 MB
● Iomega Micro Mini: Full-speed, 064-0417450-YCAE032171 , 64 MB
● Kingston DataTraveler II: High-speed, KF112504 f5274-006, 128 MB
● Sony Microvault: High-speed, D04825AB, 256 MB
● Transcend Jet Flash: Full-speed, 10714605250451, 128 MB
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114 Appendix C Printer specifications ENWW
