Reproduction, adaptation, or translation
without prior written permission is
prohibited, except as allowed under the
copyright laws.
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.
Part number Q3702-90923
Edition 1, 5/2004
Safety information
WARNING!
Potential Shock Hazard
Always follow basic safety precautions
when using this product to reduce risk of
injury from fire or electric shock.
Read and understand all instructions in the
user guide.
Observe all warnings and instructions
marked on the product.
Use only a grounded electrical outlet when
connecting the printer to a power source. If
you do not know whether the outlet is
grounded, check with a qualified electrician.
Do not touch the contacts on the end of
any of the sockets on the printer. Replace
damaged cords immediately.
Unplug this product from wall outlets before
cleaning.
Do not install or use this product near water
or when you are wet.
Install the product securely on a stable
surface.
Install the product in a protected location
where no one can step on or trip over the
power cord and where the power cord will
not be damaged.
If the product does not operate normally,
see the online user guide.
Refer all servicing questions to qualified
personnel.
Information regarding FCC Class B, Parts
15 and 68 requirements can be found in
the user guide.
Trademark credits
Adobe®, Acrobat®, Adobe® PostScript®
3™, and the Acrobat Logo® are
trademarks of Adobe Systems Incorporated.
Microsoft®, Windows®, and Windows NT®
are U.S. registered trademarks of Microsoft
Corporation.
UNIX® is a registered trademark of The
Open Group.
Energy Star® and the Energy Star logo®
are U.S. registered marks of the United
States Environmental Protection Agency.
Thank you for purchasing the HP color LaserJet 2550 series printer. The printer is available
in the following configurations.
HP color LaserJet 2550L
The HP color LaserJet 2550L printer is a four-color laser printer that prints letter-size pages
up to 20 pages per minute (ppm) in black and white, A4-size pages up to 19 ppm, and it
prints letter/A4-size pages at 4 ppm in color. It includes a PCL 6 printer driver and has
PostScript
●Trays. The printer comes with a multipurpose tray (tray 1) that holds up to 125 sheets of
®
level 3 emulation.
various print media or 10 envelopes. The printer can also accept an optional 250-sheet
tray (tray 2) for standard sizes and optional 500-sheet tray (tray 3) for A4 and letter
sizes. (Optional tray 2 must be installed in order to install optional tray 3.) See
media weights and sizes for more information.
Supported
●Print cartridges. This model comes standard with color print cartridges (cyan, yellow,
and magenta) that can print up to 2,000 pages at 5 percent coverage. It comes with a
black print cartridge that can print up to 5,000 pages at 5 percent coverage. (A typical
business letter has 5 percent coverage.)
●Connectivity. The printer provides parallel and universal serial bus (USB) ports for
connectivity. The printer also accepts an optional HP Jetdirect external print server for
connecting to a network.
●
Memory. The printer comes standard with 64 MB RAM.
●Expandability. The printer has one available DIMM slot for memory expansion and
additional font support. The memory is expandable to 192 MB by adding a 128-MB DIMM.
HP color LaserJet 2550Ln
The HP color LaserJet 2550Ln printer has the same features as the HP color LaserJet
2550L printer, except it includes an HP Jetdirect internal print server for connecting to a
10/100Base-T network. This model also accepts optional tray 2 and optional tray 3. (Optional
tray 2 must be installed in order to install optional tray 3.)
2Chapter 1 Product informationENWW
HP color LaserJet 2550n
The HP color LaserJet 2550n printer has the same features as the HP color LaserJet
2550Ln printer and also includes tray 2. This model also accepts optional tray 3. This model
comes standard with high-capacity color print cartridges that can print up to 4,000 pages.
ENWWPrinter configurations3
Printer features
FeatureHP color LaserJet 2550 series printer
Color printing●Provides laser printing in full color by using
the four process colors: cyan, magenta,
yellow, and black (CMYK).
Fast print speed
Excellent print quality
Ease of use●Few supplies to order. Supplies are easy to
Expandability●Optional tray 2. (Included with the 2550n
●Prints in black on letter-size paper up to 20
ppm and on A4-size paper up to 19 ppm.
Prints in color on A4/letter at 4 ppm.
●ImageREt 2400 provides 2400 dpi (dots per
inch) color and laser-class quality through a
multilevel printing process.
●True 600 x 600 dpi text and graphics.
●Adjustable settings to optimize print quality.
●The HP UltraPrecise print cartridge has a
finer toner formulation that provides sharper
text and graphics.
install.
●Convenient access to printer information
and settings by using the HP LaserJet
Toolbox software.
●Convenient access to all supplies and to the
paper path through the front door.
model; compatible with all other models.)
This 250-sheet tray for standard sizes
reduces how often you have to add paper to
the printer. Only one 250-sheet tray can be
installed on the printer.
●Optional tray 3. This 500-sheet tray for letter
and A4 sizes reduces how often you have to
add paper to the printer. Only one 500-sheet
tray can be installed on the printer. Optional
tray 2 must be installed in order to install
optional tray 3.
●Optional HP Jetdirect external print server
for connecting to a network (HP color
LaserJet 2550L printer).
●One DIMM slot for adding memory and fonts.
4Chapter 1 Product informationENWW
FeatureHP color LaserJet 2550 series printer
Flexible paper handling
Printer driver features
●Adjustable tray 1 (multipurpose tray) for
letterhead, envelopes, labels,
transparencies, custom-sized media,
postcards, glossy paper, HP LaserJet
Tough paper, and heavy paper.
●Optional tray 2 (250-sheet tray) that is
adjustable for several standard sizes of
paper.
●Optional tray 3 (500-sheet tray) for letter-
and A4-size paper. (Optional tray 2 must be
installed in order to install optional tray 3.)
●One 125-sheet output bin and one output
door. Select the top output bin (face down)
for most jobs, including transparencies. Use
the rear output door (face up) for jobs on
heavy paper, light paper, or special print
media.
●Straight-through paper path capability from
tray 1 to the rear output door.
●Manual two-sided printing (duplexing). See
Interface cover.
●Fast printing performance, built-in Intellifont
and TrueType scaling technologies, built-in
HP-GL/2 vector graphics, and advanced
imaging capabilities are benefits of the PCL
6 printer language. The PCL 6 also
includes 45 scalable TrueType fonts and
one bitmapped Line Printer Font. The PCL
6 printer language also included.
PostScript® (PS) level 3 emulation language
and fonts
Automatic language-switching●The printer automatically determines and
Interface connections
●Includes 35 built-in PS language fonts.
switches to the appropriate printer language
(such as PS or PCL 6) for the print job.
●Bidirectional enhanced capabilities port
(ECP) type-B parallel port (IEEE-1284
compliant).
●High-speed USB port.
●Accepts an optional HP Jetdirect external
print server (HP color LaserJet 2550L
printer). The HP color LaserJet 2550Ln and
2550n printers include an HP Jetdirect
internal print server.
ENWWPrinter features5
FeatureHP color LaserJet 2550 series printer
Networking●Accepts an optional HP Jetdirect external
print server (HP color LaserJet 2550L
printer). The HP color LaserJet 2550Ln and
2550n printers include an HP Jetdirect
internal print server.
●All common network protocols such as
Ethernet, Token Ring, and LocalTalk are
available by using an optional HP Jetdirect
external print server. (The 2550Ln and
2550n models include an HP Jetdirect
internal print server.)
Enhanced memory and memory expansion●The printer comes with 64 MB of memory
and can be expanded to 192 MB by using
the DIMM slot. Most documents can be
printed with the standard amount of printer
memory through the aid of Memory
Enhancement technology (MEt). MEt
automatically compresses data, and almost
doubles the printer memory and
accommodating more complex printing with
available memory.
Energy savings●The printer automatically conserves
electricity by substantially reducing power
consumption when it is not printing.
●As an ENERGY STAR® partner, Hewlett-
Packard Company has determined that this
product meets ENERGY STAR® guidelines
for energy efficiency. ENERGY STAR® is a
U.S. registered service mark of the United
States Environmental Protection Agency.
Economical printing●N-up printing (printing more than one page
on a sheet) and two-sided printing using
manual duplexing saves paper. See
a cleaning page and Interface cover.
Supplies●A Supplies Status page with print cartridge
and imaging drum gauges that show the
supply levels that remain. For HP supplies
only.
●No-shake cartridge design.
●Authentication for HP print cartridges.
●Enabled supplies-ordering capability.
Accessibility●Online user guide that is compatible with
text screen-readers.
●Print cartridges and the imaging drum can
be installed and removed by using one hand.
●All doors and covers can be opened by
using one hand.
To use
6Chapter 1 Product informationENWW
Printer overview
Hardware components
Before using the printer, familiarize yourself with the parts of the printer.
1Top (face-down) output bin
2Power switch
3Optional tray 3
4Optional tray 2 (included with HP color LaserJet 2550n model)
5Tray 1
6Top cover
7Control panel
7
1
6
5
2
4
3
7
12
8
11
9
10
7Control panel
8Interface ports *
9Optional tray 2
10 Optional tray 3
11 Power connector
12 Rear (face-up) output door
* The interface ports are described in more detail in the next chapter. See Interface ports.
Model and serial numbers
The model number and serial number are listed on an identification label located underneath
the top door.
ENWWPrinter overview7
The label contains information about the country/region of origin and the revision level,
manufacturing date, production code, and production number of the product. The label also
contains power rating and regulatory information.
Figure 1-1.
HP color LaserJet 2550 series printer identification label
8Chapter 1 Product informationENWW
Software components
Software and supported operating systems
For easy printer setup and access to the full range of printer features, HP strongly
recommends that you install the software that is provided. Not all software is available in all
languages. See the HP Color LaserJet 2550 Series Printer Getting Started Guide for
installation instructions, and see the Readme file for the latest software information.
The most recent drivers, additional drivers, and other software are available from the Internet
and other sources. See
The printer supports the following operating systems:
●
Microsoft
Windows XP
●
Windows NT
●Macintosh OS 9.1, 9.2, 9.3, and OS X v.10.1 and later
●
UNIX
The following tables list the software that is available for your operating system.
Table 1-1. HP color LaserJet 2550 series printer software
®
Windows® 98, Windows 2000, Windows Millennium Edition (Me), and
®
, Linux, and OS/2 (limited functionality)
Related documentation and software.
®
4.0 (driver only, other printer software is not available)
FeatureWindows
98, Me
Windows
Installer
PCL 6
printer driver
PS printer
driver
HP Web
Jetadmin
software
HP
HP LaserJet
Toolbox
software
Macintosh
Installer
Windows
2000 and
XP
1
Macintosh
OS 9.1,
9.2, and 9.3
Macintosh
OS X v.
10.1 and
later
2
UNIX®,
Linux
OS/2
ENWWSoftware components9
Table 1-1. HP color LaserJet 2550 series printer software (continued)
FeatureWindows
98, Me
Macintosh
PostScript
printer
description
(PPD) and
printer
dialog
extensions
(PDE)
Windows
2000 and
XP
Macintosh
OS 9.1,
9.2, and 9.3
Macintosh
OS X v.
10.1 and
later
UNIX®,
Linux
OS/2
IBM drivers
Model
scripts
1
Available on the HP Web site.
2
HP LaserJet Toolbox software support for Macintosh OS X, v. 10.2 or later.
3
Available on the HP Web site. Not specific to this printer.
3
1
Software tips
The following are some tips for working with the printer software.
Gaining access to the printer features
The printer features are available in the printer driver. Some features such as custom paper
sizes and page orientation might also be available in the program that was used to create a
file. Change settings in the program, if possible, because changes that are made in the
program override changes that are made in the printer driver.
Obtaining the latest printing software
To check for and install upgrades to the printing software, download drivers from the Internet
or HP’s file transfer protocol (FTP) servers.
To download drivers
1. Go to www.hp.com. Click the support & drivers block.
2.
Type color laserjet 2550 as the product name. The Web page for the drivers
might be in English, but you can download the drivers themselves in several languages.
If Internet access is not available, see the flyer that came in the printer box.) See the
Readme file for additional release information.
Other print system software
See the Readme file that is provided on the HP color LaserJet 2550 CD-ROM for additional,
included software and for supported languages.
10Chapter 1 Product informationENWW
Software for Windows
When you install the software for Windows, you can directly connect the printer to a
computer by using a USB or parallel cable or, if your printer is network-enabled, you can
connect the printer to the network by using the HP Jetdirect print server. See the HP ColorLaserJet 2550 Series Printer Getting Started Guide for installation instructions, and see the
Readme file for the latest software information.
The following software is available to all users of the printer, whether you connected the
printer directly to a computer by using a parallel cable or USB cable, or whether you
connected the printer to the network by using an HP Jetdirect print server.
Printer drivers
Select a printer driver based on the way the printer is being used.
●Use the PCL 6 printer driver to take full advantage of the printer features. Unless
complete backward compatibility with previous PCL drivers or older printers is
necessary, the PCL 6 driver is recommended.
●Use the PS printer driver for compatibility with PS needs. Certain printer features are not
available in this printer driver.
The printer automatically switches between PS 3 emulation and PCL printer languages
depending on the driver you have selected.
Using Help
The printer driver has Help dialog boxes that can be activated from the Help button in the
printer driver, the F1 key on the computer keyboard, or the question mark symbol (?) in the
upper-right corner of the printer driver. These Help dialog boxes give detailed information
about the specific printer driver. Help for the printer driver is separate from the Help for your
program.
HP LaserJet Toolbox
You must perform a complete software installation to use the HP LaserJet Toolbox.
The HP LaserJet Toolbox provides links to printer status information and help information,
such as the HP Color LaserJet 2550 Series Printer User Guide; and tools for diagnosing and
solving problems. You can also view explanations and animations of light messages on the
control panel. See
HP LaserJet Toolbox for more information.
Software for network installations only
This software is available only when the printer is connected to a network.
HP Web Jetadmin
HP Web Jetadmin is intended for printer management in commercial and enterprise
networks. While the HP LaserJet Toolbox is used to manage a single printer, HP Web
Jetadmin is used to manage groups of printers and other devices. Download this software
from the HP Web site at http://www.hp.com/go/webjetadmin. The HP Web Jetadmin Web
site provides HP Web Jetadmin software in many languages.
ENWWSoftware components11
HP Web Jetadmin is available only if the printer is connected to an Internet protocol- (IP-)
based network. This browser-based software can be installed on one of the following
supported platforms:
●Microsoft Windows 2000 or XP
●Red Hat Linux
●SuSE Linux
Starting HP Web Jetadmin
After you install the HP Web Jetadmin software, you can start it in a supported Web browser
on any computer by typing one of the following Web addresses:
http://server.domain:port/
●
where "server.domain" is the server hostname and "port" is the port number that you
selected during installation. (The default port is 8000.) This information is available in the
url.txt file, which is stored in the folder where HP Web Jetadmin is installed.
http://ipaddress:port/
●
where "ipaddress" is the IP address of the computer on which HP Web Jetadmin is
installed.
For settings that appear in both the printer driver and HP Web Jetadmin, changes that are
made in the printer driver override changes that are made in HP Web Jetadmin.
Software for Macintosh
For Mac 9.1, the Apple LaserWriter 8 driver must be installed to use the PPD file. Use the
Apple LaserWriter 8 driver that came with your Macintosh. For Mac OS X, use Print Center
to print.
The printer includes the following software for Macintosh computers.
PPDs (Mac OS 9.1 and Mac OS X classic)
PPDs, in combination with the LaserWriter driver, provide access to the printer features and
allow the computer to communicate with the printer. An installation program for the PPDs is
provided on the HP color LaserJet 2550 CD-ROM.
PDEs (Mac OS X)
PDEs are code plug-ins that provide access to printer features, such as information about
the number of copies, two-sided printing, and quality settings. An installation program for the
PDEs and other software is provided on the HP color LaserJet 2550 CD-ROM.
HP LaserJet Toolbox
The HP LaserJet Toolbox is supported for Mac OS 10.2 and later. You must perform a
complete software installation to use the HP LaserJet Toolbox.The HP LaserJet Toolbox
provides links to printer status information and help information, such as the HP ColorLaserJet 2550 Series Printer User Guide; and tools for diagnosing and solving problems.
You can also view explanations and animations of light messages on the control panel. See
HP LaserJet Toolbox for more information.
12Chapter 1 Product informationENWW
Uninstalling the printing software
Uninstall software by using the following directions for your operating system.
Uninstalling software for Windows
The printer comes with an uninstall utility that you can use to select and remove any or all of
the Windows HP printing system components from your computer.
To uninstall software for Windows 98 and later
Note
To uninstall the software from Windows 2000 or XP, you must log on with administrator
privileges.
1. Close all of the open programs.
For Windows 98 and Me
a. Press Ctrl+Alt+Delete. The Close Program dialog box opens.
b. Select a program except Explorer or Systray, and then click End Task.
c. Repeat step b until all of the programs except Explorer and Systray are closed.
For Windows 2000 and XP
a. Press Ctrl+Alt+Delete. The Windows Security dialog box opens.
b. Click Task Manager and then click the Applications tab.
c. Select a program, and then click End Task.
d. Repeat step c until all of the programs are closed.
2. On the Start menu, point to Programs, point to Hewlett-Packard, point to HP color
LaserJet 2550 series, and then click Add or Remove.
3. On the Setup screen, click Next.
4. To remove specific software components, click Modify the existing installation. To
remove all the printer software, click Remove All.
Note
Clicking Remove All requires you to have the software CD to complete the uninstallation.
5. Click the drop-down icon next to each feature that you want to remove. From the drop-
down list, click This feature will not be available.
6. Click Next, and follow the directions on the screen. If the message "The following file is
a shared file but is not used by any other programs. Would you like to delete it?"
appears, click Yes to All. The system finishes removing files.
7. If prompted to restart the computer, click OK.
Uninstalling software for Windows by using Add or Remove Programs
An alternate method for uninstalling the printer software is to use the Add or Remove
Programs method. This method does not require you to have the software CD.
1. Click Start, point to Settings, and then click Control Panel.
2. Click Add or Remove Programs.
ENWWSoftware components13
3. Scroll through the list of software programs and then click HP color LaserJet 2550
series printer.
4. Click Remove.
Uninstalling software for Macintosh
To remove the printing software from your Macintosh, drag the HP LaserJet folder and PPDs
to the Trash. If you are using Mac OS X, you must also drag the PDEs to the Trash.
For Mac OS 9.1: The PPDs are located in Macintosh HD\System Folder\Extensions\Printer Descriptions.
For Mac OS X: The PPDs are located in Macintosh HD\Library\Printers\PPDs
\Contents\Resources\<lang>.lproj. The PDEs are located in Macintosh HD
\Library\Printers\PPD Plugins\HP*.
The phrase <lang> represents the language of the printer software that you selected.
14Chapter 1 Product informationENWW
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