HP Color LaserJet 2550 Series Service Manual

HP Color LaserJet 2550 Series Printer features

Color printing
  • Provides laser printing in full color by using the four process colors: cyan, magenta, yellow, and black (CMYK).
Fast print speed
  • 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.
Excellent print quality
  • 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
Ease of use
  • Few supplies to order. Supplies are easy to 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.
Expandability
  • Optional tray 2. (Included with the 2550n 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.
Flexible paper handling
  • 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 letterand 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.
Printer driver features
  • 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
  • Includes 35 built-in PS language fonts
Automatic language-switching
  • The printer automatically determines and switches to the appropriate printer language (such as PS or PCL 6) for the print job.
Interface connections
  • 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.
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
  • 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.

HP Color LaserJet 2550 Series Printer Overview

HP Color LaserJet 2550 Series Printer Hardware components

Before using the printer, familiarize yourself with the parts of the printer.

HP Color LaserJet 2550 Series Printer Hardware components

HP Color LaserJet 2550 Series Printer Hardware components2

  1. Top (face-down) output bin
  2. Power switch
  3. Optional tray 3
  4. Optional tray 2 (included with HP color LaserJet 2550n model)
  5. Tray 1
  6. Top cover
  7. Control panel
  8. Control panel
  9. Interface ports *
  10. Optional tray 2
  11. Optional tray 3
  12. Power connector
  13. Rear (face-up) output door

HP Color LaserJet 2550 Series 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 Related documentation and software. The printer supports the following operating systems:

  • Microsoft® Windows® 98, Windows 2000, Windows Millennium Edition (Me), and Windows XP
  • Windows NT® 4.0 (driver only, other printer software is not available)
  • Macintosh OS 9.1, 9.2, 9.3, and OS X v.10.1 and later
  • UNIX®, Linux, and OS/2 (limited functionality)

The following tables list the software that is available for your operating system.

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HP Color LaserJet 2550 Series Service Manual