HP Color LaserJet 2550 Series Printer Service Manual (317 P.)

Field service reference for 2550L/Ln/n models with laser/scanner diagnostics, carousel alignment, and imaging drum replacement procedures. Abe008

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Hewlett Packard Models Covered & Key Technical Specifications

Models: HP Color LaserJet 2550L, 2550Ln, 2550n
Build Years: 2004
Technical Data:

  • Print Speed: Up to 20 ppm (black), 19 ppm (A4), 4 ppm (color)
  • Print Technology: Laser with ImageREt 2400 (2400 dpi color quality)
  • Standard Memory: 64 MB (expandable to 192 MB)
  • Connectivity: Parallel, USB, optional HP Jetdirect external print server (L model), internal print server (Ln/n models)
  • Operating Temperature: 15° to 32.5°C (59° to 90.5°F)
Technical Specifications
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Document Number / Seller:
23284 / Sarah Smith
File Size:
10.39 MB
File Type:
PDF
Language:
English
Pages:
312
Printable:
Yes
Category:
Printer
Last updated / verified
Dec 15, 2026

Hewlett Packard Manual Features & Content Preview

Inside the HP Color LaserJet 2550 Series Service Manual

  • Covers 2004 HP Color LaserJet 2550L, 2550Ln, and 2550n printer configurations featuring varying tray capacities and network connectivity
  • Official OEM publication Abe008, 2004 revision
  • Contains 15 detailed reference tables including physical, electrical, and environmental specifications alongside extensive figure lists for internal component identification
  • The PDF includes 312 pages of technical documentation for maintenance and theory of operation
  • OCR text layer lets you jump to a torque spec by keyword
  • Laid out for standard letter and A4 printing
  • This 2004 documentation serves as the primary technical reference for the 2550 series, detailing the carousel assembly, engine control logic, and sensor-array configurations used across the model lineup.

Technical Overview and Component Data

This 2004 HP Color LaserJet 2550 service manual provides technical insight into the color laser printing engine, including the basic sequence of operation and image-formation stages. The document details the laser-scanner system, including signal processing paths, alongside the pickup and feed system mechanics. Electrical reference values for 110V and 220V models are documented, showing typical power consumption for color printing at 224 W and standby levels at 15 W.

Specific component data is categorized by assembly, including the rotary-drive assembly, high-voltage transformer PCA, and fuser module. The service-mode function section details parameters for cold resets and NVRAM initialization. Imaging-drum life for the 2004 HP Color LaserJet 2550 series is documented at 20,000 pages for black-only printing. The 2004 HP Color LaserJet 2550 series fuser assembly requires specific part identification found in the internal components table. Transfer-belt home-position detection PCA specifications are outlined in the printed circuit assembly data list. Learn more about how factory workshop documentation is structured for these units.

An official 312-page Hewlett-Packard OEM service manual covering the 2004 HP Color LaserJet 2550 printer series, documenting theory of operation, maintenance, and technical specifications for the entire model range.

Manual FAQ, Purchase & Download Details

Does this service manual include specification tables for environmental, electrical, and physical printer requirements? keyboard_arrow_down

Yes, Chapter 1 contains dedicated specification tables that list environmental, electrical, and physical data for the HP Color LaserJet 2550 series.

What system coverage and chapter organization can be expected in this document? keyboard_arrow_down

Manual is organized into seven comprehensive chapters covering product information, installation, maintenance, theory of operation, removal and replacement procedures, troubleshooting, and parts information. Each chapter provides technical details relevant to the operation and maintenance of the printer series.

Which section of the manual should be referenced for connector location maps and main wiring diagrams? keyboard_arrow_down

Chapter 6 includes dedicated sections that list connector locations, DC controller connections, and main wiring diagrams for the printer.

Can this document be used to preview exploded views or component breakdown illustrations for the printer? keyboard_arrow_down

Yes, the manual contains numerous diagrams and exploded views, including parts illustrations for the frame assemblies, rotary drives, and internal components. These visual aids are organized in the parts and diagrams chapter to assist in identifying components.

Is there information regarding tightening specifications, tolerance categories, or life expectancies for user-replaceable parts? keyboard_arrow_down

Document includes tables listing the life expectancies of various supplies and user-replaceable parts. Additionally, the maintenance chapter contains specific sections related to managing supplies and checking their status. Specification tables within the document provide technical reference data for the supported printer configurations.

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