HP Color LaserJet 4550, N, DN Printers
Service Manual

$9.99
HP Color LaserJet 4550, N, DN Printers <br> Service Manual
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HP Color LaserJet 4550, N, DN Printers Service Manual

This manual contains the necessary information to service the Color LaserJet 4550, N, DN Printers

Contents:

1 Printer description
Printer features
Identification
Site requirements
Printer specifications
Printer assemblies
Media requirements
Environmental Product Stewardship Program
Regulatory statements
Safety information

2 Service approach
Service approach
Parts and supplies
Warranty statement

3 Installation and configuration
Unpack the printer
Installation
Connecting to a network
Enhanced I/O (EIO) configuration
Printer drivers
Network configuration
Configuration tips
Setting network security on the printer

4 Printer maintenance
Cleaning the printer and accessories
Approximate replacement intervals for consumable items
Locating consumables
Replacing consumable items
DIMM configuration

5 Theory of operation
Introduction
Basic operation
Image formation
Toner density
Mechanical system
Paper path
DC controller subsystem
Motors and fans
Formatter system
Power supplies

6 Removal and replacement
Introduction
Consumable assemblies
Covers, drawers, and top and front assemblies
Right side assemblies
Left side assemblies
Rear assemblies
Internal assemblies

7 Troubleshooting
Introduction
Troubleshooting process
Printer error troubleshooting
Paper path troubleshooting
Image formation troubleshooting
HP ColorSmart II
Matching colors
Four-color printing (CMYK)
Image defects
Overhead transparency defects
Repetitive defects troubleshooting
Interface troubleshooting
Control panel troubleshooting
Troubleshooting tools
Service mode
Diagnostics mode
Diagrams

8 Parts and diagrams
Introduction
Ordering parts
Illustrations and parts lists
Alphabetical parts list
Numerical parts list .

FORMAT: PDF
ZIP archive: 56 618 kB

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We are in business since 2002 and do our best to give our customers perfect service!

  R. Zeiss 2021-04-24 03:18:01  
  It worked on my MX892 !!! Thank you. It reset the Ink Absorber Counter, and my printer was alive again.
  NORMA ZUBIA 2023-01-02 05:33:28  
  Thank you very,very much for resetting Waste-Counter to Zero (checked ok) and Key-Selling. I´m so glad, that my Printer is not to give up. It must not to go to Müll-Entsorgung! I´m so glad!
  Gaudencio Valdez 2019-10-01 22:00:35  
  I bougth this latest version of service tools, v5105, I try it at canon mx 495, not working, the printer was in service mode, can you give some tips, maybe not recognized the usb, windows 7 my os, I need some help. Thanks.

REPLY: Please replace USB cable by new one
  Laurent Haverlandt 2025-11-08 00:15:55  
  Malgré une méconnaissance en informatique, j'ai facilement débloqué mon problème de compteur ! Merci beaucoup
  Edward Parker 2025-05-26 16:15:56  
  Thank you for your service! Took awhile to figure it all out but I think I got it. Thank you!
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