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HP Color LaserJet 4550/4500 series service guide

C4094A Service Guide View Service Guide

Table of Contents

Contents
Ordering other manuals
Supported products
Troubleshooting control panel messages
Overview
Pre-troubleshooting checklist
Control panel messages
Alphabetical messages
Numerical messages
Troubleshooting paper path problems
Paper jams
Paper jam locations
General paper path checklist
Print media checklist
Service tools
Overview
Cold Reset
Service mode
To access service mode
To perform a cold reset
Service menu items
Registration page
Diagnostics mode
Accessing diagnostics
Formatter diagnostics
Engine diagnostics
Engine test
NVRAM initialization
Power supply
Overview
AC/DC power supply
Overcurrent/overvoltage protection
High-voltage power supply
Protection systems
Input/Output (I/O)
Overview
Enhanced I/O (EIO) configuration
HP JetDirect print servers
CPU
Fast InfraRed Receiver (optional)
LocalTalk I/O
System requirements
Bidirectional parallel interface
IEEE-1284 compliant parallel cables
Maximum I/O cable lengths
Configuring the computer interface
Interpreting the printer configuration page
Media specifications
Overview
Supported media weights and sizes
Media requirements
Selecting print media
Non-supported media
Printing on special media
Transparencies
Colored paper
Glossy paper
Heavy paper
Envelopes
Labels
Recycled paper
General tips
Paper curl
Toner cartridge information
Overview
Approximate replacement intervals for consumable items
Potential toner cartridge issues
Banding
Character voids
Toner cracking
Transfer of toner image (post-image transfer)
Gray background on envelopes
HP Planet Partners
Toner cartridge refill statement
Printer options and consumables
Overview
Identifying consumables
Printer options and replaceable parts
Printer parts
Overview
Common fasteners
Parts lists and illustrations
Determining the printer version
Parts for the HP LaserJet 4500 series
Alphabetical parts list
Image quality
Overview
Image formation troubleshooting
Print density test and color checks
Understanding color variations
Common causes of color variation
Customizing color output through printer drivers
Adjusting color balance
Image Defect Table
Image defect details
Overhead transparency defects
Repetitive defects troubleshooting
Imaging drum defects
Wiring diagrams
Overview
Wiring Diagrams
Services and support resources
Overview
How to get training
Lecture/lab training (U.S. only)
Self-paced training
HP end-user support options
Support resources - North America
Electronic information services
HP Customer Care Reseller Sales and Service Support Center
Local support assistance
Printer drivers by mail
Hardware repair services
Telephone assistance - in warranty
Telephone assistance - post-warranty
Ordering consumables
Exchange and recycling program
Ordering field replaceable units
Ordering documentation and software
Support resources - Asia Pacific and Europe
HP Customer Care Centers in Asia Pacific
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