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Lexmark C543dn Service Manual

Lexmark C543dn
270 pages
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Lexmark
â„¢
C540n, C543dn, C544n, C544dn,
C544dtn, C544dw, and C546dtn
5025-2xx, 4xx
• Table of contents
• Start diagnostics
• Safety and notices
• Trademarks
• Index
Lexmark and Lexmark with diamond design are
trademarks of Lexmark International, Inc., registered
in the United States and/or other countries.
Revision: September 17, 2012

Table of Contents

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Lexmark C543dn Specifications

General IconGeneral
Print Resolution1200 x 1200 dpi
Standard Paper Capacity250 sheets
ConnectivityUSB, Ethernet
Duplex PrintingYes
Processor Speed800 MHz
Network ReadyYes
Printer TypeColor Laser
Operating Systems SupportedWindows, Mac, Linux
Paper Capacity250 sheets
Maximum Paper Size8.5 x 14 in

Summary

Notices and Safety Information

Laser Notice

Identifies laser safety compliance and warnings related to the printer's laser system.

Preface

Change History

Details revisions made to the manual over time, including part number and procedure updates.

Conventions

Explains symbols, warnings, and notes used throughout the manual for clarity.

General Information

Models

Lists supported printer models and their basic configurations and features.

Options and Features

Details available options and features for different printer models.

Printer Specifications

Provides technical specifications like memory, connections, and printer details.

Connectivity (Network Support)

Outlines network protocols and supported connectivity options for printers.

Media Handling

Describes paper input/output capacities and media types supported by the printer.

Paper Characteristics

Explains paper properties affecting print quality and jam prevention.

Diagnostic Information

Start

Entry point for troubleshooting printer issues using error codes and symptoms.

Printer Symptom Table

Maps printer symptoms to specific troubleshooting actions and service checks.

Error Codes and Messages

Lists user status, error codes, and customer attendance messages with explanations.

Paper Jam Messages

Details error codes for paper jams, locations, and instructions for clearing them.

Service Error Messages

Lists specific error codes related to printer components and their troubleshooting actions.

Diagnostic Aids

Accessing Service Menus

Instructions on how to enter diagnostic and configuration menus for testing.

Registration

Procedure for adjusting print registration and margin settings for accurate alignment.

Alignment

Steps to align color planes to the black plane for optimal print quality.

Print Tests

Guides on running diagnostic print tests from various input sources.

Hardware Tests

Tests to verify the functionality of hardware components like the panel and memory.

Printer Setup

Procedures for configuring printer settings like defaults, serial number, and engine settings.

Theory of Operation

Print Engine Theory

Explains the electrophotographic printing process and its basic steps.

Repair Information

Handling ESD-Sensitive Parts

Crucial safety guidelines for preventing damage to sensitive electronic components.

Removal Procedures

General notes and procedures for removing printer parts and assemblies.

Front Cover Assembly Removal

Step-by-step guide for removing the printer's front cover assembly.

Controller Board Removal

Detailed instructions for removing and replacing the printer's main controller board.

Fuser Assembly Removal

Procedures for safely removing and replacing the fuser assembly.

Imaging Unit (IU) Removal

Instructions for removing and replacing the imaging unit, a customer-replaceable part.

Low-Voltage Power Supply (LVPS) Assembly Removal

Steps for removing and replacing the low-voltage power supply assembly.

Connector Locations

Locations

Visual diagrams showing the physical layout of connectors on the printer.

Controller Board Connectors

Detailed pinout information for connectors on the controller board.

Preventive Maintenance

Safety Inspection Guide

Guidance for identifying and addressing unsafe conditions in the printer.

Scheduled Maintenance

Information on maintenance kits and recommended service intervals for optimal performance.

Parts Catalog

How to Use This Parts Catalog

Explains the legend and conventions used in the parts catalog for easy reference.

Assembly 1: Covers

Part numbers and diagrams for the printer's cover assemblies and related components.

Assembly 3: Electronics

Part numbers and diagrams for the printer's electronic components like boards and sensors.

Assembly 4: Cables

Part numbers and diagrams for various internal cables used in the printer.

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