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Lexmark C746n User Manual

Lexmark C746n
490 pages
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Lexmark
â„¢
C746n, C746dn, C746dtn,
C748e, C748de, C748dte
5026-3xx, 5xx
• 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.
Revised: April 19, 2012

Table of Contents

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Lexmark C746n Specifications

General IconGeneral
Print Resolution1200 x 1200 dpi
Connectivity TechnologyWired
ConnectivityEthernet, USB
Operating System CompatibilityApple MacOS X, Linux, Microsoft Windows
Max RAM Supported2 GB
First Print Out Time Color9 seconds
Media TypeCard Stock, Envelopes, Labels, Plain Paper, Transparencies
Media SizesLetter, Legal, Executive, A4, A5, A6, B5, Envelopes
Maximum Paper SizeLegal (216 x 356 mm)

Summary

Notices and safety information

Laser notice

Provides essential information about the laser product compliance and safety standards.

Preface

Conventions

Explains the meaning of notes, warnings, and caution statements used throughout the manual.

1. General information

Models

Lists the printer models covered by this service manual with their corresponding machine types.

Printer specifications

Details the physical dimensions, weight, and other specifications for the printer models.

Media specifications

Provides guidelines for selecting and using various types of paper, envelopes, and transparencies.

Paper guidelines

Explains paper characteristics that affect print quality and reliability, including weight and curl.

2. Diagnostic information

Start

Outlines the initial steps and resources for diagnosing printer failures.

Symptom tables

Provides tables that correlate printer symptoms with appropriate troubleshooting actions.

Error codes and messages

Lists and explains printer error codes, their descriptions, and recommended actions.

Service checks

Provides step-by-step procedures for diagnosing and resolving specific printer errors.

3. Diagnostic aids

Accessing test and diagnostic procedure menus

Explains how to enter the printer's diagnostic modes for testing and troubleshooting.

Diagnostics menu

Provides an overview of the diagnostics menu structure and available tests.

Hardware Tests

Lists and describes tests for verifying the functionality of printer hardware components.

4. Repair information

Safety information

Outlines essential safety precautions to be observed during printer maintenance and repair.

Data Security Notice

Advises on handling printer memory and protecting customer confidential information.

Handling ESD-sensitive parts

Provides critical instructions for preventing damage to electronic parts from electrostatic discharge.

Printhead removal, installation, and adjustment

Details the procedures for removing, installing, and aligning the printhead assembly.

6. Preventive maintenance

Safety inspection guide

Guides the user in identifying and assessing unsafe conditions within the printer.

Maintaining the printer

Describes periodic tasks required to maintain optimal print quality and printer performance.

Cleaning the printhead lenses

Provides instructions for cleaning printhead lenses to resolve print quality issues.

7. Parts catalog

How to use this parts catalog

Explains the indexing, part numbering, and units system used in the parts catalog.

Assembly 1: Covers (C746)

Provides an exploded view and parts list for the covers specific to the C746 model.

Assembly 3: Front

Lists and illustrates the front-facing parts and assemblies of the printer.

5. Connector locations

Locations

Identifies the physical locations of various connectors within the printer.

System board diagram

Illustrates the layout and labeling of connectors on the printer's system board.

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