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Lexmark MX421 User Manual

Lexmark MX421
290 pages
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MB2442, MB2546, MX421, MX521,
MX522, XM1242, XM1246 MFPs
User's Guide
September 2023 www.lexmark.com
Machine type:
7017
Models:
476, 478, 496, 636, 676, 678, 679, 686

Table of Contents

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Lexmark MX421 Specifications

General IconGeneral
Print TechnologyLaser
Print SpeedUp to 42 ppm
Duplex PrintingYes
Scan FunctionYes
Copy FunctionYes
Fax FunctionYes
ConnectivityUSB, Ethernet, Wi-Fi
Scanner TypeFlatbed, ADF
Memory512 MB
Copy SpeedUp to 42 cpm
Copy Resolution600 x 600 dpi
Fax Modem Speed33.6 Kbps
Mobile PrintingYes
Operating System CompatibilityWindows, Mac, Linux
Paper Input Capacity350 sheets
Scan Resolution600 x 600 dpi
Processor1.0 GHz
Maximum Paper SizeA4
Print Resolution1200 x 1200 dpi

Summary

Safety Information

Product statements

Lists product safety statements and precautions for usage.

Loading paper and specialty media

Loading trays

Step-by-step guide on how to load paper into printer trays.

Printing

Printing from a mobile device

Instructions for printing from smartphones and tablets using specific apps.

E-mailing

Configuring the e-mail SMTP settings

Steps to set up SMTP for sending scanned documents via email.

Faxing

Setting up the printer to fax

Information on supported fax methods and initial setup.

Scanning

Scanning to a computer

Steps for scanning documents to a computer using utilities or OS features.

Security

Login Methods

Covers managing user access and permissions for printer functions.

Clearing jams

Avoiding jams

Tips and procedures to prevent paper jams.

Troubleshooting

Print quality problems

Guides to diagnose and resolve common print quality issues.

Printing problems

Troubleshooting steps for poor print quality, including blank pages.

The printer is not responding

Troubleshooting steps when the printer becomes unresponsive.

Notices

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