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Lexmark T650/T650N/T652DN/T654DN/T656DNE User Guide

Summary

This detailed service manual is essential documentation for maintaining and repairing Lexmark T650 series multifunction printers (T652, T654, etc.). It provides technicians with comprehensive diagnostic procedures, safety guidelines, and step-by-step instructions for component replacement—including sensors, printheads, side covers, and internal assemblies. Ideal for authorized service personnel and IT professionals requiring precise technical details to troubleshoot performance issues and keep the printing process running smoothly.

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Page 1 Text Content

Edition: September 17, 2009

Lexmark™ T650, T650n, T652dn, T654dn & T656dne Printer

4062-XXX

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.

Page Summary Contents For Lexmark T650/T650N/T652DN/T654DN/T656DNE User Guide

Page 1 Edition: September 17, 2009 Lexmark™ T650, T650n, T652dn, T654dn & T656dne Printer 4062-XXX Table of contents Start diagnostics Safety and notices Trademarks Index Lexmark and Lexmark with diamond...
Page 2 4062-XXX Edition: September 17, 2009 The following paragraph does not apply to any country where such provisions are inconsistent with local law: LEXMARK INTERNATIONAL, INC. PROVIDES THIS PUBLICATION ...
Page 3 4062-XXX Table of contents Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Notices and safety information . . . . . ...
Page 4 4062-XXX Sensor (pass through) lingering jam service check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-146 Sensor (pass through) static jam service check . . . . . . . . . . . ...
Page 5 4062-XXX INPUT TRAY TESTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14 Feed Tests (input tray) . . . . . . . . . . . ....
Page 6 4062-XXX Wiper Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-28 Clear Custom Status . . . . . . . . . . . . ...
Page 7 4062-XXX Display Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-47 Print Log . . . . . . . . . . . . . . . . . . ...
Page 8 4062-XXX Polygon printhead assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-69 Oscillating printhead assembly . . . . . . . . . . ....
Page 9 4062-XXX Wear strips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-91 Media tray assembly . . . . . . . . . . . . . ...
Page 10 4062-XXX Duplex guide assembly, front removal (T652, T654) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-21 Fuser access door assembly removal (T650, T652, T654) . . . . . . ....
Page 11 4062-XXX Option removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-83 5-bin mailbox rear door assembly r...
Page 12 4062-XXX High capacity stacker sensor (deflector gate HP) removal . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-147 Installing / Removing the RFID UHF option . . . . . . . . . . . . . . . ....
Page 13 4062-XXX Lubrication specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 Individual maintenance part expected l...

Manual Details

Brand Lexmark
Pages 13
File Size 720.98 KB
Published May 30, 2026
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Frequently Asked Questions

What physical information is provided regarding the product?

The manual provides model names (Lexmark T650, T650n, etc.), part numbers (P/N 12G98244062-XXX), and revision dates (September 17, 2009).

How can I send comments or questions about the product?

Comments can be addressed to Lexmark International via Department D22X/002-1 in Lexington, Kentucky, or by e-mail at [email protected].

What types of paper does this machine support?

The manual details supported options for various internal components but references a section on 'Supported paper sizes, types, and weights' (Section 1-4).

Is there a safety notice I should review?

Yes, the manual includes sections titled 'Notices and safety information,' along with specific warnings for lasers and lithium batteries.