Lexmark X-4500 4036-304 Scanner Service Manual.pdf

X4500 Scanner

4036-304

• Table of Contents

• Problem Solving

• 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.

4036-304

Edition: March 2002

The following paragraph does not apply to any country where such provisions are inconsistent with local law :

LEXMARK INTERNATIONAL, INC. PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND,

EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of express or

implied warranties in certain transactions; therefore, this statement may not apply to you.

This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the

information herein; these changes will be incorporated in later editions. Improvements or changes in the products or the

programs described may be made at any time.

Comments may be addressed to Lexmark International, Inc., Department D22A/032-2, 740 West New Circle Road,

Lexington, Kentucky 40550, U.S.A or e-mail at ServiceInfoAndTraining@Lexmark.com. Lexmark may use or distribute any

of the information you supply in any way it believes appropriate without incurring any obligation to you. You can purchase

additional copies of publications related to this product by calling 1-800-553-9727. In other countries, contact your point of

purchase.

Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States

and/or other countries.

Other trademarks are the property of their respective owners.

UNITED STATES GOVERNMENT RESTRICTED RIGHTS

This software and documentation are provided with RESTRICTED RIGHTS. Use, duplication or disclosure by the

Government is subject to restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer

Software clause at DFARS 252.227-7013 and in applicable FAR provisions: Lexmark International, Inc., Lexington, KY

40550. U.S.A.

P/N 12G9084

4036-304

Table of Contents

Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Service Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Product Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Ease of Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Digital Copier and Full-function Fax Machine . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Network Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Duplex Scanning through the Auto Document Feeder (ADF) . . . . . . . . . . . . . . 1-2

Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Mechanical Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Scanner Mechanism Overview and Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

External View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

Internal Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Problem Solving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

MFD Controller Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Scanner Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Cover and Glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Touch Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

ADF Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Maintenance Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Parts Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

ADF Snap-in Pad Module Removal and Mounting . . . . . . . . . . . . . . . . . . . . . . 3-4

Document Cover Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

ADF Cover Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

ADF Optical CCD Unit Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

ADF Unit (Upper and Lower Unit) Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

User Interface Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

Upper Housing Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12

Flatbed CCD Optical Unit Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14

Carriage Motor Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

Carriage Belt Pulley Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

MFD Controller Cage Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

iii

4036-304

Hard Disk Drive, MFD Controller Card, 1394 Communications Card and Power

Distribution Board Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19

Main Control Board Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21

Connector Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Main Scanner Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

MFD Controller Cage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Low Voltage Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Parts Catalog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I-1

4036-304

Safety Information

• This product is designed, tested and approved to meet strict global safety standards

with the use of specific Lexmark components. The safety features of some parts may

not always be obvious. Lexmark is not responsible for the use of other replacement

parts.

• The maintenance information for this product has been prepared for use by a

professional service person and is not intended to be used by others.

• There may be an increased risk of electric shock and personal injury during

disassembly and servicing of this product. Professional service personnel should

understand this and take necessary precautions.

Consignes de Sécurité

• Ce produit a été conçu, testé et approuvé pour respecter les normes strictes de

sécurité globale lors de l'utilisation de composants Lexmark spécifiques. Les

caractéristiques de sécurité de certains éléments ne sont pas toujours évidentes.

Lexmark ne peut être tenu responsable de l'utilisation d'autres pièces de rechange.

• Les consignes d'entretien et de réparation de ce produit s'adressent uniquement à

un personnel de maintenance qualifié.

• Le démontage et l'entretien de ce produit pouvant présenter certains risques

électriques, le personnel d'entretien qualifié devra prendre toutes les précautions

nécessaires.

Norme di sicurezza

• Il prodotto è stato progettato, testato e approvato in conformità a severi standard di

sicurezza e per l’utilizzo con componenti Lexmark specifici. Le caratteristiche di

sicurezza di alcune parti non sempre sono di immediata comprensione. Lexmark

non è responsabile per l’utilizzo di parti di ricambio di altri produttori.

• Le informazioni riguardanti la manutenzione di questo prodotto sono indirizzate

soltanto al personale di assistenza autorizzato.

• Durante lo smontaggio e la manutenzione di questo prodotto, il rischio di subire

scosse elettriche e danni alla persona è più elevato. Il personale di assistenza

autorizzato, deve, quindi, adottare le precauzioni necessarie.

Safety Information v

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