Lexmark X73 4402-001 Manual de usuario

4402-001

Lexmark X73 Scan/Print/Copy

Lexmark and Lexmark with diamond

design are trademarks of Lexmark

International, Inc., registered in the

United States and/or other countries.

•Index

• Safety and Notices

• Trademarks

• Start Diagnostics

• Table of Contents

Edition: June 2001

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 is a trademark 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.

4402-001

U.S.A. P/N: 12G3798

iii

4402-001

Table of Contents

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

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .x

General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Scanner Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Operator Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Maintenance Approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Diagnostic Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Power-On Self Test (POST) Sequence . . . . . . . . . . . . . . . . . . . . 2-1

POST Symptom Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Symptom Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Service Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Carrier Transport Service Check . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

CCD Module Assembly Service Check . . . . . . . . . . . . . . . . . . . . 2-8

Gear Train Assembly Service Check . . . . . . . . . . . . . . . . . . . . . . 2-9

Maintenance Station Service Check . . . . . . . . . . . . . . . . . . . . . 2-10

Paper Feed Service Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

Paper Path Service Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

Power Service Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

Print Quality Service Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

Scan/Copy Quality Service Check . . . . . . . . . . . . . . . . . . . . . . . 2-17

Diagnostic Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Test Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Repair Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Handling ESD-Sensitive Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

iv Service Manual

4402-001

Removal Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

Releasing Plastic Latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

Scanner Lid Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

Rear Cover Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

Operator Panel Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

Top Housing Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . .4-4

Paper Support Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

CCD Module Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . .4-5

Gear Train Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6

Access Cover Sensor Removal. . . . . . . . . . . . . . . . . . . . . . . . . . .4-6

Right Cover Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7

Access Cover Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7

Left Cover Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8

Middle Frame Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-9

Print Engine Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-11

ASF Module Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-12

System Board Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-12

Carrier Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-13

Encoder Strip Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-13

Maintenance Station Removal . . . . . . . . . . . . . . . . . . . . . . . . . .4-14

Belt/Idler Pulley Assembly (Print Engine) Removal. . . . . . . . . . .4-14

Connector Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

Lubrication Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

Parts Catalog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1

Assembly 1: Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-2

Assembly 2: Paper Feed, Frame and Carrier Transport . . . . . . . . . .7-6

Assembly 3: Electronics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-8

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

Safety Information v

4402-001

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 étéconçu, testéet approuvépour respecter les

normes strictes de sécuritéglobale lors de l'utilisation de

composants Lexmark spécifiques. Les caractéristiques de

sécuritéde 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 àun 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.

vi Service Manual

4402-001

Norme di sicurezza

•Il prodotto èstato progettato, testato e approvato in conformitàa

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 èpiù

elevato. Il personale di assistenza autorizzato, deve, quindi,

adottare le precauzioni necessarie.

Sicherheitshinweise

•Dieses Produkt und die zugehörigen Komponenten wurden

entworfen und getestet, um beim Einsatz die weltweit gültigen

Sicherheitsanforderungen zu erfüllen. Die sicherheitsrelevanten

Funktionen der Bauteile und Optionen sind nicht immer

offensichtlich. Sofern Teile eingesetzt werden, die nicht von

Lexmark sind, wird von Lexmark keinerlei Verantwortung oder

Haftung für dieses Produkt übernommen.

•Die Wartungsinformationen für dieses Produkt sind

ausschließlich für die Verwendung durch einen

Wartungsfachmann bestimmt.

•Während des Auseinandernehmens und der Wartung des

Geräts besteht ein zusätzliches Risiko eines elektrischen

Schlags und körperlicher Verletzung. Das zuständige

Fachpersonal sollte entsprechende Vorsichtsmaßnahmen

treffen.

Safety Information vii

4402-001

Pautas de Seguridad

•Este producto se ha diseñado, verificado y aprobado para

cumplir los más estrictos estándares de seguridad global

usando los componentes específicos de Lexmark. Puede que

las características de seguridad de algunas piezas no sean

siempre evidentes. Lexmark no se hace responsable del uso de

otras piezas de recambio.

•La información sobre el mantenimiento de este producto está

dirigida exclusivamente al personal cualificado de

mantenimiento.

•Existe mayor riesgo de descarga eléctrica y de daños

personales durante el desmontaje y la reparación de la

máquina. El personal cualificado debe ser consciente de este

peligro y tomar las precauciones necesarias.

Informações de Segurança

•Este produto foi concebido, testado e aprovado para satisfazer

os padrões globais de segurança na utilização de componentes

específicos da Lexmark. As funções de segurança de alguns

dos componentes podem não ser sempre óbvias. A Lexmark

não éresponsável pela utilização de outros componentes de

substituição.

•As informações de segurança relativas a este produto

destinam-se a profissionais destes serviços e não devem ser

utilizadas por outras pessoas.

•Risco de choques eléctricos e ferimentos graves durante a

desmontagem e manutenção deste produto. Os profissionais

destes serviços devem estar avisados deste facto e tomar os

cuidados necessários.

viii Service Manual

4402-001

Informacióde Seguretat

•Aquest producte estàdissenyat, comprovat i aprovat per tal

d'acomplir les estrictes normes de seguretat globals amb la

utililitzacióde components específics de Lexmark. Les

característiques de seguretat d'algunes peces pot ser que no

sempre siguin òbvies. Lexmark no es responsabilitza de l'us

d'altres peces de recanvi.

•La informaciópel manteniment d’aquest producte està

orientada exclusivament a professionals i no estàdestinada a

ningúque no ho sigui.

•El risc de xoc elèctric i de danys personals pot augmentar

durant el procés de desmuntatge i de servei d’aquest producte.

El personal professional ha d’estar-ne assabentat i prendre les

mesures convenients.

Safety Information ix

4402-001

xService Manual

4402-001

Preface

This manual describes the Lexmark X73 Scan/Print/Copy (4402-

001) and contains maintenance procedures for service personnel

only. It is divided into the following chapters:

1. General Information contains a general description of the

printer and the maintenance approach used to repair it. Special

tools and test equipment are listed in this chapter, as well as

general environmental and safety instructions.

2. Diagnostic Information contains an error indicator table,

symptom tables, and service checks used to isolate failing field

replaceable units (FRUs).

3. Diagnostic Aids contains tests and checks used to locate or

repeat symptoms of scanner/printer/copier problems.

4. Repair Information provides instructions for making printer

adjustments and removing and installing FRUs.

5. Connector Locations uses illustrations to identify the

connector locations and test points on the printer.

6. Preventive Maintenance contains the lubrication specifications

and recommendations to prevent problems.

7. Parts Catalog contains illustrations and part numbers for

individual FRUs.

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