Lexmark 4076-0XX User manual

4076-0XX

ExecJet™ II and ExecJet IIc

Lexmark and Lexmark with diamond

design are trademarks of Lexmark

International, Inc., registered in the

United States and/or other countries.

• Table of Contents

•Index

• Safety and Notices

• Trademarks

• Start Diagnostics

• Manuals Menu

Second Edition (May, 1996)

The following paragraph does not apply to the United Kingdom or 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 of the publication. Improvements or changes in the products or the programs

described in this publication may be made at any time. Publications are not stocked at the

address given below; requests for publications should be made to your point of purchase.

Comments may be addressed to Lexmark International, Inc., Department D22A/035-3,

740 New Circle Road, Lexington, Kentucky 40550, U.S.A. Lexmark may use or distribute

any of the information you supply in any way it believes appropriate without incurring any

obligation to you.

ExecJet and Lexmark are trademarks of Lexmark International, Inc., registered in the

United States and/or other countries.

AppleTalk and LocalTalk are trademarks of Apple Computer, Inc. registered in the United

States and 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.

4076-0XX

iii

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Contents 1

NoticesandSafetyInformation ............................vi

ElectronicEmissionNotices........................... vi

SafetyInformation...................................viii

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

PowerConsumption...............................1

Options.........................................2

MaintenanceApproach ............................2

Abbreviations....................................3

UniqueToolsRequiredForService...................3

DiagnosticInformation ...................................4

Start..............................................4

ErrorIndicatorTable...............................5

Power-on-self-test (Post) Sequence ..................7

POSTSymptomTable. ............................8

SymptomTables .................................9

CarrierTransportProblems .....................9

ServiceChecks.....................................11

EnvelopeFeedServiceCheck......................11

FirstPrintLineServiceCheck......................11

MaintenanceStationServiceCheck .................12

Operator Panel Service Check......................13

Paper Feed Service Check ........................14

Paper Path Service Check.........................17

ParallelPortServiceCheck........................18

PowerServiceCheck.............................19

PrintQualityServiceCheck........................20

SimmServiceCheck.............................22

TransportServiceCheck..........................22

DiagnosticAids........................................24

DemoTest.....................................24

PrintFontsTest.................................24

PurgeTest.....................................25

PrintNvram ....................................25

TestPage......................................26

Paper Sensor Test ...............................26

Encoder Sensor Test . . ...........................27

HexPrint.......................................27

ParallelPortTest................................28

InitializeNvram..................................28

Serial Adapter Test...............................29

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Repair Information . . . ...................................30

HandlingEsd-sensitiveParts....................... 30

Adjustments....................................... 31

Bi-directionalAlignmentAdjustment................. 31

RemovalProcedures................................ 32

ReleasingPlasticLatches......................... 32

Auto Sheet Feed (ASF) Assembly Removal ........... 33

ASF Envelope Buckler And Pick Roller Hub Removal . . . 33

ASF Right And Left Edge Guide Assemblies Removal. . . 34

ASF Paper Load Lever Removal.................... 34

CarrierRemoval ................................ 34

CarrierTransportBeltRemoval..................... 35

CarrierGuideRemoval........................... 35

CarrierTransportMotorRemoval................... 35

CarrierTransportMotorFrameRemoval ............. 36

EncoderStripRemoval........................... 36

End-of-formsFlagRemoval........................ 37

ExitRollerAssemblyRemoval ..................... 37

EpromRemoval................................. 37

FeedArmAssemblyRemoval...................... 37

InsideIdlerGearsRemoval........................ 38

LargeFeedRollerAssemblyRemoval............... 38

LeftSideFrameRemoval......................... 39

Maintenance Drive And Rocker Assemblies Removal . . . 40

MiddleFrameRemoval........................... 40

Operator Panel Removal. ......................... 40

OutsideIdlerGearsRemoval...................... 41

Paper Ejectors Removal . ......................... 41

Paper Feed Motor Removal ....................... 41

Paper Guide Removal. . . ......................... 41

Paper Release Lever Removal ..................... 42

Power Supply Removal. . ......................... 42

PrintHeadCableRemoval........................ 43

RightSideFrameRemoval........................ 44

Rubber Backer Removal . ......................... 45

SmallFeedRollerAssemblyRemoval............... 45

StarRollerRemoval ............................. 45

SystemBoardRemoval........................... 46

TopCoverRemoval.............................. 47

Connector Locations . ...................................48

System Board Connectors......................... 48

Preventive Maintenance .................................50

Lubrication Specifications ......................... 50

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PartsCatalog .........................................51

HowToUseThisPartsCatalog.....................51

Assembly1:Covers ..........................52

Assembly2:Frames..........................54

Assembly3:PaperFeed ......................56

Assembly3:PaperFeed(Cont.) ................58

Assembly4:Electronics .......................60

Assembly4:Electronics(Cont.) .................62

Assembly4Electronics(Cont.)..................64

Assembly5:Carrier ..........................66

Assembly6:CarrierTransport ..................68

Assembly 7: Auto Sheet Feed ..................70

Assembly 8: Maintenance Station ...............72

Assembly9:Options..........................74

Index................................................76

4076-0XX

Notices and Safety Information 2

References in this publication to products, programs, or services

do not imply that the manufacturer intends to make these

available in all countries in which it operates. Any reference to a

product, program, or service is not intended to state or imply that

only that product, program, or service may be used. Any

functionally equivalent product, program, or service that does not

infringe any existing intellectual property rights may be used

instead. Evaluation and verification of operation in conjunction

with other products, programs, or services, except those

expressly designated by the manufacturer, are the user’s

responsibility.

Electronic Emission Notices

Consult the following list for any emission notices that may apply

in your country.

Federal Communications Commission (FCC) Statement

This printer has been tested and found to comply with the limits

for a Class B digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection

against harmful interference in a residential installation. This

equipment generates, uses, and can radiate radio frequency

energy and, if not installed and used in accordance with the

instructions, may cause harmful interference to radio

communications. However, there is no guarantee that

interference will not occur in a particular installation. If this

equipment does cause harmful interference to radio or television

reception, which can be determined by turning the equipment off

and on, the user is encouraged to try to correct the interference

by one or more of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and

receiver.

4076-0XX

vii

•Connect the equipment into an outlet on a circuit different

from that to which the receiver is connected.

•Consult your point of purchase or service representative for

additional suggestions.

The manufacturer is not responsible for any radio or television

interference caused by using other than recommended cables or

by unauthorized changes or modifications to this equipment.

Unauthorized changes or modifications could void the user’s

authority to operate the equipment.

To assure compliance with FCC regulations for a Class B

computing device, use a properly shielded and grounded

Lexmark or IBM parallel interface cable, such as Lexmark part

number 1525612.

Use of a substitute cable not properly shielded and grounded

may result in violation of FCC regulations.

Industry Canada Compliance Statement

This Class B digital apparatus meets all requirements of the

Canadian Interference-Causing Equipment Regulations.

Avis de conformité aux normes d’Industrie Canada

Cet appareil numérique de la classe B respecte toutes les

exigences du Règlement sur le matériel brouilleur du Canada.

The United Kingdom Telecommunications Act 1984

This apparatus is approved under the approval number NS/G/

1234/J/100003 for the indirect connections to the public

telecommunications systems in the United Kingdom.

4076-0XX

viii

Japanese VCCI Notice

European Community (EC) Electromagnetic Compatibility

Directive

This product is in conformity with the protection requirements of

EC Council directive 89/336/EEC on the approximation of the

laws of the Member States relating to electromagnetic

compatibility.

A declaration of conformity with the requirements of the Directive

has been signed by the Director of Manufacturing and Technical

Support, Lexmark International, Ltd., Boigny, France.

This product satisfies the Class B limits of EN 55022.

Safety Information

•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.

•The safety features of some parts may not always be

obvious. Therefore, replacement parts must have the

identical or equivalent characteristics as the original parts.

4076-0XX

Sicherheitshinweise

•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.

•Ersatzteile müssen gleiche oder gleichwertige Merkmale wie

die Originalteile aufweisen, da nicht immer offensichtlich ist,

welche Teile des Geräts Sicherheitsmerkmale aufweisen.

Consignes de Sécurité

•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.

•Les normes de sécurité de certaines pièces n'étant pas

toujours explicites, les pièces de rechange doivent être

identiques ou conformes aux caractéristiques des pièces

d'origine.

Norme di sicurezza

•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.

4076-0XX

•Poiché non tutti i pezzi di ricambio garantiscono la stessa

sicurezza, questi devono avere caratteristiche identiche o

equivalenti a quelle dei pezzi originali.

Pautas de Seguridad

•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.

•Los dispositivos de seguridad de algunas piezas no siempre

pueden reconocerse a simple vista. Por lo tanto, los

recambios deben poseer características idénticas o

equivalentes a las de las piezas originales.

Informações de Segurança

•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.

•Os dispositivos de segurança de algumas peças poderão

não ser sempre suficientemente evidentes. Assim, as peças

sobressalentes devem possuir características idênticas ou

equivalentes às peças originais.

Informació de Seguretat

•La informació pel manteniment d’aquest producte està

orientada exclusivament a professionals i no està destinada

a ningú que no ho sigui.

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