Lexmark 4098-001

First Edition (March1999)

The followingparagraph 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

MERCHANTABILITYOR FITNESS FOR A PARTICULAR PURPOSE. Some states do

notallow disclaimer of express or implied warranties in certain transactions; therefore, this

statement may not apply to you.

Thispublication could include technical inaccuracies or typographical errors. Changes are

periodically made to the information herein; these changes will be incorporated in later

editions. Improvementsor changes in the products or the programs described may be

made at any time.

A form forreader’s comments is provided at the back of this publication. If the form has

Contents

Main Page iii Table of Contents iv Preface Safety Information Consignes de Scurit Norme di sicurezza Sicherheitshinweise viii Pautas de Seguridad Informaes de Segurana Informaci de Seguretat Page 1. General Information Operator Panel 1-2 Maintenance Approach Abbreviations 2. Diagnostic Information Start Indicator Light Table 2-2 Error Indicator Table Diagnostic Information 2-3 2-4 Power-On Self Test(POST) Sequence Diagnostic Information 2-5 POST Symptom Table 2-6 Symptom Tables Diagnostic Information 2-7 Paper Feed Problems Print Quality Problems Power Prob lems 2-8 Service Checks Carrier Transport Service Check Diagnostic Information 2-9 2-10 Maintenance Station Service Check Page 2-12 Paper Path Service Check Power Service Check 2-14 Print Quality Service Check Diagnostic Information 2-15 Page 3. Diagnostic Aids Auto Compensator Assembly Operation Print Test Page End of Forms (EOF) Test Encoder Sensor Test Clear NVRAM Print NVRAM Contents Print Clean Page 4. Repair Information Handling ESD-Sensitive Parts Page Auto Compensator Assembly Removal Buttons / Lenses Removal Carrier Frame Assembly / Base Removal 4-4 Carrier Transport Motor Removal Encoder Sensor / Temperature Sensor Removal Encoder Strip Removal Front Cover Removal Gear Plate Assembly Removal Gutter Pad / Maintenance Station Removal Maintenance Wipers and Caps Removal 4-6 Mid Frame / Large Feed Roller / Exit Roller Removal Operator Panel Removal Paper Feed Motor Removal Power / Parallel / USB Board Removal Printhead Carrier Assembly / Shaft Removal Page Page 4-10 System Board Removal 5. Connector Locations 5-2 Connector Locations (cont.) 6. Preventive Maintenance Lubrication Specifications Page 7. Parts Catalog How to Use This Parts Catalog Page Parts Catalog 7-3 Assembly 1: Covers Page Page Page Parts Catalog 7-7 Assembly 3: Paper Feed Page Parts Catalog 7-9 Assembly 3 (cont.): Paper Feed Page Parts Catalog 7-11 Assembly 4: Electronics Page Parts Catalog 7-13 Assembly 5: Carrier Page Assembly 6: Carrier Transport Page Assembly 7: Maintenance Station Page Index A C D E S T Part Numbers Reader Comment Form |||||||||||||||||||||||||||||||||||||||||||||||||||| BUSINESS REPLY MAIL