Lexmark 500n manual Maintenance approach, Tools required for service

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5023-110

1. General information

This Lexmark™ C500 color laser printer is the ideal printer for presentations, business graphics, line art, and text. It uses laser diode electrophotographic technology to deliver remarkable quality print images and text. The printer can be used as a shared network or desktop printer.

Maintenance approach

The diagnostic information in this manual leads you to the correct field replaceable unit (FRU) or part. Use the error code charts, symptom index, and service checks to determine the symptom and repair the failure. See “Diagnostic information” on page 2-1, for location of each section. You may find that the removals in the Repair information chapter will help you identify parts. After you complete the repair, perform tests as needed to verify the repair.

Tools required for service

The removal and adjustment procedures described in this manual require the following tools and equipment:

•Analog volt ohmmeter (a digital volt ohmmeter may also be used)

•Flat-blade screwdrivers

•Needle nose pliers

•#1 Phillips screwdriver

•#2 Phillips screwdriver

•Slotted screwdriver #1

•Slotted clock screwdriver #1

•Tweezers, C-ring pliers

When you make voltage readings, always use frame ground unless another ground is specified.

General information 1-1

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Contents Lexmark C500n 5023-110 United States Government Rights 12G9663Table of contents Diagnostic information Diagnostic aids Locations and connectors Vii 5023-110 Laser advisory label Laser noticesClass 1 Laser statement label Laser Laser noticeAvvertenze sui prodotti laser Avis relatif à l’utilisation de laserAvisos sobre el láser Lasermeddelelse LaserinformatieLaser-notis Huomautus laserlaitteestaJapanese laser notice Laser-meldingAvís sobre el Làser Chinese laser notice Korean laser notice 5023-110 Norme di sicurezza Safety informationConsignes de sécurité Informações de Segurança SicherheitshinweisePautas de Seguridad Informació de Seguretat Conventions PrefaceTools required for service Maintenance approachSerial number Acronyms Physical specifications and weight SpecificationsResolution Technical specificationsTime to first print Packaging and shipping dimensionsOperating clearances Print speed and performancePrinter memory Paper and media specificationsDuty cycle Media input types and weights Media guidelines Media sizesOutput capacity by media and source Labels PaperEnvelopes TransparenciesConnectivity Standard Interfaces Internal Print ServersEnvironment Power and electrical specificationsPrinter identification Printer theory of operation Printer paper path Mechanical and electrical structures Printer systems descriptionBasic principles of color printing Printer component systems Basic process of color printing Print system and transfer system Structure of OPC belt photo developer cartridge Basic structure of the print system CBV DBV Charging process Details of the print systemExposing process CBV Developing processTransfer belt Aluminum drum tube Film transfer belt First transfer drum processBelt discharge erase lamp process Belt cleaning process5023-110 Second transfer paper process Details of the transfer systemTransfer belt cleaning process Description Details of the optical systemPart Function Details of the paper transportation systemFusing unit Fusing process Control of print process Control system structureElectrical system and function Print sequence diagram Laser drive control circuit 5023-110