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1、激打打印质量故障及解决速查手册（LaserJetprintqualityhandbookandsolvethefault）LaserJetprintqualityhandbookandsolvethefault.Txtisamountainfox,youtoldmewhatall,standingintheplacenearesttoyou,lookyousmiletoothers,eveniftheheartisallthepainjusttoputyoureveryactandeverymoveapanoramicview.Dazzlingwhite,l
2、etmeunderstandwhatispurethehurt.LaserJetprintqualityfailuresandsolutionsHandbook(04)Asforlaserprinters,becauseoftheirsimilarworkingprinciple,manyqualityfaultsarealsocommonformanytypesofmachines.Laserprinterwhenusingacertainnumberofyears,thatis,theoutputofacertainnumberofsamples,the
3、qualityofitsprintingwilldecline,andsomecomponentsinusetothelimit,therewillbedefectsinprintquality.Somearebecausewearenotfamiliarwiththeprincipleandperformanceoflaserprinter,sotheoperationwillnotbeadjustedtothebeststateorisinthewrongstate,aswellastheuseofmaterialsdonotmeettherequire
4、ments,sothattheoutputeffectispoor,thisiswhatwecalled"thefaultisnotfault".Itgenerallydoesnotaffecttheprinter'snormalwork,buttheprintresultsarenotsatisfactory,andsoon.Herearesomeprintqualityproblemsandsolutions.OutputallsheetsofblackpaperPossiblecauseoffailure:(1)ifthelaseriscertainl
5、ygood,thechargingelectrodemaybeshortedtothegrid;(2)scanningdrivecircuitlogicerror;(3)thedischargeofthedrumassemblyisnotgood;(4)thesignallineisnotconnected.Inspectionlocationandinspectionmethod:(1)firstreplacethedrumassembly,toseeifthefaultisgone,andifitshowsthatthetonercartridgecom
6、ponents,thereplacementofit.Theappearanceoftheentirepageisblack,indicatingthatthelaserisdefinitelygood.Therefore,toreplaceanewcartridgetoprint,ifthefaultiseliminated,isenoughtoprovethatcartridgecomponentshaveproblems,thencheckthephotosensitivedrumchargingelectrode,electrodebiasmagne
7、ticrollerandthephotosensitivedrum.Theelectrodeisgoodcontact,suchasapoorcontact,shouldfindandaddtorepair.(2)thencheckwhetherthechargingwireandgridareshortcircuitedoroutofcontact,iftheyshouldbereplaced,repairedorcleaned.Asweknow,mostofthestructuresaredifferentfromeachotherduetodiffer
8、entmodels,buttheworkingpri
