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1、分享复印机维修资料（Sharecopiermaintenancematerials）SharecopiermaintenancematerialsAnalysisofcommontroublesincopyingmachine1faultfaultphenomenon:aRicohFT-4495copiertoner,recentlybecause,replacethetoner,soonnopowderlightsstillbright,suggestingthattonerisnotenough,themainmotoridlingstop,cannot
2、copy.FaultanalysisandTroubleshooting:accordingtothefaultphenomenon,itisestimatedthatthetonercartridgeisnotinstalledinplace,resultinginreloadingtonercartridges,andcheckthetoneramountiscorrect,theboottotryagain,thefailureisstill.Openthefrontcoverandobservethetransmissionofthepowderfe
3、edingmechanism.Itisfoundthattherotatingpowderfeedingrollergearcandrivethedrivingwheelandthestirringgeartorotate,indicatingthatthefaultappearsonthedrivingpartofthestirringgeartothetonerbox.Removethetonercartridge,tonercartridgebetweenfoundgearbrokenandpowderstirringgear,resultingint
4、hetonerpowderstirringrollerdoesnotrotate,thetonercartridgeforpowder,themachinedoesnotwork,nopowdertonercartridgetoretrievetheoriginal,willpourintotheoriginaltonercartridge,inkcartridgereloading,troubleshooting.Summary:whenyouchangethetonercartridge,youmustfirstgentlyshakethenewbox,
5、sothattonerdistributionevenly,andturnthepowderroller,sothatitisflexiblerotation,nodeadcenter,youcaninstall.Otherwise,willcauseastirrollergearbrokenphenomenon,causingunnecessarylosses.TheworkingprocessofthecopierTheworkingprocessofthecopiermainlyconsistsofthefollowingparts:(intheord
6、erofcopying)Chargingparts(highvoltagegenerator,electroderack,motorwire)Bringauniformchargeontothesurfaceofthedrum.Exposureunit(scanningexposurelamp,reflector,lens)Areversalpotentialimageisformedonthesurfaceofthephotosensitivedrumaccordingtotheoriginalimage.(thepreviouschapterhasalr
7、eadyexplained)Developingparts(developingdevice,highvoltagegenerator)Thelatentlatentimageofthedrumsurfaceisconvertedintoatonerimage.(thepreviouschapterhasalreadyexplained)Feedingparts(motors,paperwheels)Themotordrivesthepaperwheeltofeedthecopypaperintothemachineandpreparestheinktran
8、sferonthesurfaceofthedrumt
