Samsung MultiXpress K7 Series - PTB (Paper Transfer Belt) Unit; PTB Unit Overview

2.ProductSpecicationsandDescription
2.5.4.PTB(PaperTransferBelt)Unit
2.5.4.1.PTBunitoverview
PaperTransferBeltmovesthepaper.
ThechargedtonerondrumismovedtothepaperbythetransferrollerinPTBunit.TherubberbeltinPTBunitremovesthe
staticofthepaperandseparatesthepaperfromthedrum.So,papercanmoveintothepaperpath.
ThisprocessisdonewithrotationofthePTB.TherotationisdrivenbythefrictionbetweenthedriverollerandPTB.
ToThearrowabovetheCandMdrumsonthediagramshowsthedirectionofITBrotation.Therotationismadeby
thefrictionbetweenthedriverollerandtransferbelt.Forthisprocess,thedriverollerandguiderollerprovidesproper
tensiontoblockslip.
Thereare1actuatorand2photosensors.Anactuatorrecognizesthepaperpathandcontrolsthepaperspeedforstable
imagequality.
1BeltPTB
2TransferRoller
3DriveRoller
4GuideRoller
5PHOTOINTERRUPTOR
6CleaningBlade
7Guide-WasteToner
8Actuator
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