Samsung ProXpress M453x series - Laser Scanning Unit (LSU); LSU Overview

2.ProductSpecicationsandDescription
2.7.LaserScanningUnit(LSU)
2.7.1.LaserScanningUnitOverview
TheLaserScanningUnit(LSU)consistsofonepolygonmotorandoneLD(LaserDiode),andformsalatentimageonthe
surfaceofOPCdrum.Forthisprocess,thereisaC-DOElens,F-ThetaLens,reectivemirror(thatchangeslaserbeam
path),thecoverglassforprotectingtheLSUfromcontamination.Also,LDPBAislocatedtothefrontforinterface.
ThePDsensorlocatedinLDPBAdetectsthescanningstartlineandgeneratesthehorizontalsyncsignal(Hsync).
ThepicturebelowshowsthemaincomponentsforLSU.
NOTE
TheLSUistheopticalprecisiondevice.Pleasehandleitcarefullyanddonotremovethecover.
1LDPBA
2P/MirrorMotor
3F-Lens
4ReectMirror
5Coverglass
6C-DOELens
•Information
-PartCode:JC97-03877A[LSU]
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