Samsung ProXpress M4030 Series - Laser Scanning Unit (LSU)

2.ProductSpecicationsandDescription
2.7.LaserScanningUnit(LSU)
2.7.1.LaserScanningUnitOverview
TheLaserScanningUnit(LSU)consistsofonepolygonmotorandoneLD(LaserDiode),andformsalatentimageonthe
surfaceofOPCdrum.Forthisprocess,thereareaC-DOElens,F-ThetaLens,reectionmirror(thatchangeslaserbeam
path).Also,LDPBAislocatedtothefrontoftheLSUforinterface.
ThePDsensorlocatedinLDPBAdetectsthescanningstartlineandgeneratesthehorizontalsyncsignal(Hsync).
ThepicturebelowshowsthemaincomponentsforLSU.
NOTE
TheLSUistheopticalprecisiondevice.Pleasehandleitcarefullyanddonotremovethecover.
1LDPBA
2P/MirrorMotor
3F-Lens
4ReectionMirror
5C-DOELens
•Information
-PartCode:JC97-04699A[LSU]
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