Samsung CLX-8640ND - 2.7. Laser Scanning Unit (LSU)

2.ProductspecicationsandDescription
2.7.Laserscanningunit(LSU)
2.7.1.LSUoverview
LSUconsistsof1polygonmotorand4laserdiodes(LD)unitsandformsalatentimageonthesurfaceof4OPCdrums.For
thisprocess,LSUhasacollimatorlens,cylindricallens,2F-ThetaLens,2reectivemirrorsonopticalpathforeachcolor.
ThisLSUadoptedthecrossscantypescanning.KColorandCColorscanthelaserbeamfromthereartothefront,MColor
andYColorscanthelaserbeamfromthefronttotherear.
1PBA-LSULD
2MotorPolygon
3Lens-FthetaA
4Lens-FthetaB
5PBA-LSUPD
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