Samsung ProXpress C3060 Series - LSU (Laser Scanner Unit)

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2.Productspecicationanddescription

2.2.4.5.LSU(LaserScannerUnit)

TheLSU(LaserBeamPrinter)isasealedfactoryassemblyinwhichthevideodatareceivedtothecontrollerisusedtoform

anelectrostaticlatentimageontheOPCdrum.Itisaccomplishedbyuseofapolygonmirrorandlaserbeam.TheOPC

drumisturnedwiththepaperfeedingspeed.TheHSYNCsignaliscreatedwhenthelaserbeamfromLSUreachestheend

ofthepolygonmirror,andthesignalissenttothecontroller.ThecontrollerdetectstheHSYNCsignaltoadjustthevertical

lineoftheimageonpaper.Inotherwords,aftertheHSYNCsignalisdetected,theimagedataissenttotheLSUtoadjust

theleftmarginonpaper.Theonesideofthepolygonmirrorisonelineforscanning.

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