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Samsung SL-C2670FW - LSU (Laser Scanner Unit)

Samsung SL-C2670FW
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2.Productspecicationanddescription
2.2.4.5.LSU(LaserScannerUnit)
ItisthecorepartoftheLBP(LaserBeamPrinter)whichswitchesfromthevideodatareceivedtothecontrollertothe
electrostaticlatentimageontheOPCdrumbycontrollinglaserbeam,exposingOPCdrum,andturningprincipleofpolygon
mirror.TheOPCdrumisturnedwiththepaperfeedingspeed.TheHSYNCsignaliscreatedwhenthelaserbeamfromLSU
reachestheendofthepolygonmirror,andthesignalissenttothecontroller.ThecontrollerdetectstheHSYNCsignalto
adjusttheverticallineoftheimageonpaper.Inotherwords,aftertheHSYNCsignalisdetected,theimagedataissentto
theLSUtoadjusttheleftmarginonpaper.Theonesideofthepolygonmirrorisonelineforscanning.
2-21Copyright©1995-2016SAMSUNG.Allrightsreserved.

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