2. Product Specifications and Description2) FR(Full Rate)-ModuleFR-Module is consists of the White-LED , Light-Guide, mirror-1 etc.It is driven by the scan motor (HB Step Motor) and scans the document on the glass.• White-LEDThis is a light source for scanning the document on the glass. ( There are 4 White-LEDs. (Front 2 EA, Rear 2 EA)• Light-GuideThis is to efficiently transfer the light creating WLED to the surface of the document . made of the transparentPlastic Regin.• Mirror-1This mirror directs the light reflected from the Document to the mirror-23) HR(Half Rate)-ModuleHR-Module mainly consists of the mirror-2, mirror-3, etc. The reflected light on document is passed from the mirror-1through the mirrors-2 and -3 to the lens. HR module is driven by the same scan motor as that of the FR module.The speed and distance are half that of the FR module.2-64 Copyright© 1995-2016 SAMSUNG. All rights reserved.