Chapter 22-12.1 Document Feed and Exposure System2.1.1 Overview/Configuration2.1.1.1 Overview 0008-1957The following are the major specifications, control mechanisms, and functions associated with the original feed/exposure system:T-2-12.1.1.2 Major Components 0008-1829The Document feed / Exposure system consists of the following major components:F-2-1T-2-2Item Function/methodScanning lamp cathode ray tubeOriginal scanning in book mode: scanning by moving the CCD unitin ADF mode: scanning by moving the originalReading resolution 1200(main scanning) x 2400 (sub scanning) dpi(ADF:600 x 600dpi)Scanner position detection by home position sensorReproduction ratio (zoom) in copyboard mode: 100%in ADF mode: 100%(main scanning) image processing by SCNT board(sub scanning): image processing by SCNT boardCCD unit drive control by flat bed motorScanning lamp activation control by inverter circuit[1] Slide guide [6] Reading glass[2] Document pick-up roller [7] CCD unit[3] Document separation roller [8] Document delivery roller[4] Separation guide [9] Document output tray[5] Document feed roller[5] [7][6][8][1][2][3][4][9]
