Chapter 55-35.1.3 Major Components 0010-7882iR7105 / iR7095The major components of the original exposure system are as follows:T-5-3Original size detection [1]book modesub scanning direction: by reflection type sensormain scanning direction: by CCD[2] ADF modemain scanning direction: by slide guide in ADFsub scanning direction: by photosensor in ADFItem Notation DescriptionScanning lamp LA1 xenon lamp (120,000 lx)Scanner motor M501 2-phase pulse motor (pulse control)Reader Cooling fan 1 FM501 cools the reader blockReader Cooling fan 2 FM502 cools the reader blockADF open/closed sensor PS501 detects the state (open/closed) of the ADF; at 25 degScanner HP sensor PS502 detects scanner home positionOriginal size sensor (AB) --- detects the size in sub scanning direction (AB-configuration)Original size sensor (inch) --- detects size in sub scanning direction (inch)Mirror --- No. 1, 2, 3 mirrorsInverter PCB --- drives the scanning lampCCD unit --- collects image data, performs analog image processingReader controller PCB---controls the reader unit as a whole, performs digital image processingItem Description
