COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001CHAPTER 2 ORIGINAL EXPOSURE SYSTEM2-13 ROriginalssizeA3B4A4RA4B5B5RNoneOriginalsenso rPoint of CCD detection1 2 3 4AB-ConfigurationOriginalssize11"×17"LGLLTRRLTRNoneOriginalssensorPoint of CCD detection1 2Inch-Configuration: reflection present : reflection absent[1] The scanner remains in wait.No. 1 mirror base: HPXenon lamp: offOriginal sensor: disabled[2] The copyboard cover is opened.Detection starts of external light in mainscanning direction.No. 1 mirror base: to point of original de-tectionXenon lamp: offOriginal sensor: disabled[3] An original is set.The width of an original is identified interms of the presence or absence of exter-nal light; here, the external light is blockedand the absence of an original is identified,excluding B5, B4, A4, and A3.Point of original detectionPoint of original detection 1Point of original detection 2Point of original detection 3Point of original detection 4Copyboard glassXenon lampOriginal sensorReader unitCopyboard cover(external light)(external light)Original (A4R)T02-404-014.4.2 Book Mode, 1 Original, Copyboard Cover Close