COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001CHAPTER 2 NEW FUNCTIONS2-42F02-301-01The major components of the original exposure system are as follows:ComponentScanning lampScanner motorScanner HP sensorCopyboard cover sensorMirrorNotationLA101M101PS102PS103-DescriptionXenon lamp (intensity of 70,000 lx)2-phase stepping motor (under pulse control)Photointerrupter (detects scanner home position)Photointerrupter (detects the state (open/closed) ofcopyboard cover)No. 1/No. 2/No. 3 mirrorF02-301-02Copyboard glassOriginalScanning lamp Lens CCDNo. 1 mirrorNo. 1 mirror baseNo. 2 mirrorNo. 2 mirrorbase No. 3 mirrorHPImage leadingedgeStream reading position(start position)No. 2 mirrorbaseCopyboard coversensor (PS103)Scanner motor (M101)(forward)(reverse)Light-blockingplateNo. 1 mirrorbaseScanninglamp (LA101)Scanner HPsensor (PS102)
