CHAPTER 2 BASIC OPERATIONCOPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)2-4• From when he power switch is turnedon to when the Copy Start key ispressed.• From when LSTR ends to when theCopy Start key is pressed.From when the Copy Start key ispressed to when the scanner movesforward.While the scanner moves forward about10 cm and then moves it in reverse.While the scanner is moving forward.• The distance varies according to theselected copy size and reproductionratio.• The forward speed varies accordingto the selected reproduction ratio.While the scanner is moving in reverse.• The reverse speed is about 3.3 as fastas the forward speed used in Direct.From when SCRV ends to when themain motor stops.DescriptionWaits until the Copy Start key ispressed.Removes residual charges from thephotosensitive drum, thereby ensuringa stable drum sensitivity.Measures the density of the original.Illuminates the original by the scanninglamp, and the reflected optical image isprojected to the photosensitive drumthrough mirrors and lenses.Moves the scanner to the home positionin preparation for the next copying run.Neutralizes the drum surface potentialas post-processing.STBY(standby)INTR(initial rotation)AER(AE rotation)SCFW(scanner forward)SCRV(scanner reverse)LSTR(last rotation)PeriodTable 2-101
