CHAPTER 3 EXPOSURE SYSTEMCOPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)3-4B. Basic Lens Drive System Operation (change of reproductionratio)[1] CCW rotation[2] CW rotation[3] Enlargement direction[4] Blanking by cassette size(reduction direction)[5] Blanking byselected reproduction ratioFigure 3-202When the casette size is changed or when the copier is in the zoom mode, the lens first returnsto the home position before moving to the position that corresponds to the cassette size and thereproduction ratio.This operation is executed also when the zoom mode is switched to the Direct mode.ON ONPower switch Copy Start keyWMUP INTR SCFWAERScanner homeposition (Q3) signalScanner movementScanner motor (M2)Lens solenoid(SL2)MovementLens home position(Q4) signal[1] [2][3] [4] [5]ReverseForward
