Basic Lens Drive System Operation (Change Of Reproduction Ratio) - Canon NP6320 Service Manual

CHAPTER 3 EXPOSURE SYSTEM
B. Basic Lens Drive System Operation (change of reproduction
ratio)
Power switch
ON
Scanner home
position (Q3) signal
Scanner movement
[1]
Scanner motor (M2)
Lens solenoid
Forward
(SL2)
[3]
Movement
Lens home position
(Q4) signal
When the casette size is changed or when the copier is in the zoom mode, the lens first returns
to the home position before moving to the position that corresponds to the cassette size and the
reproduction ratio.
This operation is executed also when the zoom mode is switched to the Direct mode.
3-4
COPYRIGHT © 1999 CANON INC.
Copy Start key
ON
WMUP
Reverse
[2]
[4] [5]
Figure 3-202
CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
INTR
AER
[1] CCW rotation
[2] CW rotation
[3] Enlargement direction
[4] Blanking by cassette size
(reduction direction)
[5] Blanking by
selected reproduction ratio
SCFW