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OPERATIONS
AND
TIMING
I
2.
Basic
lens Drive
System
Operation
(change
of
reproduction
ratio)
POWER
SWITCH
,
COPY
START
key
ON
ON
y
„
v
WMUP.
INTR
SCFWl,
AER
Scanner
home
position
(Q3)
signal
©
©
/Reverse
Scanner
movement
Forward
Lens
solenoid
(SL2)
®
©
©
Movement
of lens
^ta
VU////A
^H
V//SMK
Lens
home
position
(Q4)
signal
I
II
U"'~
\
Figure
3-11
©CCW
rotation
©CW
rotation
©ENLARGEMENT
direction
©REDUCTION
direction
©
Blanking by
CASSETTE
SIZE
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.
COPYRIGHT©
199!
CANONINC.
CANON
NP-15S0
REV.1
SEPT. 1992
PRINTED
IN
JAPAN
(IHPRIHE
AU
JAP0N)
3-13
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