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OPERATIONS and
timing
3.
Identifying
the Cassette Size
The
presence/absence
of
a cassette
in
the cassette holder
and
the
size thereof are
identified
by
four
switches
(CST1
through
CST4)
provided
in
each
cassette
holder.
Based
on
the
combinations
of
the
switches
which have been
actuated, the micro-
processor recognizes
the
presence/absence
of
a
cassette
as
shown
in
Table 3-3 and,
at
the
same
time,
determines
where
to
reverse
the
scanner and
how
to
control the
blank
shutter.
^""^-^^^
Arrangement
Paper
size
^^^^^
CST
1
(left)
CST
2
1
CST
3
1
CST
4
(right)
No
cassette
B5
(182x257)
1
U1
(184
to
190x265
to
267)
1
A4
(210x297)
1
1
B5R
(257x182)
1
B4
(257x364)
1
1
A4R
(297x210)
1
1
A3
(297x420)
1
1
1
U3
(190
to
203x266
to
268)
A5R
(210x149)
1
U2
(203
to
220
x
267
to
355)
1
Letter
8.5"x11"
(21
6x279)
1
1
STMT
5.5"x8.5"
(140x216)
1
Legal8.5"x14"
(216x356)
1
1
Letter
R
8.5"x1
1
"
(216x279)
1
1
Ledger
R
11"x17"
(279x432)
1
1
1
(unit:
mm)
0:
SW
is
OFF.
1
:
SW
is
ON.
Table
3-3
3-32
COPYRIGHT©
1992
CANON
INC.
CANON
NP-1SS0
REV.0
JAN.
1992
PRINTED
IN
JAPAN
(IMPRIME
AU
JAPON)
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