6. OPERATION
Theory of Oper
a
tion Ver. 1.0 J
a
n. 2010
10
DF-619
CONFIGURA
TION/
OPERA
TION
6.1.4
Original size detection
• The origin
a
l
s
ize i
s
detected
b
y the com
b
in
a
tion of the three length
s
en
s
or
s
a
nd one
re
s
triction pl
a
te po
s
ition
a
l vol
u
me.
A. Detecting the width of the original 1
• The width of the origin
a
l will
b
e detected
b
y the re
s
triction pl
a
te po
s
ition
a
l vol
u
me
u
nder
the doc
u
ment feed tr
a
y.
• Moving the doc
u
ment g
u
ide will rot
a
te the ge
a
r. Then, the detection p
a
rt of the re
s
triction
pl
a
te po
s
ition
a
l vol
u
me mo
u
nted co
a
xi
a
lly with the ge
a
r i
s
rot
a
ted. The width of the origi-
n
a
l i
s
c
a
lc
u
l
a
ted
bas
ed on the v
a
l
u
e detected thro
u
gh the rot
a
tion of the detection p
a
rt.
B. Detecting the width of the original 2
• Three con
s
olid
a
tion
s
en
s
or
s
a
re mo
u
nted to where the p
a
per p
ass
e
s
immedi
a
tely
a
fter it
i
s
fed. It i
s
for detecting the width of the origin
a
l for mixed origin
a
l/AM
S
.
C. Detecting the length of the original 1
• The length of the origin
a
l will
b
e detected
b
y the length
s
en
s
or/1/2/
3
.
• Length
s
en
s
or/1
a
nd /
3
a
re mo
u
nted in thi
s
order with the length
s
en
s
or/2
b
eing clo
s
e
s
t
to the feed roller.
D. Detecting the length of the original 2
• The length of the origin
a
l in the mixed origin
a
l/AM
S
mode i
s
c
a
lc
u
l
a
ted
bas
ed on the
period of time d
u
ring which the
b
efore re
a
d
s
en
s
or i
s
b
locked.
A108T2C007DA
Length
s
en
s
or/1 (P
S
10)
Length
s
en
s
or/
3
(P
S
12)
Length
s
en
s
or/2 (P
S
11)
Con
s
olid
a
tion
s
en
s
or/1 (P
S
1
3
)
Con
s
olid
a
tion
s
en
s
or/
3
(P
S
15)
Before re
a
d
s
en
s
or (P
S
6)
Re
s
triction pl
a
te po
s
ition
a
l
vol
u
me (VR1)
Con
s
olid
a
tion
s
en
s
or/2 (P
S
14)
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