Theory of Oper
a
tion Ver. 1.0 J
a
n. 2010
6. OPERATION
19
CONFIGURA
TION/
OPERA
TION
DF-619
6.3.7
CI
S
control when the start key is pressed
• Thi
s
control i
s
performed only in the 2-
s
ided origin
a
l re
a
ding mode.
A. Before a print cycle / back side reading
1.
The cle
a
ning
b
r
us
h i
s
detected
a
t it
s
home po
s
ition.
2.
The CI
S
expo
su
re l
a
mp
s
a
re t
u
rned ON.
3
.
The cle
a
ning
b
r
us
h i
s
rot
a
ted three complete t
u
rn
s
.
The cle
a
ning
b
r
us
h cle
a
n
s
the CI
S
gl
ass
d
u
ring it
s
fir
s
t t
u
rn.
The cle
a
ning
b
r
us
h
us
e
s
the
s
h
a
ding correction
su
rf
a
ce to perform the
s
h
a
ding cor-
rection d
u
ring it
s
s
econd
a
nd third t
u
rn.
4.
With the CI
S
expo
su
re l
a
mp
s
ON, the cle
a
ning
b
r
us
h i
s
b
ro
u
ght to
a
s
top
a
t it
s
home po
s
ition (w
a
iting for the origin
a
l).
5.
The
ba
ck
s
ide of the origin
a
l i
s
re
a
d
as
the origin
a
l move
s
over the CI
S
.
B. During a print cycle (operation between originals after reading)
The
b
r
us
h cle
a
ning oper
a
tion i
s
norm
a
lly performed e
a
ch time the origin
a
l i
s
re
a
d.
If
a
print cycle prod
u
ce
s
a
l
a
rge n
u
m
b
er of printed p
a
ge
s
contin
u
o
us
ly, however, either the
cle
a
ning oper
a
tion or the
s
h
a
ding correction oper
a
tion i
s
performed.
The
s
h
a
ding correction oper
a
tion i
s
performed
a
t predetermined interv
a
l
s
d
u
ring
a
m
u
lti-
print cycle in order to m
a
int
a
in
a
n
a
ppropri
a
te
s
h
a
ding correction v
a
l
u
e.
(1) Cleaning operation
1.
The cle
a
ning
b
r
us
h i
s
rot
a
ted one complete t
u
rn.
(The cle
a
ning
b
r
us
h norm
a
lly m
a
ke
s
one t
u
rn,
bu
t m
a
ke
s
three t
u
rn
s
in the
de
s
peckle mode.)
2.
With the CI
S
expo
su
re l
a
mp
s
ON, the cle
a
ning
b
r
us
h i
s
b
ro
u
ght to
a
s
top
a
t it
s
home po
s
ition (w
a
iting for the origin
a
l).
(2)
S
hading correction operation
1.
The cle
a
ning
b
r
us
h i
s
rot
a
ted three complete t
u
rn
s
.
The cle
a
ning
b
r
us
h cle
a
n
s
the CI
S
gl
ass
d
u
ring it
s
fir
s
t t
u
rn.
The cle
a
ning
b
r
us
h
us
e
s
the
s
h
a
ding correction
su
rf
a
ce to perform the
s
h
a
ding cor-
rection d
u
ring it
s
s
econd
a
nd third t
u
rn. The
s
h
a
ding correction i
s
performed (
a
tot
a
l of twice).
2.
With the CI
S
expo
su
re l
a
mp
s
ON, the cle
a
ning
b
r
us
h i
s
b
ro
u
ght to
a
s
top
a
t it
s
home po
s
ition (w
a
iting for the origin
a
l).
A108T2C016DA
Home position
The origin
a
l i
s
p
ass
ed with the
cle
a
ning
b
r
us
h
a
t it
s
home po
s
ition.
The
s
h
a
ding correction i
s
performed
us
ing the
s
h
a
ding correction
su
rf
a
ce.
CI
S
mod
u
le (CI
S
)
Cle
a
ning
b
r
us
h
CI
S
gl
ass
S
hading correction surface
