Theory of Oper
a
tion Ver. 1.0 J
a
n. 2010
6. OPERATION
15
CONFIGURA
TION/
OPERA
TION
DF-619
B. Details of DF original glass cleaning
NOTE
• No cleaning operation is performed if the following setting is made in the
S
ervice
Mode: [
S
ystem 2]
→
[ADF
S
can Glass Contamin.
S
et.]
→
[
S
plit Line Detection
S
et-
ting]
→
[Front
S
ide]
→
[Feed Cleaning
S
ettings]
→
[0].
Condition
Cle
a
ning oper
a
tion
Predrive
Sub
power
s
witch ON
Rot
a
te
s
the cle
a
ning
b
r
us
h one complete t
u
rn to check for it
s
correct oper
a
tion.
Exi
s
ting from
s
leep
S
t
a
rt key ON
Before
s
t
a
rting re
a
ding
Rot
a
te
s
the cle
a
ning
b
r
us
h one complete t
u
rn to perform
cle
a
ning.
D
u
ring re
a
ding
(not performed in
b
l
a
ck
mode)
Rot
a
te
s
the cle
a
ning
b
r
us
h one complete t
u
rn to perform
cle
a
ning for every two origin
a
l
s
d
u
ring contin
u
o
us
re
a
ding of
origin
a
l
s
.
Rot
a
te
s
the cle
a
ning
b
r
us
h three complete t
u
rn
s
to perform
cle
a
ning for e
a
ch origin
a
l d
u
ring contin
u
o
us
re
a
ding of origi-
n
a
l
s
, if the de
s
peckle mode i
s
s
elected.
After completing re
a
d-
ing l
as
t origin
a
l
The cle
a
ning
b
r
us
h tend
s
to c
u
rl if repe
a
tedly oper
a
ted in one
direction only, re
su
lting in poor cle
a
ning perform
a
nce. To
s
tr
a
ighten the
b
r
us
h, it i
s
rot
a
ted one complete t
u
rn in the
ba
ckw
a
rd direction when re
a
ding of the l
as
t origin
a
l i
s
com-
pleted.
