6. OPERATION
Theory of Oper
a
tion Ver. 1.0 J
a
n. 2010
14
DF-619
CONFIGURA
TION/
OPERA
TION
6.3.3
DF original glass contamination prevention control
A. DF original glass cleaning
• A re
a
ding line c
a
n occ
u
r if the DF origin
a
l gl
ass
i
s
cont
a
min
a
ted with d
us
t or dirt. The DF
origin
a
l gl
ass
cle
a
ning mech
a
ni
s
m prevent
s
thi
s
f
au
lt from occ
u
rring.
• The cle
a
ning
b
r
us
h rot
a
te
s
to remove d
us
t
s
ticking to the DF origin
a
l gl
ass
.
• The cle
a
ning
b
r
us
h i
s
rot
a
ted
b
y the front
s
ide cle
a
ning motor.
• The front
s
ide cle
a
ning
s
en
s
or detect
s
the cle
a
ning
b
r
us
h
a
t it
s
home po
s
ition.
A108T2C012DA
A108T2C011DA
Front
s
ide cle
a
ning motor (M
8
)
Front
s
ide cle
a
ning
s
en
s
or (P
S
1
8
)
Cle
a
ning
b
r
us
h
DF origin
a
l gl
ass
DF origin
a
l gl
ass
Home position
During cleaning
Cle
a
ning
b
r
us
h
Rot
a
te
s
forw
a
rd d
u
ring cle
a
ning: co
u
nterclockwi
s
e
Rot
a
te
s
ba
ckw
a
rd when
s
tr
a
ightening the
b
r
us
h: clockwi
s
e
Home position
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