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TROUBLESHOOTING
Rev. B
5-
5
1. The printer does not operate when power is turned on.
E
ND
Replace the C204 MAIN board,
C204 DRV board, and/or
C204 DRV-B board.
I
s
the
A
C
i
nput
v
o
l
tage
no
r
m
a
l
?
N
o
Y
e
s
Us
e the
c
o
rr
e
c
t
A
C
v
o
l
tage.
H
a
s
fu
s
e F1
on the
C
204
po
w
e
r
s
upp
l
y
boa
r
d b
l
o
w
n?
Y
e
s
N
o
W
hen
y
ou
tu
r
n on po
w
e
r
aga
i
n, doe
s
the
ne
w
fu
s
e a
l
s
o
b
l
o
w
?
N
o
Y
e
s
R
ep
l
a
c
e the
C
po
w
e
r
s
upp
l
y
boa
r
d.
N
o
M
ea
s
u
r
e the output
v
o
l
tage f
r
o
m
the
C
po
w
e
r
s
upp
l
y
boa
r
d.
I
s
the
output
v
o
l
tage
no
r
m
a
l
?
Y
e
s
N
o
Y
e
s
I
s
the
fau
l
t
c
o
rr
e
c
ted?
S
ee
S
e
c
t
i
on 5.3 to
r
epa
i
r
the p
r
i
nte
r
m
e
c
han
i
s
m
.
C
he
ck
a
ll
m
oto
r
s
,
s
o
l
eno
i
d, p
r
i
nthead,
and d
r
i
v
e
r
s
u
s
i
ng a
m
u
l
t
i
m
ete
r
.
A
r
e the
y
w
i
th
i
n no
r
m
a
l
r
ange?
Y
e
s
N
o
R
ep
l
a
c
e bad
m
oto
r
,
s
o
l
eno
i
d, o
r
p
r
i
nthead. If d
r
i
v
e
r
a
l
s
o
i
s
bad,
r
ep
l
a
c
e at the
s
a
m
e t
i
m
e.
E
ND
Y
e
s
I
s
the
fau
l
t
c
o
rr
e
c
ted?
R
ete
s
t
I
s
the
p
r
ob
l
e
m
f
i
x
ed?
N
o
E
ND
Y
e
s
N
o
D
oe
s
the
p
r
i
nte
r
beep
befo
r
e
i
t d
i
e
s
?
N
o
Y
e
s
C
he
ck
Tab
l
e 5
-
1,
E
rr
o
r
C
ode
s
.
START
204
Replace the fuse F1 and
disconnect CN2, CN3, and
CN4 on the C204 power
supply Board.
Reconnect CN2,
CN3, and CN4
and turn on the
printer.
204