Hitachi HT-4139-28, Maintenance Manual

Page: 25 / 126

REV0 10.02.15
-H4-3-
4.2 The diagnosis order when parts are exchanged
Machine failure Replacing Pats
No.
Item
(A
) P
h
o
to
s
ys
te
m
s(
P
C
2
2
)
(B
) P
h
ot
o
s
y
st
em
s(
ex
ce
p
t f
o
r P
C
2
2
)
(C
) U
ltr
a S
o
n
ic
S
en
so
r s
y
ste
m
s
(D
) P
ap
er
S
ca
n
n
in
g
M
ec
h
n
is
m
(E
) I
m
ag
e(
co
lo
r,
g
ra
y
s
ca
le
e
tc
)
sc
al
e)
(F
) I
m
p
rin
tin
g
(G
)
P
C
2
2
(E
m
is
sio
n
)(
S
en
so
r)
(H
) P
h
o
to
S
en
so
r (
E
m
is
sio
n
)(
S
en
so
r)
(I
) R
ef
le
ct
io
n
S
en
so
r
(J
) F
lu
o
re
sc
en
t l
am
p
(A
S
S
Y
)
(K
) I
n
v
er
te
r(
F
lu
o
re
sc
en
t l
am
p
)
(L
) S
ca
n
n
er
A
S
S
Y
(M
) M
A
IN
P
K
（
C
P
S
6
19
P
/K
）
(*
1)
(N
) M
A
IN
P
K
（
C
P
S
6
1
9
P
/K
）
(*
2)
(O
) D
R
V
P
/K
（
C
P
S
6
1
4
P
/K
）
）
(P
) P
ic
k
ro
lle
r
(Q
) S
ep
ar
at
o
r R
ol
le
r
(R
) R
ev
er
se
R
o
lle
r
(S
) I
m
p
rin
tin
g
A
S
S
Y
(T
) P
o
w
er
S
u
p
pl
y
（
P
S
A
S
S
Y
）
(U
) M
o
to
r/B
el
t
(V
) S
S
-S
en
so
r
(W
) S
S
（
C
P
S
6
1
8
P
/K
）
(X
) U
S
B
-C
ab
le
p
er
io
d
ic
c
h
ec
k
R
ef
er
en
ce
N
o
.
1
Off Line
5
1.1
Off Line Test
5.3
1.2 Inline Loop Test 5.4
2 Host PC 6
2. 1
Auto Calibration
3 3 3 3 3 2 2 2 2 2 2 3 2 2 2 4 6.1
3
Maintenance Tool
7
3. 1
Information on
Device Operation
1 1 1 1 7.1
3. 2 Firmware Download 3
*1
2
*1
7.2
3. 3
Load / Save Device
Unique Information
1
4 7.3
3. 4 Memory Dump 7.4
4 Checking
・
Cleaning
・
t ・
Replacing
4. 1
Checking
1 1 1 1 1 1 * * * * 2 3
4. 2
Cleaning
2 2 2 2 2 2 * * * * * * * * * * 3 3.3
4. 3
t
* * * * * 3 * * * * 2 4 9
4. 4
Replacing
4 4 4 4 4 1 1 1 1 1 1 2 1 1 2 2 2 1 1 1 1 1 1 8
The numbersin the table are priorities to check.
（
* : Perform when it is necessary
）
There are detectors shown below.
PC22 ASSY(Emission)(Sensor)---PC22
Photo Sensor r (Emission)(Sensor)---PC11
PC20 PC51 PC52
Reflection Sensor ---PC21 PC31 PC41 PC42 PC43
Note 1: Perform when it is necessary. (In case maintenance parts have some notes.)
Note 2: Refer to the replacement procedure of the MAIN P/K ASSY -1(next sheet)
Note 3: Refer to the replacement procedure of the MAIN P/K ASSY -2 (If the procedure-1 does not work)