MX-4100N, MX-4101N, MX-5000N, MX-5001N (serv.man18). Service Manual-Section 10-Electrical Section - Sharp Copying Equipment Service Manual (repair manual). Page 7

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MX-4101N  ELECTRICAL SECTION  10 – 7
F. Serial communication
C
P
U
H
8S/2
3
7
3
TxD
_
DS
K
R
xD
_
DS
K
TxD
_F
IN
R
xD
_F
IN
O
.C
.
O
.C
.
O
.C
.
O
.C
.
O
.C
.
O
.C
.
I/
OA
SI
C
µPD
6
5
8
9
2
GC-
10
3
O
.C
.
O
.C
.
O
.C
.
O
.C
.
O
.C
.
O
.C
.
C
P
U
M3
08
43FWG
P
Sc
hm
it
In
v.
O
.C
.
O
.C
.
O
.C
.
O
.C
.
O
.C
.
C
P
U
H
8/
3
6
8
4
C
P
U
H
8/
3
6
8
7
DT
R_F
IN
DS
R_F
IN
DT
R_
DS
K
DS
R_
DS
K
DT
R_LCC
TxD
_LCC
R
xD
_LCC
DS
R_LCC
P
CU
F
INIS
H
E
R
(O
ptional
)
DES
K
(O
ptional
)
LCC
(O
ptional
)
)
Sc
hm
it
In
v.
O
.C
.
O
.C
.
O
.C
.
O
.C
.
O
.C
.
A[
4:0
]
D
[1
5:8
]
Sc
hm
it
In
v.
Sc
hm
it
In
v.
Sc
hm
it
In
v.
S
CK_L
S
U
R
SV
_
D
A
T
T
RA
NS
_
D
A
T
Sc
hm
it
In
v.
Sc
hm
it
In
v.
Sc
hm
it
In
v.
L
S
UA
SI
C
O
.C
.
nP
CU_R
xD
Sc
hm
it
In
v.
nP
CU_
TxD
O
.C
.
P
CU_
DS
R
Sc
hm
it
In
v.
P
CU_
DT
R
Sc
hm
it
In
v.
O
.C
.
Sc
hm
it
In
v.
O
.C
.
MF
P
C
I/
FA
SI
C
O
.C
O
.C
.
Sc
hm
it
In
v.
O
.C
.
nT
xD
_S
C
N
nR
xD
_S
C
N
R
T
S
_S
C
N
C
P
U
H
8S/2
37
3
Sc
hm
it
In
v.
Sc
hm
it
In
v.
O
.C
Sc
hm
it
In
v.
C
TS
_S
C
N
S
chmi
t
Tx
D
0
Sc
hm
it
O
.C
.
O
.C
Sc
hm
it
In
v.
Sc
hm
it
In
v.
O
.C
.
O
.C
.
TxD_S
CAN
RxD
_S
CAN
I/
OA
SI
C
µPD
6
5
8
9
2
GC
O
.C
O
.C
.
Sc
hm
it
In
v.
O
.C
.
DT
R_FA
X
(D
)
DS
R_FA
X
(D
)
DT
R_FA
X
(C
S
)
Sc
hm
it
In
v.
Sc
hm
it
In
v.
O
.C
Sc
hm
it
In
v.
DS
R_FA
X
(C
S
)
P.
D
.
P.
U
.
P.
D
.
P.
U
.
P.
D
.
P.
U
.
P.
U
.
P.
D
.
P.
D
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
U
.
P.
D
.
P.
D
.
P.
U
.
P.
U
.
P.
D
.
P.
U
.
P.
U
.
P.
U
.
P.
D
.
P.
D
.
P.
U
.
P.
D
.
P.D
.
P.U
.
P.U
.
P.D
.
P.U
.
P.D
.
P.U
.
P.D
.
A[
4:0
]
D
[1
5:8
]
P.
D
.
P.
U
.
P.
U
.
P.
D
.
P.
D
.
P.
U
.
P.
U
.
P.
D
.
TxD
_FA
X
(D
)
R
xD
_FA
X
(D
)
TxD
_FA
X
(C
S
)
R
xD
_FA
X
(C
S
)
LVD
S
R
xD
0
I/O
port
I/O
port
Tx
D
1
R
xD
1
S
CK
1
Tx
D
2
R
xD
2
Tx
D
3
R
xD
3
Tx
D
4
R
xD
4
R
xD
Tx
D
S
CK
R
xD
TxD
I/
O
I/
O
R
xD
TxD
I/
O
I/
O
R
xD
TxD
I/
O
I/
O
R
xD
[1
]
Tx
D
[1
]
C
TS
[1
]
R
TS
[1
]
R
xD
[2
]
Tx
D
[2
]
C
TS
[2
]
R
TS
[2
]
R
xD
[3
]
Tx
D
[3
]
C
TS
[3
]
R
TS
[3
]
Tx
D
[4
]
R
xD
[4
]
C
TS
[4
]
R
TS
[4
]
PI
C
Tx
D
[PI
C]
R
xD
[PI
C]
O
.C
.
Sc
hm
it
In
v.
P.
U
.
P.
D
.
nT
xD
_PI
C
O
.C
Sc
hm
it
In
v.
nR
xD
_PI
C
P.
U
.
CL
R
[PI
C]
O
.C
.
O
.C
P.
U
.
CL
R
_PI
C
R
E
Q[
PI
C]
Sc
hm
it
In
v.
R
E
Q_
PI
C
O
.C
P.
U
.
L
S
U
DSP
FC
nt
(for
DSP
F
model
)
S
C
N
C
nt
M
ot
he
r
MF
P
C
1st
FAX
(for
FG
M
odel
)
RxD
TxD
DS
R_
S
CA
N
DT
R_
S
CA
N
I/O
I/O
Ne
w
A
SI
C
Tx
D
_F
A
X
(D
)+
Tx
D
_F
A
X
(D
)-
R
xD
_F
A
X
(D
)+
R
xD
_F
A
X
(D
)-
Tx
D
_F
A
X
(C
S
)+
Tx
D
_F
A
X
(C
S
)-
R
xD
_F
A
X
(C
S
)+
R
xD
_F
A
X
(C
S
)-
C
P
U
S
H7
70
6
PI
C
Tx
D
R
xD
2nd
FAX
(same
as
1st
)
(O
ptional
)
P.
U
.
.
In
v.I
nv
.
C
P
U
H
8S/2
373
TxD
RxD
R
xD
TxD

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