Sharp MX-1800N (serv.man19) Service Manual ▷ View online
MX-1800N ELECTRICAL SECTION 11 – 9
B. Front section (P2)
CN1
(PRT
OP
FFC)
CN8
PRINTER
O
P
P
WB
T24FAZ-SMT
(PRINTER
MODEL
ONLY)
DSW-R
(Upper
m
ain
h
arness
PA)
CN4
DSW-F
PS-187-2V
PS-187
P
E
L2P
R
INT24V1
To
P14
P-GND
SPS-51T-187
5VN
R
S
M18PIN
P
B
7P-VH
To
P3
1TNFD
CN9
(FROM
-
P3)
6-179228-2
PS
L
2
P
IN
R
To
P3
To
P3
(Upper
main
harness
PA)
B30B-PHDSS-B
PNC(BLACK)
179228-2
(HL
I/F
harness
PA)
FRONT
CN3
(FROM
-
P1)
CN8
3
24V2
CN8
(FROM
-
P
1)
B12B-XL
24V2
3
CN2
B7P-VH-B
INT24V2
1
5
INT24V2
P-GND
2
6
P
-GND
4
/INT_CNT
5
7
/INT_CNT
NC
4
(DC
m
ain
harness)
1
B7P-VH-B
To
P14
2
P
-GND
3
5VNPD
B7P-VH-B
DSW_F(24V)
2
/PNC_CL
2
12
4
V
3
1
2
DSW_F(24V)
2
INT24V1
2
17
16
24V3
15
/PNC
2
D-GND
2
24V3
1
D-GND
/LED3
/LED2
/LED1
KEY6
KEY5
KEY4
LCDD0
6
L
CDD2
5
L
CDD1
9
L
CDD5
/LED3
/LED2
/LED1
KEY6
5VN
5VN
LCD_CS
3
L
CD_E
2
LCDD3
/OP_RW
LCDD4
LCDD6
11
LCDD7
D-GND
17
KEY2
16
KEY1
KEY3
15
3
DSW_R(24V)
1
24V1
2
OP_SET
DSW_R(24V)
14
DSW_R(24V)
8
10
12
5VN
LCDD7
LCDD6
4
DSW_F(24V)
1TNFD
3
1
TNFD
3
1
1
DSW_R(24V)
1
1TNFD
1
7
4
1
LCDD1
LCDD0
LCD_E
/OP_RW
LCD_CS
20
19
18
13
24
23
22
21
KEY5
KEY4
KEY3
KEY2
KEY1
OP_SET
D-GND
5VN
LCDD5
LCDD4
LCDD3
LCDD2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
TNM
WTNM_1
18
WTNM_2
9
NC
1
2
/PNC
INT24V1in
3
14
24V2
7
TH_LM_IN
NC
17
INT24V1in
7
5W
T
N
M
_
1
5
6
24V1
1
DSW_R(24V)
2
4
D
-GND
4
10
RTH_1CS_IN
WTNM_2
6
9
72
4
V
3
TH_UM_IN
PCU
PWB
11
D-GND
11
12
12
17
AC
PWB
24V2
6
18
DC
PWB
8/
P
N
C
8
WTNM_1
1
WTNM_2
2
NC
18
D-GND
TH_US_IN
5
6
7
15
15
16
16
TH_UMCS_IN
10
13
13
14
OPTION
(Waste
toner
full
detection)
(Waste
toner
motor)
MX-1800N ELECTRICAL SECTION 11 – 10
C. Fusing unit section (P3)
SPS-61T-250
SPS-51T-187
SPS-51T-187
(Fusing
harness)
(Harness
between
TS-HL
MAIN)
R
SPS-51T-187
P
Drawer
RWZ
R
(HL
I/F
harness
PA)
C
N2
CN4
/HL_PR
1
(Harness
between
TS-HL
S
UB)
2
B03P-VL-K
3
4
R
CN3
D-GND
5
SPS-51T-187
INT24V1
6
B6P-PH-K-S
(Upper
main
harness
PA
)
RP
(Harness
between
TS-HL
L
OW)
B03P-VL-R
(Fusing
harness)
P
P
P
R
PHNR-3-H
+
BU03P-TR-P-H
(Fusing
harness)
R
S
M18PIN
P
CN13
(FROM
-
P
13)
CN34
31
INT24V1
1
32
T
o
P
4
D-GND
3
To
P4
To
P2
To
P2
/HL_PR
5
To
P4
(HL
I/F
harness
)
7
PHNR-4-H
+
To
P4
BU04P-TR-P-H
9
CN9
To
P4
To
P2
11
1
2T
o
P
4
3
4
5
6
CZHR
9PIN
7
PHNR-2-H
+
8
BU02P-TR-P-H
(Fusing
harness)
10
To
P4
To
P14
12
14
15
To
P2
16
17
18
DF11-4DP-SP1(PASTEL)
19
20
Fuser
drawer
connector
pin
layout
21
22
Fuser
unit
I/F
Drawer
Fuser
unit
I/F
D
rawer
23
24
25
26
D-GND
27
28
29
View
from
Fuser
unit
side
View
from
Body
side
30
(Upper
main
harness
PA)
B30B-PHDSS-B
B40B-PADSS-B
18
17
NC
17
NC
40
NC
13
NC
14
NC
15
NC
16
NC
38
NC
39
NC
36
NC
37
NC
34
NC
35
NC
32
NC
33
29
NC
30
NC
31
21
NC
27
NC
28
/DRMCL_CNT
25
/DRMBK_B
26
DRMBK_A
19
/DRMCL_B
2
0
DRMCL_A
17
DRMCL_B
18
/DRMCL_A
6W
T
N
M
_
2
6
7
24V3
7
8/
P
N
C
8
12
/HV_REM#
10
/TC_LD#
9
NC
9
1
24V3
1
2
/PNC_CL
2
3
1
TNFD
NC
3
1N
C
4
2
B-7
9
5
VLED
16
B-8
B
-2
B-3
NC
NC
18
RTH_1CS_IN
D-GND
11
1TUD_CL
13
GND
TH_US_IN
NC
NC
WTNM_1
2
TH_UMCS_IN
2
TH_LM_IN
1
D-GND
3
TH_US_IN
1
D-GND
D-GND
2
16
TH_UMCS_IN
NC
B-9
TH_UMCS_IN
B-1
1
2
1
N
-HL(MAIN)
N-HL(LOW)
8
/TC_DATA#
L-HL(E)
HLOUT_UM
2
INT24V2
4
P-GND
23
DRMBK_B
2
4
6
/TC_CLK#
/DRMBK_CNT
22
11
L-HL(MAIN)
3
2
N
-HL(SUB)
4
5
6
4
5
6
L-HL(LOW)
3
TH_UM_IN
1
2
RTH(LOW)
1
4
3
2
1
RTH(MAIN)
RTH(SUB)
3
B-1
TH_UM_IN
B-9
B-2
D-GND
B-8
B-3
TH_US_IN
B-7
B-4
D-GND
B-6
B-5
TH_LM_IN
B-5
B-6
D-GND
B-4
2
L-HL(E)
1
N-HL(MAIN)
1
L-HL(MAIN)
3
L-HL(LOW)
12
TH_UM_IN
1
2
3
5
4
10
RTH_1CS_IN
10
11
2
D-GND
1
5
D-GND
4
WTNM_1
5
D-GND
3
D-GND
4
D-GND
3
D-GND
2
D-GND
1
14
TH_LM_IN
14
15
TH_LM_IN
13
TH_US_IN
13
TH_UM_IN
NC
/PNC
24V3
1TUD_K
D-GND
HLOUT_US
HLOUT_LM
TH_UMCS_IN
HLOUT_UM
HLOUT_US
HLOUT_LM
NC
NC
NC
NC
N-HL(SUB)
N-HL(LOW)
HL
PWB
/DRMBK_A
NC
NC
NC
NC
1TNFD
D-GND
123
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
321
654
B9
B8
B7
B6
B5
B4
B3
B2
B1
B9
B8
B7
B6
B5
B4
B3
B2
B1
456
NC
PCU
PWB
WTNM_2
24V3
/PNC_CL
5VLED
HL
MAIN
THERMOSTAT
HL
SUB
THERMOSTAT
HL
LOW
THERMOSTAT
SPS-51T-187
SPS-51T-187
YL
SPS-51T-187
SPS-51T-187
YL
YL
VL
SPS-61T-250
MX-1800N ELECTRICAL SECTION 11 – 11
D. High voltage section (P4)
(Transfer
belt
separation
harness)
1TUD_K
C
N
9
(FROM
-
P
3)
(Upper
main
harness
PA)
179228-3
PHNR-3-H
+
B
U03P-TR-P-H
(Transfer
belt
separation
harness)
1TUD_CL
B30B-PHDSS-B
179228-3
PHNR-3-H
+
B
U03P-TR-P-H
(Secondary
transfer
separation
harness)
CN1
(Upper
main
harness
PA)
CN34
(F
R
O
M
-
P
3
)
2-TC
2-TC
INT24V2
1
PS-187(BLUE)
PS-187
P-GND
2
CLR
/TC_CLK#
4
/TC_DATA#
3
/TC_LD#
5
/HV_REM#
6
B6P-PH-K-S
B40B-PADSS-B
CN26
CN9
To
P10
3
INT24V2
B3P-PH-K-S
AC
PWB
(MC-BK
harness)
CN1
MC-K
MC-K
To
P12
PS-187
PS-250(RED)
GB-K
(SPRING)
GB-K
BS-K
(SPRING)
BS-K
GB-C
(SPRING)
GB-C
B6P-PH-K-S
(Paper
feed
m
ain
harness)
BS-C
(SPRING)
BS-C
CN2
INT24V2
1
GB-M
(SPRING)
GB-M
P-GND
2
1TC_CL
3
BS-M
(SPRING)
BS-M
1TC_YMC
4
(MC
interface
harness)
1TC_K
5
MC-C
GB-Y
(SPRING)
GB-Y
MC_YMC
6
PS-187
HV_REM
7
To
P14
MC-M
BS-Y
(SPRING)
BS-Y
B7P-PH-K-S
To
P1
PS-187
(MC
interface
harness)
To
P14
MC-M
To
P1
PS-187
(High
voltage
interface
harness)
To
P14
MC-Y
To
P1
PS-187
(MC
h
arness)
To
P14
MC-Y
MC-CMY
To
P12
PS-187
PS-250
B32B-PHDSS-B
CN1
(Primary
transfer
output
harness)
(Primary
transfer
harness
PA
H
V
R
harness
P
T
)
HV_REM
1
1TC-K
1TC-K
1
TC-K
1TC-K
M
C_YMC
2
SPS-01T-187
PS-187
VHR-2N
PS-250
1TC_K
3
1TC-C
1TC-C
1
TC-CMY
1TC-CMY
1
TC_YMC
4
SPS-01T-187
PS-250(BLUE)
F
PS-187(RED)
PS-187
1TC_CL
5
1TC-M
1TC-M
P-GND
6
SPS-01T-187
PS-250(RED)
INT24V2
7
1TC-Y
1TC-Y
B7P-PH-K-S
SPS-01T-187
PS-250(YELLOW)
30
PSCF_LD
26
P-GND
0ZFM_V
27
28
PSFM_V
/0ZFM_CNT
29
/MPUC
19
HUD_M
18
P-GND
SELIN2
15
SELIN3
16
MPWD
/MPFS
5/
M
P
G
S
32
4
V
3
32
5VNPD
14
POD3
17
TH_M
P-GND
25
OZFM_LD
31
SIN3
13
SELIN1
1A
P
P
D
1
2A
P
P
D
2
11
MPFD
12
/ADUGS
PCU
PWB
2nd
T
C
PWB
95
V
N
8
D-GND
2N
C
4
MC
PWB
1st
T
C
PWB
/TC_LD#
/HV_REM#
10
12
P-GND
/HV_DATA#
HV_REM#
20
2
1
3
5VLED
10
1
5
VLED
12
14
1
2
1
TUD_K
3
D
-GND
5VLED
3
1TUD_K
1
D-GND
2
5VLED
3
15
V
L
E
D
D-GND
2
3
D
-GND
1TUD_CL
1
21
T
U
D
_
C
L
3
5VLED
GND
9
13
2
1TUD_CL
11
1TUD_K
D-GND
INT24V2
P-GND
/TC_CLK#
/TC_DATA#
24
2
4
6
8
7
10
6
P-GND
/HV_CLK#
/HV_LD1#
1
/HV_DATA#
/HV_CLK#
/HV_LD1#
21
22
23
HVR
PWB
1
INT24V2
HV_REM#
6
5
4
3
2
INT24V2
(Transfer
s
eparation
sensor
BK)
(Transfer
s
eparation
s
ensor
CL)
MX-1800N ELECTRICAL SECTION 11 – 12
E. Main drive unit section 1/2 (P5)
DVM_K
(DV
m
otor
BK)
(Process
drive
harness
PA)
CN12
CN5
(Upper
main
harness
PA)
(CRUM
harness)
CRUM(BLACK)
TSR-04V-K
DVM_CL
(DV
m
otor
CL)
B7P-PH-K-S
CRUM(CYAN)
TSR-04V-K
B7P-PH-K-S
CRUM(MAGENTA)
RS
M
2
P
P
RS
M
2
P
P
TSR-04V-K
RS
M
2
P
P
CRUM(YELLOW)
RS
M
2
P
P
B10B-PHDSS-B
P
SM10P
R
TSR-04V-K
PHNR-02-H
+
B
U02P-TR-P-H
DHPD_K
(Phase
d
etection
BK)
S3B-PH-K-S
DF11-6DP-SP1
D
F11-6DP-SP1
DHPD_CL
(Phase
detection
CL)
B32B-PHDSS-B
S3B-PH-K-S
DF11-4DP-SP1
9
3
5
TNM_M
(Toner
motor
M
AGENTA)
2
T
NM_Y_2
2
2
2
T
NM_M_2
1
TNM_Y
(Toner
motor
Y
ELLOW)
1
T
NM_Y_1
1
TNM_M_1
1
18
TNM_C_2
2
20
TNM_K_2
TNM_C
(Toner
motor
C
YAN)
19
TNM_C_1
1
T
NM_C_1
1
21
24
TNM_M_2
TNM_C_2
2
2
T
NM_K_2
2
2
2
TNM_M_1
TNM_Y_1
TNM_Y_2
17
TNM_K
(Toner
motor
B
K)
1
T
NM_K_1
1
/DVM_CL_CK
DVM_CL_LD
/DVM_CL_D
CRM_C_DT#
CRM_C_CK#
PCU
PWB
16
DHPD_CL
32
14
/1TURC
30
24V3
5VLED
5VLED
NC
D-GND
DHPD_CL
1TURC
(Transfer
separation
clutch)
1
3
D-GND
1
2
1
DHPD_K
2
5VLED
5VLED
D-GND
1
D-GND
4
D-GND
3
D-GND
2
3
24V3
2
2
/1TURC
1
DHPD_K
P-GND
15
TNM_K_1
NC
13
NC
31
29
D-GND
23
NC
8
2
25
NC
INT24V2
DVM_K_LD
7
28
NC
1
11
26
NC
27
6
/DVM_K_CK
10
12
4
DVM_K_LD
NC
5
6
7
NC
3
1
2
4
INT24V2
P-GND
5
6
7
/DVM_CL_D
DVM_CL_LD
NC
NC
3
4
1
2
3
CRM_K_CK#
/DVM_CL_CK
INT24V2
P-GND
/DVM_K_D
INT24V2
P-GND
/DVM_K_CK
/DVM_K_D
D-GND
6
D-GND
2
D-GND
1
D-GND
3
D-GND
4
D-GND
5
6
9
10
10
CRM_Y_CK#
3
CRM_M_CK#
3
D-GND
1
3
D-GND
1
CRM_C_CK#
CRM_Y_DT#
CRM_Y_CK#
6
8
CRM_M_DT#
CRM_M_CK#
2
4
7
9
10
1
3
5
5V_CRUM
CRM_K_DT#
CRM_K_CK#
D-GND
5V_CRUM
2
5V_CRUM
1
5V_CRUM
3
5V_CRUM
4
5V_CRUM
5
5V_CRUM
D-GND
1
5V_CRUM
2
CRM_Y_DT#
4
CRM_Y_CK#
5V_CRUM
2
CRM_M_DT#
4
5V_CRUM
2
CRM_K_DT#
4
D-GND
3
1
1
2
3
4
6
5
7
8
9
CRM_Y_DT#
8
CRM_M_CK#
6
CRM_C_CK#
5V_CRUM
5
CRM_C_DT#
2
4
CRM_C_DT#
1
5
V_CRUM
2
CRM_K_DT#
7
CRM_M_DT#
CRM_K_CK#
4D
-G
N
D
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