Service Manual
APPENDIX
Appendix-3
7.3 7145 Overall Wiring Diagram (3/4)
1
A
B
C
D
E
F
G
H
I
A
B
C
D
E
F
G
H
I
23456789
1
23456789
FUSING UNIT
Fixing
temperature
sensor/1
Fixing
temperature
sensor/2
951-1
PS 2
-3
-2
Fixing exit sensor
J13:A4 - A1
J13:A3 - A2
J13:A2 - A3
J13:A1 - A4
J12: 9 - 1
J12: 8 - 2
J12: 7 - 3
J12: 6 - 4
J13:B4 - B1
J13:B3 - B2
J13:B2 - B3
J12: 5 - 5
J12: 4 - 6
J12: 3 - 7
TH1 ANG 18- 6
SGND 18- 7
TH2 ANG 18- 8
SGND 18-10
PS 18-11
SGND 18- 9
980:1 - 1
980:2 - 2
980:3 - 3
980:4 - 4
J18: 1 - 3
J18: 2 - 2
J18: 3 - 1
N.C 18-14
N.C 18-13
J12: 2 - 8
J12: 1 - 9
5V 18-12
TH1 TH2
35-1
35-2
35-4
35-3
-10 PGND
COPY VENDER
35-5
-8 /CPF0
-9 /CPF1
-4 VEN.RXD
-3 VEN.CTS
-6 VEN.RTS
37-1 VEN.TXD
36-1 /M1
-2 /PF
-3 /PS0
-4 /PS1
-5 /PS2
-6 /PS3
-7 /SIDE
-2 PGND
-5 N.C
-7 PGND
-8 5V
FM2
J28: 3 - 1
J28: 2 - 2
J28: 1 - 3
911: 3 - 1
911: 2 - 2
911: 1 - 3
Fixing cooling fan
18- 4 LOCK
18- 5 PGND
18- 3 DRIVE
26-A16 SGND
M3
26-A17 5V
26-A11 N.C
26-A10 PGND
26-A9 PGND
26-A8 24V
26-A7 24V
26-A15 CONT
26-A14 CLOCK
26-A12 LD
26-A13 N.C
Developing motor
CB 1/2
24V 21- 6
PGND 21- 5
5V 21- 4
SGND 21- 3
SGND 21- 2
12V 21- 1
M1
23-A1 24V
23-A11 5V
23-A8 CLOCK
23-A9 CONT
23-A6 LOCK
23-A2 24V
Main motor
23-A10 SGND
23-A4 PGND
23-A3 PGND
23-A7 SGND
-3
29-B14 SGND
TLD
Toner level
sensor
984-1
-2
J05:3 - 1
J05:2 - 2
J05:1 - 3
29-B16 5V
29-B15 TLD ANG
Toner supply
motor/2
915:6 - 1
915:5 - 2
915:4 - 3
915:3 - 4
915:2 - 5
915:1 - 6
M10
29-A14 B
29-A13 B
29-A16 24V
29-A11 A
29-A12 A
29-A15 24V
954-1
-2
-3
29-B12 PS
Toner bottle
sensor
PS 5
J06:3 - 1
J06:2 - 2
J06:1 - 3
29-B13 5V
29-B11 SGND
904-1
-2
-3
M 5
Polygon motor
-4
-5
J51:1 - 5
J51:2 - 4
J51:3 - 3
J51:4 - 2
J51:5 - 1
CLOCK 22-5
LOCK 22-4
DRIVE 22-3
PGND 22-2
24V 22-1
J54:1 - 5
J54:2 - 4
J54:3 - 3
J54:4 - 2
J54:5 - 1
SD4
Cleaning web
solenoid
925:2 - 1
925:1 - 2
J29:2 - 1
J29:1 - 2
29-A7 DRIVE
29-A8 24V
SD5
926:2 - 1
1 - 2
ADU gate
solenoid
29-B8 24V
29-B7 DRIVE
-2
-1
92-7
-6
-5
-4
-3
Toner control
sensor board
Toner density sensor
5V 26-B7
J15: 5 - 9
J15: 6 - 8
J15: 7 - 7
J15: 8 - 6
J15: 9 - 5
J15:11 - 3
J15:10 - 4
J16-2
J16-3
J16-4
J16-5
J16-6
J16-7
J16-8 J11: 1 - 7
J11: 2 - 6
J11: 3 - 5
J11: 4 - 4
J11: 5 - 3
J11: 7 - 1
J11: 6 - 2
TNRIF 26-B10
TNOUT1 26-B11
TNOUT2 26-B12
SGND 26-B13
12V 26-B9
DRUM.TH 26-B8
PCL
Pre-
charging
lamp
J15: 2 - 12
J15: 1 - 13
DRIVE 26-B17
24V 26-B16
J16-12
J16-18
932:2 - 1
932:1 - 2
SD7
Separation
claw
solenoid
928:2 - 1
928:1 - 2
J15: 4 - 10
J15: 3 - 11
24V 26-B15
DRIVE 26-B14
J16-15
J16-16
983-1
-2
-4
J17-2
J17-3
-5
J17-5
J17-9 -3
TDS
TCSB
CONT 25-A1
12V 25-A2
TDS ANG 25-A3
SGND 25-A4
J14: 5 - 2
J14: 6 - 1
J14: 4 - 3
J14: 3 - 4
N.C 25-A5
N.C 25-A6
J14: 2
J14: 1
J16-20
to BIAS
72- 5
CHARGER
Separation Transfer
GRID
HV
J16-11
72- 1
FT36 FT37
FT38 FT39
FT34
FT31 FT32 FT33
FT30
FT40
FT35
to GUIDE
PLATE
M8
907-1
-2
Tray
motor/L
26-B4 24V
26-B3 DRIVE
M7
Tray
motor/U
906-1
-2
26-B2 24V
26-B1 DRIVE
SGND 27- 6
HUM1 ANG 27- 7
5V 27- 8
J09-9
J09-8
J09-7
70- 3
70- 2
70- 1
73- 3
73- 2
73- 1
N.C 27- 5
910: 3 - 1
910: 2 - 2
910: 1 - 3
FM4
26-A2 EM
26-A3 PGND
26-A1 DRIVE
Internal cooling
fan/1
Registration clutch
MC1
920: 2 - 1
920: 1 - 2
29-A9 24V
29-A10 DRIVE
DF-318
24V
24V
5V
SGND
PGND
PGND
110-19
110-18
110-17
110-16
110-15
110-14
110-13
110-12
110-11
110- 9
110- 8
110- 7
110- 6
110- 5
110- 4
110- 3
110- 2
110- 1
110-10
300:A10- A10
300:A9 - A9
300:A8 - A8
300:A7 - A7
300:A6 - A6
300:A5 - A5
300:A4 - A4
300:A3 - A3
300:A2 - A2
300:A1 - A1
300:A11- A11
13
14
15
16
17
18
19
20
21
22
24V
24V
24V
PGND
PGND
PGND
5V
5V
SGND
SGND
for DCPS
61
62
63
64
65
66
67
68
69
70
SGND
FS SIN
SGND
SGND
60
FS CTS
SGND
N.C
FS RTS
N.C
SGND
FS SOUT
300:B11- B11
300:B10- B10
300:B9 - B9
300:B8 - B8
300:B7 - B7
300:B6 - B6
300:B5 - B5
300:B4 - B4
300:B3 - B3
300:B2 - B2
300:B1 - B1
for ENGINE
FS-112
FS-113
FS-114
N.C 26-B5
N.C 26-B6
J15:12 - 2
J15:13 - 1
J16-13
J16-14
70- 7
24V
PGND
70- 9
70- 8
B.SIG 27- 2
B.CONT 27- 1
for
DCPS
24V 27- 4
PGND 27- 3
70- 5
70- 4
70- 6
12
11
J25-4
J17-8 J17-11J25-2
J09-6
J09-5
J09-4
J09-3
J09-2
J09-1
J17-12J17-7
J25-5J25-1
SDC.SIG 15-A2
S.FB 15-A1
71- 1
71- 2
71- 3
71- 4
71- 7
71- 9
71-10
71-11
71-12
71- 8
71- 6
71- 5
J10:12 - 1
J10:11 - 2
J10:10 - 3
J10: 9 - 4
J10: 8 - 5
J10: 7 - 6
J10: 6 - 7
J10: 5 - 8
J10: 4 - 9
J10: 3 - 10
J10: 2 - 11
J10: 1 - 12
SAC.SIG 15-A3
S.CONT 15-A4
T.FB 15-A5
T.SIG 15-A6
T.CONT 15-A7
G.CONT 15-A8
C.FB 15-A9
GRID.SIG 15-A10
CHG.SIG 15-A11
C.CONT 15-A12
M9
23-B11 24V
23-B1 5V
23-B3 CONT
23-B10 24V
23-B4 CLOCK
23-B5 F/R
Paper feed motor
M11
Fixing motor
41-1 24V
41-2 24V
41-8 CLOCK
41-9 CONT
41-11 5V
41-6 LOCK
S.G -2
CONT -3
CLK -4
LD -6
H/L -7
P.G -8
P.G -9
24V -11
CW/CCW-5
24V -10
5V -1
S.G -2
CONT -3
CLK -4
LD -6
H/L -7
P.G -8
P.G -9
24V -11
CW/CCW-5
24V -10
5V -1
S.G -2
CONT -3
CLK -4
LD -6
H/L -7
P.G -8
P.G -9
24V -11
CW/CCW-5
24V -10
5V -1
41-7 N.C
41-5 N.C
23-B2 SGND
23-B6 SGND
23-B8 PGND
23-B9 PGND
41-10 SGND
41-4 PGND
41-3 PGND
5V -1
S.G -2
CONT -3
CLK -4
CW/CCW-5
LD -6
H/L -7
P.G -8
P.G -9
24V -10
24V -11
DEV UNIT DRUM CARTRIGE
FM3
912: 3 - 1
912: 2 - 2
912: 1 - 3
Internal
dehumidifying
fan/1
29-A2 EM
J38: 3 - 4
J38: 2 - 5
29-A1 DRIVE
29-A3 PGND
J38: 1 - 6
Toner supply
motor/1
M4
903:6 - 1
903:5 - 2
903:4 - 3
903:3 - 4
903:2 - 5
903:1 - 6
29-B1 A
29-B6 24V
29-B2 A
29-B5 24V
29-B3 B
29-B4 B
913: 3 - 1
913: 2 - 2
913: 1 - 3
FM5
Developing
suction fan
26-A5 EM
26-A6 PGND
26-A4 DRIVE
914: 3 - 1
914: 2 - 2
914: 1 - 3
Internal
dehumidifying
fan/2
FM6
29-A5 EM
J38: 6 - 1
J38: 5 - 2
J38: 4 - 3
29-A6 PGND
29-A4 DRIVE
68-A9
68-A7
68-A10
M301 F/R 17-A3
M301 EM 17-A4
M301 RST 17-A5
M301 RTN 17-A6
SD301 DRIVE 17-A8
SGND 17-A7
PS301 17-A9
PS304 17-A12
PS305 17-A13
SD302 DRIVE 17-B9
PS306 17-B6
PS308 17-B7
PS309 17-B8
M303 F/R 17-B13
M303 EM 17-B14
M301 CLOCK 17-A1
SGND 17-A2
PS302 17-A10
PS303 17-A11
M303 V0 17-B4
M303 V1 17-B5
M302 V0 17-B2
M302 V1 17-B3
68-A6
68-A11
68-A12
68-A13
68-A14
68-A15
68-A16
68-A17
68-A18
68-B16
68-B17
M301 V0 17-B1
VR301 17-A14
68-A5
201:A5 - A14
201:A6 - A13
201:A7 - A12
201:A8 - A11
201:A18- A1
201:A17- A2
201:A16- A3
201:A15- A4
201:A14- A5
201:A13- A6
201:A12- A7
201:A11- A8
201:A10- A9
201:A9 - A10
201:B5 - B14
201:B6 - B13
201:B7 - B12
201:B8 - B11
201:B10- B9
201:B9 - B10
201:B11- B8
201:B12- B7
201:B13- B6
201:B14- B5
201:B15- B4
201:B16- B3
201:B17- B2
201:B18- B1
M302 EM 17-B15
SGND 17-B16
M302 CLOCK 17-B17
68-B2
68-B3
68-B4
201:B2 - B17
201:B3 - B16
201:B4 - B15
68-A4
SD303 CONT 17-A15
FM301 CONT 17-A16
FM301 EM 17-A17
201:A2 - A17
201:A3 - A16
201:A4 - A15
SGND 17-B10
M303 CLOCK 17-B11
SGND 17-B12
68-A2
68-A3
68-B5
68-B6
68-B7
68-B8
68-B9
68-B10
68-B11
68-B12
68-B13
68-B15
68-B18
SGND 17-B18
201:B1 - B18
201:A1 - A18
5V 17-A18
68-A1
68-B1
68-B14
68-A8
Humidity sensor
982-1
-2
-3
HUM1
SD9
929:2 - 1
929:1 - 2
18- 2 24V
18- 1 DRIVE
Toner
solenoid
986-2
986-1
TC
Total counter
29-B9 24V
29-B10 DRIVE
24V 20- 1
24V 20- 2
PGND 20- 3
PGND 20- 4
3130
for SW3
EUROPE only
for FCB
50 51 52 53
FM1 EM 25-A7
24V EM 25-A8
L3 CONT 25-A9
L2 CONT 25-A10
RL CONT 25-A11
L3 CONT 40- 3
SGND 40- 1
SGND 40- 2
5V 40- 4
LT-203
77
78
79
80
81
82
83
71
72
73
74
75
76
84
85
86
87
98
99
100
101
102
93
94
95
96
97
88
89
90
91
92
132
133
134
135
136
137
Symbol
Crimp
Connector Faston
Relay connector