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M
L
K
J
I
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G
F
E
D
C
B
A
A
B
C
D
E
F
G
H
I
J
K
L
M
LARGE
CLOSED END CONNECTORS
OUTPUT OF ACTIVE
HIGH OR LOW
INPUT OF ACTIVE
HIGH OR LOW
DC5V
CLOSED END CONNECTORS
OUTPUT OF ACTIVE HIGH
DC24V
INPUT OF ACTIVE LOW
INPUT OF ACTIVE HIGH
#187 WITH HOUSING
#250 WITH HOUSING
OUTPUT OF ACTIVE LOW
POSITIVE LOCK RECEPTACLE
POSITIVE LOCK RECEPTACLE
CLOSED END CONNECTORS
SMALL
MEDIUM
DESTINATION
DESCRIPTION
LOCATION
CLOSED END CONNECTORS
EXTRA LARGE
20-L
20
#110 WITH HOUSING
POSITIVE LOCK RECEPTACLE
bizhub C31P Overall wiring diagram
A0EA-B001-1A
Apr.2008
R4ACDZ
B1MON
BL2A
VEPWM
R2ACDZ
BL1CLK
BL1A
VEPWM
BL4ACPWM
BL1ACPWM
GND
BL3CLK
DC24V
DC24V
NC
BL3ACPWM
BL2ACPWM
R3ACDZ
BL2CLK
R1ACDZ
BL3A
VEPWM
BL4A
VEPWM
BL4CLK
BLA
VEREM
NC
DC24V
GND
ENB_DA
TA_K
ENB_DA
TA_C
ENB_DA
TA_M
ENB_DA
TA_Y
GND
SLEEP_REM
NC
J28
NC
J7003
J26
NC
MFP
board fan motor
FM5
*
* *
3 2 1
J12
J15
Battery
CF_Card
CNCF1
1
50
184
1
J6
DIMM0
(Option)
DIMM1
J4
1
184
44
1
GR
BK
GR
W
R
5
1
CSIC_TXD *1
GND
CSIC_RXD *2
GND
CSIC_TXD *1 CSIC_RXD *2
CSIC_RXD *2
CSIC_TXD *1
GY
GY GY GY
GY
GY
GY
GY
GY
GY
GY
GY
12
11
PJ29
GND
CSIC_TXD *1
7
5
3
9
CSIC_RXD *2
1
GND
10
8
6
4
2
Toner bottle/K
PJ25
1
2
3
3 2 1
PJ24
Toner bottle/C
Toner bottle/Y
Toner bottle/M
PJ23
3
1
2
PJ22
1
2
3
Ferrite
core
18
2
14
12
10
16
4
6
8
20
17
1
13
11
9
15
3
5
7
19
26 25 24 23 22 21
21 22 23 24 25 26
(W)
W
(W)
BK
(R)
W
BK
(R)
SW1
1/2 1/1
2/1
2/2
Power switch
DC24V
FG NC
GND
GND
CTS
GND
R
TS
TXD *2
RXD *1
GR
CN29L
6
CN29A
1
3
2
4 5
Staple finisher(Option)
1
2
3
4
PJ34
GR
R
GND
DC24V
1
2
GY
GY
GY
GY
GY GY
PJ35
2
4
6
TXD *1
1
RXD *2
R
TS
3
5
GND
CTS
GND
To PJ23
To PJ1
To PJ2
To J24
DC24V DC24V
R R
DC24V
DC24V
10 9
10 9
*
GY
5
*
5
10
11
GY
DUP_GAIN_CHANGE
14
4 3 2 1
4 3 2 1
4 3 2 1
4 3 2 1
5 4 3 2 1
5 4 3 2 1
5 4 3 2 1
5 4 3 2 1
1
2
3
1
2
3
R
R
1
7
6
5
8
2 3 4
7
5
3
1
8
6
4
2
12
10 11
4
3
2
8
5 6 7
1
9
GND
GND
GND
DC24V DC24V
DC5V
GND
DC3.3V
7
5
3
1
8
6
4
2
2
4
6
8
1
3
5
7
4 3 2 1
5
3
1
6
4
2
2
4
6
1
3
5
GND
DC24V
NC
NC
1st I.T
._REM *3
2nd I.T
._REM *3
2nd I.T
._A
TVC *3 *6
2nd P
.C._REM *5
NC
DC24V
DC24V
1st I.T
._PWM *3
GND
2nd I.T
._MON *3
2nd I.T
._PWM *3
1st P
.C._REM *5
1st I.T
._A
TVC *3 *6
7
5
3
15
9
11
13
1
17
8
6
4
16
10
12
14
2
7
5
3
15
9
11
13
1
17
8
6
4
16
10
12
14
2
23
19
21
7
5
3
15
9
11
13
17
20
22
8
6
4
16
10
12
14
18
2 1
5
2 3
1
4
3 2 1
2
4
1
3
5
2
4
6
1
3
5
7
3
1 2
1 2
1
2
1
2
1
2
3
1
2
3
1
2
3
25
23
19
21
7
5
3
15
9
11
13
1
17
24
20
22
8
6
4
16
10
12
14
2
18
11 10
3
4
5
2 1
6
8 7
9
3 2 1
4
5
6
7
8 7 6 5 4
1
2
3
7 6 5 4
1
2
3
7
8
6
1
2
5 4 3
4 3 2 1
4 3 2 1
5 4 3 2 1
1 2 3
1
7
6
5
2 3 4
1
7
6
5
2 3 4
1
7
6
5
2 3 4
4
3
2
5 6 7
1
1
2
3
4
5
1 2 3 4
4
3
2
1
3
2
1
1 2 3
GY
GY GY
2
1
3
1
2
3
1
2
3
3
2
1
3
2
1
3 2 1
3 2 1
4 3 2 1
S5
LASDB
PJ1
LD_EN_K
DC5V
GND
LDPC_K
S/H_K
GND
DA
TAB
DA
TA
GND
PJ2
Laser drive board/K
Laser diode/K
LD4
LASDB
PJ1
LD_EN_C
DC5V
GND
LDPC_C
S/H_C
GND
DA
TAB
DA
TA
GND
PJ2
Laser drive board/C
Laser diode/C
LD3
LASDB
PJ1
LD_EN_M
DC5V
GND
LDPC_M
S/H_M
GND
DA
TAB
DA
TA
GND
PJ2
Laser drive board/M
Laser diode/M
LD2
LD1
Laser diode/Y
Laser drive board/Y
PJ2
GND
DA
TA
DA
TAB
GND
S/H_Y
LDPC_Y
GND
DC5V
LD_EN_Y
PJ1
LASDB
CN1
CN1
PJ30
NC
PS9
(R)
COM
NO
(Y)
SW3
(Y)
NO
COM
SW2
(R)
PS8
PS15
TH3
PJ19
2 3
1
PS1 PS11
Developing motor/K
GY
GY
GY
GY
GY GY
GY
PJ21
M5
TEM/
HUMS
Safety switch/Fr
Safety switch/Rt
Tray2 switch
PS12
CL3
PS3
M4
8
10
11
9
7 6
12
CN25
1
3 2
4
5
GY GY
GY
GY
GY GY
GY
GY
GY GY
GY
GY
M1
R
GY GY GR
PJ16
M2
GY GY
PJ14
PJ31
GY
4
2 1
3
M6
CL4
1
1 2
2
CN26
GY GY
GY
GY GY
2 1
3
4
5
PJ8
PJ18
CN15
GR GY
GY
PJ5
PJ17
6 7
GY
GY
GY
2
1
4
3
5
PJ9
GY
GY GY
GY GY
CLK
DC24V
GND
GND
GND
DC24V
GND
RXD *2 TXD *1
DC5V
GND
R
TS
4
1
3
2
5
GY
CL1
2
1
CN1
1
FM1
CL2
2
2 1
1
CN16
PJ7
PJ20
1
PS7 PS4
3
2
DUP_TRANSFER_M_B DUP_TRANSFER_M_EN
NC
DUP_TRANSFER_M_A
DC24V
DC5V
GND
GY GY GY
GY
GY
GY
5 4
2
3
1
CN14B
6
7
7 6
CN14A
1
3 2
4
5
GY GY
GY
GY
GY
GY
GND
DUP_PIC_SENS
DUP_SET_DET
DUP_REVERSE_M_A
DUP_OPEN_SENS
DUP_REVERSE_M_EN
DUP_REVERSE_M_B
GY
S5
PJ33
GY
GY
GY
GY
CN12
CN13
FM3
M7
PJ32
HV1
HV2
C4
G4
R
R
(OR)
(OR)
W
(R)
(W)
W
FM2
M3
PJ15
PS14
PJ3
3
1
2
PS13
PJ10
CL5
2
2
1
1
CN17
PJ2
CN19
PJ1
GR BL
BL
BL
BL
GR
GR
BL
3
CN27
1 2
PJ13
GY
GY
GY
9
1
7
6
5
8
2 3 4
PJ11
11
10
12
GND
DUP_TRANSFER_M_A
DC5V
DUP_REVERSE_M_A DUP_REVERSE_M_B
DUP_PIC_SENS
GND
DUP_OPEN_SENS
DUP_REVERSE_M_EN
DC24V
GND
FM2_LOCK
PJ21
3 2 1
CLK
DC24V
GND
GND
GND
DC24V
GND
RXD *2 TXD *1
DC5V
GND
R
TS
12
10 11
PJ20
4
3
2
8
5 6 7
1
9
DUP_SET_DET
13
GY
LOCK
CHANGE
NC
CLK
GND
DC24V
REM
PJ19
GY GY GY
GY
GY GY
M4
TH3 ON
GND
SIZE3
SIZE2 SIZE1
GND
PJ5
PJ25
GY
GY
GY
GND
DC5V
HUMS ON
GY
GY
PJ10
DC5V
PS10 ON
GND
GND
7
5
3
9
11
DC3.3V
GND
PS13 ON
CL5 ON
PS14 ON
1
DC3.3V
GY
GY
GY
GY
GY
GR GY
GY
GR
PJ28
PS3 ON
DC5V GND
GND
PS3 SET
GY
18
2
14
12
10
16
4
6
8
22
20
24
GND
DC24V
NC
BLA
VEREM
BL4CLK
BL4A
VEPWM
BL3A
VEPWM
R1ACDZ
BL2CLK
R3ACDZ
BL2ACPWM
BL3ACPWM
17
1
13
11
9
15
3
5
7
21
19
23
NC
DC24V
DC24V
BL3CLK
GND
BL1ACPWM
BL4ACPWM
BL1A
VEPWM
BL1CLK
R2ACDZ
BL2A
VEPWM
B1MON
25
R4ACDZ
1st I.T
._A
TVC *3 *6
1st P
.C._REM *5
2nd I.T
._PWM *3
2nd I.T
._MON *3
GND
1st I.T
._PWM *3
DC24V
DC24V
NC
2nd P
.C._REM *5
2nd I.T
._A
TVC *3 *6
2nd I.T
._REM *3
1st I.T
._REM *3
NC
NC
DC24V
GND
PJ18
GND
GND
GND
GND
GND
GND
GND
GND
COVER_OPEN
GND
19
7
5
3
15
9
11
13
1
17
CTLDA
TA
TOD
CTLBUSY
ENGBUSY
ENGDA
TA
EDA
TA_K
HSYNC
EDA
TA_M
EDA
TA_Y
EDA
TA_C
20
PJ24
8
6
4
16
10
12
14
2
18
R R
GR
GR
Y Y
DC3.3V
GND DC5V
DC24V
DC24V
GND
GND GND
GR
GR
PJ1
PJ3
1
2
3
NC
DC24V
DC24V
PJ14
GY GY
CHANGE
NC
LOCK
CLK
GND
REM
DC24V
GY
GY
GY GY
GY
M2
M3
GY
GY
GY
GY GY
DC24V
REM GND
CLK
LOCK
FR
3
4
5
2 1
6
7
CHANGE
GY
PJ27
GY
M1
DC24V
REM GND
CLK
LOCK
GND
NC
CHANGE
PJ8
PJ33
CHANGE
NC
GND
LOCK
CLK
GND
REM
DC24V
M5
TXD *1
RXD *2
GND
PJ2
3
2
1
GY
GY
GY
GY GY
GY
1 2 3
PJ1
K
REM NC
6
5
4
GY
GY
GY
GY GY
DC5V
NC
8
7
C
Y
M
TLSB
PRCB
10
8
6
4
2
GY GY
GY
GY
GY
GY
GY GY
GY
GY GY
DC24V
FM3_LOCK
DC24V
FM3 ON
CL1 ON
GND
CL3 ON
PJ6
GY
DC5V
PS1 ON
PS1
1_LED
5
3
GND
PS1
1 ON
1
DC5V
GY
GY GY
6
4
2
PJ26
DC5V
CSIC RXD *2
NC
Y
GND
NC
CSIC TXD *1
LED
PJ13
M
C
K
2
4
6
8
10
IDCSB/R_VO1(REG)
1
IDCSB/F_VO2(L)
DC5V
GND
9
3
5
7
IDCSB/R_VO2(L)
IDCSB/F_VREF
IDCSB/F_VO1(REG)
GND
DC5V
PJ12
PJ16
GY
DC24V
GND
CL2 ON
PS6 ON
DC5V
GY
GY
GY GY
PJ17
PJ4
GY
PS8 ON
TH1 ON
GND
TH2 ON
GND
FU_UNIT_DET
GND
DC5V GND
GND
DC5V
PS15 ON
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY GY
GY
1 2 3 4
H1_REM
24VPOW_REM DC24V
H2_REM
GY
PJ2
9
1
7
6
5
8
2 3 4
11
10
12
A
B
DC24V
DC5V
B
GND
CL4 ON
A
PJ7
GY
GY GY
GY
GY GY GY GY
GY
GY GY
GY
13
PS9 ON
GY
PJ4
PS6
PS10
PJ1
1
TLSB
TEM ON
FM2 ON
PJ9
GND
FM1 ON
FM1_ LOCK
IDCSB/R_VREF
CNINF1
3-J
2
Y
CN4-6
J9
6
1 2
5
4
3
DC5V
DC3.3V DC3.3V
GND
GND
GND
GR
CN4-1
CN4-2
GR
Y
CN4-4 CN4-3
GR
Y
CN4-5
MFPB
M7
M6
A B B
A
PS7 ON
PJ15
GY
DC5V
OHP_LED
GND
5
3
PS4 ON
1
DC5V
GY GY
GY
GY GY
6
4
2
CN3
H2_REM
DC24V
24VPOW_REM
H1_REM
CN4
GND
GND
GND
DC3.3V DC5V
DC3.3V
GR
J9-6
Y
J9-1 J9-2
Y
GR
J9-4
J9-3
Y
GR
J9-5
BK
W
W
BK
NUT2
NUT1
NC
HOT HOT
NC
CN2
CN5
9
1
7 6 5
8
2
3
4
INDEXB ON
NC
GND
DC24V DC5V
LOCK
CHANGE
REM GND
PJ22
M8
DCPU
PJ23
NC
S/H_Y
LDPC_Y
LDPC_M
S/H_M
LDPC_C
NC
LDPC_K
S/H_C
S/H_K
NC
GND
DC5V
LD_EN_Y
LD_EN_M
DC5V
LD_EN_C
GND
LD_EN_K
DC5V
GND
DC5V
GND
M8
DUP_TRANSFER_M_B DUP_TRANSFER_M_EN
GY
GY
1 2 3 4
GY
PJ1
DC5V
GND NC
INDEXB ON
INDEXB
1
5-J
14-G
1
PJ6
9-J
2
CN1
L N
2 1
PG1
(L)
(G) (N)
W BK
Y/G
CN2
TLSB
DC24V
GY GY GY
GY GY
4
3
2
1
5
PJ1M8
CN31
2
2 1
1
R
R
(R)
R
G3
G1
R
(W)
(BL)
R
G2
(R)
R
C3
(BL)
R
C2
C1
R
(W)
(R)
(W)
T2
T1
USB_DM RESET
TXD *1
DC3.3V
GND
5 7 9
3
1
J22
GY
Y
W
OR
2 4
10
8
6
RXD *2
GND DC5V
NC
USB_DP
OR
W Y
GY
3
2-L
1
J24
19
3
9-J
B1
BL1
R1
R2
BL2
B2
B4
BL4
R4
R3
BL3
B3
GY GY
IDCSB/F
IDCSB/R
OB
CN1
2 3 4 5
1 2 3 4
W
GY
4
3
2
8
5 6 7
1
Y
Y
W
OR
GY
OR
CN2
9
J7000
DC3.3V
GND
TXD *1 DC5V
GND
RXD *2
USB_DM
RESET
USB_DP
PJ21
PS12 ON
DC5V GND
PJ31
GY GY GY
NC
10
PI
PI
CN28
J13
(Option)
HDD
Media empty sensor/2
Media feed clutch/2
Fusing motor
Fusing unit
Fusing fan motor
Media full sensor
Media loop sensor
Intermediate transport motor
OHP
sensor
Registration sensor
Registration roller clutch
Exit sensor
Fusing media size sensor
Media empty sensor/1
Media feed clutch/1
sensor
Temperature/humidity
Door sensor/Fr
Door sensor/Rt
P.C. drum ch. corona K *5
Grid voltage K
Grid voltage C
P.C. drum ch. corona C *5
Grid voltage M
P.C. drum ch. corona M *5
P.C. drum ch. corona Y
*5
2nd image transfer
Grid voltage Y
High voltage unit/2
1st image transfer
Retraction position sensor/2
Retraction position sensor/1
Pressure/retraction clutch/2
Pressure/retraction clutch/1
Toner level sensor board
D.B. /M *4
Vbl/M
Vr/M
Vr/Y
Vbl/Y
D.B. /Y
*4
D.B. /C *4
Vbl/C
Vr/C
Vr/K
Vbl/K
D.B. /K *4
High voltage unit/1
Toner supply motor/C,K
Toner supply motor/Y
,M
W
aste toner sensor
Color PC drum motor
Developing motor/Y
,M,C
IDC sensor board/Fr
IDC sensor board/Re
MFP board
Polygon motor
Index board
Ozone ventilation fan motor
Thermistor/3
Duplex(Option)
Lower feeder unit(Option)
DC power supply
DC power supply fan motor
Operation board
Print control board
ATVC : Auto transfer voltage control
TXD : Transmission data
RXD : Reception data
*1
*5
*6
*3
*4
D.B. : Developing bias
I.T. : Image transfer
*2
P.C. : Photo conductor
Summary of Contents for Bizhub-C31P
Page 1: ...SERVICE MANUAL 2008 04 2008 04 Ver 1 0 Ver 1 0 FIELD SERVICE ...
Page 3: ...ii Blank Page ...
Page 25: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 22 Blank Page ...
Page 28: ...SERVICE MANUAL 2008 04 Ver 1 0 FIELD SERVICE Main body ...
Page 286: ...SERVICE MANUAL 2008 04 Ver 1 0 FIELD SERVICE Lower Feeder Unit ...
Page 309: ...6 Jam display Field Service Ver 1 0 Apr 2008 20 Lower Feeder Unit Troubleshooting Blank Page ...
Page 310: ...SERVICE MANUAL 2008 04 Ver 1 0 FIELD SERVICE Duplex Option ...
Page 315: ...1 Product specifications Field Service Ver 1 0 Apr 2008 2 Duplex Option General Blank Page ...
Page 327: ...3 Jam display Field Service Ver 1 0 Apr 2008 14 Duplex Option Troubleshooting Blank Page ...
Page 328: ...SERVICE MANUAL 2008 04 Ver 1 0 FIELD SERVICE Staple Finisher ...
Page 335: ...1 Product specifications Field Service Ver 1 0 Apr 2008 4 Staple Finisher General Blank Page ...
Page 353: ...2 Other Field Service Ver 1 0 Apr 2008 22 Staple Finisher Maintenance Blank Page ...
Page 365: ...4 Error codes Field Service Ver 1 0 Apr 2008 34 Staple Finisher Troubleshooting Blank Page ...