Brother HL-4040CN Service Manual page 322

Wiring Diagram (1/2)
FRONT COVER OPEN SW
SW
Interlock Switch
(SS-3FL30P-3(OMRON))
REAR COVER OPEN SW
SW
Detector switch(SW1AB-258-13:SHINMEI)
TONER
Toner enpty/
PNEW_SEN
New Toner cartridge
GND
TONER
detect sensor1 K
PNEW
LED_VCC
B512238
TONER
Toner enpty/
PNEW_SEN
New Toner cartridge
GND
detect sensor2 TONER
Y
PNEW
LED_VCC
B512238
TONER
Toner enpty/
PNEW_SEN
New Toner cartridge
GND
TONER
detect sensor3 M
PNEW
LED_VCC
B512238
TONER
Toner enpty/
PNEW_SEN
New Toner cartridge
GND
TONER
detect sensor4 C
PNEW
LED_VCC
B512238
Development
DEVREL_SEN
Release
DEVREL GND
(Temperature in the machine)
sensor
LED VCC
CN1
+3.3V
Thermister 1 +3.3V
TH3_SEN
2 TH3_SEN
B512243
S2B-PH-K-S
CN1
CLN_REL_SEN
Cleaner Release sensor
GND
CLN-REL
LED VCC
B512233
292253-3
OPC gear origin
OPC1_SEN
GND
sensor1
OPC1
LED VCC
B512236
OPC gear origin OPC2_SEN
GND
sensor2
OPC2
LED VCC
B512236
LED VCC 3
0V
WST_TN 1
Waste Toner
Full sensor
Toner Full sensor LED VCC 3
0V
WST_TN 1
T1 Paper empty T1_PE
GND
/Paper edge sensor
T1_PEDG PE
LED VCC
T1_PEDG
B512239
04P-SJN
T1 Regist-front
T1_REG_F
sensor LED VCC
REG_F
GND
B512240
Regist-rear
REG_R
sensor GND
REG_R
LED VCC
B512242
MP tray
MP_PE
Paper empty/Reg-front LED_VCC
MP_PE REG_F
MP_REG_F
sensor
GND
B512234
CN1
Thermister
2 THM1 CN2
(Center)
1 +3.3V
EJECT_SEN 6
B2B-PH-K-M
GND
Thermister
CN3 LED_ON
(Edge)
FUSER_THM1
2 THM2
+3.3V
1 +3.3V
FUSER_THM2 1
Thermostat Thermostat
292161-2
B06B-CZHK-B-1
Eject
EJECT sensor
Halogen heater
B512245
CN101
+24V
+24V
+24V +24V
+24V
PGND
PGND
PGND
B06B-PASK-2
CN103
+24V
PGND
F101
292161-2
CN101
Triac
+3.3V
+3.3V
+3.3V +3.3V
+3.3V
F201
+3.3V
F2
GND
GND
GND
GND
GND
GND
F301 GND
+6.8V +6.8V
F1 +6.8V
HEAT_ON_n
B15B-PASK-2
INLET
Temperature and Humidity
sensor of outside air
+5V
HU1_SEN
CHS-CSC-20(TDK)
GND
TH1_SEN
292250-4
CN37
1 +5V +5V
2 FRONT_COVER_SEN
B2B-EH
3.3V
CN26
1 REAR_COV_SEN to CPU(GPIO)
2 GND
292161-2
tnr_cmp_pwm
CN41
1 1 PNEW_SEN1 to CPU(GPIO)
GND
TONER
tnr_sen1
4
4 LED_VCC
PNEW_LED_VCC
Comp.
B4B-PH-K-K
(3.3V)
CN40
to CPU(GPIO)
1 1 PNEW_SEN2
GND
TONER tnr_sen2
4 4 LED_VCC
PNEW_LED_VCC
Comp.
(3.3V)
B4B-PH-K-Y
CN39
1 1 PNEW_SEN3 to CPU(GPIO)
GND
TONER tnr_sen3
4 4 LED_VCC
PNEW_LED_VCC
Comp.
(3.3V)
B4B-PH-K-R
CN38
1 1 PNEW_SEN4 to CPU(GPIO)
GND
tnr_sen4
TONER
4 4 LED_VCC
PNEW_LED_VCC
Comp.
B4B-PH-K-E
(3.3V)
CN34
devrel_sen
1 1 DEVREL_SEN
GND
LED VCC LED_VCC(3.3V)
+3.3V +3.3V
5 5 TH3_SEN to CPU(ADC)
B5B-PH-K-R
CN11
cln_rel_sen
1 CLN_REL_SEN
1
GND
3 LED VCC LED_VCC(3.3V)
3
292161-3
to CPU(GPIO/INT)
CN36
opc1_sen
1 1 OPC1_SEN
GND
3 3 LED VCC LED_VCC(3.3V)
B3B-PH-K-R
to CPU(GPIO/INT)
CN33
opc2_sen
1 1 OPC2_SEN
GND
3 3 LED VCC LED_VCC(3.3V)
B3B-PH-K-K
+3.3V
CN27
wst_tn_led
1 WST_TN_LED
GND
1.5V 5V
WST_TN_SEN1
wst_tn_sen1
WST_TN_LED
GND Comp.
6 WST_TN_SEN2 1.5V 5V
B6B-PH-K-Y wst_tn_sen2
Comp.
CN10
t1_pe_sen
1 T1_PE_SEN
1
GND
LED VCC LED_VCC(3.3V)
t1_pedg_sen
4 T1_PEDG_SEN
4
B4B-PH-K-R
CN8
t1_reg_f_sen
3 T1_REG_F_SEN
3
LED VCC
LED_VCC(3.3V)
1 GND
1
B3B-PH-K-M
CN9
1 1 REG_R_SEN to CPU(GPIO/INT)
GND
LED_VCC(3.3V)
3 3 LED_VCC
B3B-PH-K-P
CN7
1 MP_PE_SEN mp_pe_sen
1 LED_VCC(3.3V)
LED_VCC
mp_reg_f_sen
MP_REG_F_SEN
4 GND
4
B04B-CZHK-B-1
fuser_det
Drawer
to CPU(ADC)
CN32
connector
to CPU(GPIO/INT)
1 EJECT_SEN
GND LED_VCC(3.3V)
LED_ON
to CPU(ADC)
FUSER_THM1
+3.3V 5V
+3.3V
3.1V
6 FUSER_THM2
to CPU(ADC)
Comp.
B6B-PH-K-E
5V
3.1V heat_lmt
Comp.
heat_on
CN5
1 1 +24V
+24V
+24V
+24V
PGND
PGND
6 6 PGND
S06B-PASK-2
1
2
CN6
1 15 +3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
GND
GND
GND
GND
GND
GND
GND
+6.8V
+6.8V
+6.8V
15 1 HEAT_ON_n
S15B-PASK-2
+5V
REG.
+24V
REG.
Voltage A3.3V
Detector On/Off
CN23
10 +3.3V
+3.3V
+3.3V
+3.3V Vcc
+3.3V
GND
A3.3V
GND Vcc(ADC)
GND
+6.8V
+6.8V
+6.8V
PGND
1,2pin:N.C.
1 +24V +24V
S10B-PASK-2
CN28
10 BD0n REVIO0(BD0n)
BD1n REVIO1(BD1n)
GND
STATUS
UART
COMMAND
STSREQn
VSYNCn
CMDREQn
CMDRDYn
1 RESETn
+3.3V
B10B-CZHK-B-1
RESET IC
(Vdet=2.8V)
CLK(20MHz)
CSn/RDn/WRn
A[9:0]
D[7:0]
+3.3V Vcc
INT[1:0]n
(Logic/ADC)
RSTn
PNEW_SEN[3:0]
AIR_FAN_LOCKn
lt1_cas_sen
lt1_lift_sen
lt1_reg_sen
lt1_pe_sen
REAR_COV_SEN
reg_r_sen
eject_sen
rear_cov_sen
frnt_cov_sen
opc1_sen
opc2_sen
CLK
dens_sen1
dens_sen2
heat_thm1 DATA
heat_thm2
el_current
CLK
to Digital
Potentiometer
CN35
+5V DATA (for reg-mark sensor)
1 +5V
1
+3.3V
HU1_SEN
GND SEN_LED_ON1
4 TH1_SEN
4
292161-4 +3.3V
SEN_LED_ON2
th2_sen
motor_model
+3.3V
fuser_det
SEN_LED_ON3
th3_sen
Fuser_FAN_HIGH
Fuser_FAN_LOW
AIR_FAN
PS_FAN
OPC_FAN
CN31
5VI +5VI 22
GND
(Laser Power)
AD_PD1
AD_PD2
frnt_cov_sen AD_PD4
AD_PD3
to CPU(GPIO/INT) +5V
GND
+3.3V
LD_PWR_PWM1
LD_ON1
A3.3V
LD_PWR_PWM2
+5V
LD_ON2
AD_PD[3:0]
AD/C
+5V
+3.3V
LD_ENA
A3.3V
LD_PWR_PWM4
LD_PWR_PWM[3:0]
LD_ON4
LD_PWR_PWM3
LD_ON3
LD_ENA
LD_ON[3:0]
GND
BD4_n
BD1_n/BD4_n
BD1_n 1
IMSA-9615S-22A-PP-A
CN43
+24V
+24V 1
scan_clk/scan_on PGND
ON_n
scan_lock
LOCK_n
CLK 5
+24V
B5B-PH-K-S
F2
CN4
el_on
EL_24V 1
GND 2
EL_CURRENT
(To CPU ADC) B2B-PH-K-K
CN22
dev_lock
LOCK_n 1
dev_clk
CLK
dev_dir
DIR
ON_n
dev_on
PGND
PGND
motor_model +24V
+24V
(To CPU ADC)
+24V
detect 9
B9B-PH-K-S
CN17
belt_lock
LOCK_n 1
belt_clk
CLK
belt_dir
DIR
belt_on ONn
PGND
+24V
+24V
detect 7
B7B-PH-K-R
CN16
cln_lock
LOCK_n
cln_clk 1
CLK
cln_dir
DIR
ONn
cln_on
PGND
PGND
+24V +24V
+24V
detect 9
sen_led_on1
B9B-PH-K-K
devrel_in[3:0]
CN42
devrel_pha/b
PH_A 1
devrel_vref_pwm
PH_A_n
PH_B
PH_B_n 4
+24V/+5V
B4B-PH-K-S
opc1_in[3:0]
CN15
opc1_pha/b
PH_A 1
PH_A_n
PH_B
+24V/+5V
PH_B_n 4
B4B-PH-K-S
opc_vref_pwm
CN14
+24V/+5V
PH_A 1
PH_A_n
opc2_in[3:0]
PH_B
opc2_pha/b
PH_B_n 4
B4B-PH-K-M
F6
+24V
CN30
OPC_FAN
OPC_FAN_POWER 1
PGND 2
FUSER_FAN_HIGH
B2B-PH-K-Y
FUSER_FAN_LOW
AIR_FAN CN21
1
FUSER_FAN_POW
PS_FAN
AIR_FAN_POW
PS_FAN_POW
TNR_LED TNR_LED_K
FAN_PGND
AIR_FAN_LOCKn
to CPU(GPIO)
GND
GND
HV_DEV_PWM[4:1]
HV_DEV_PWM1
HV_GRID_PWM2
HV_GRID_PWM[4:1]
HV_GRID_PWM1
HV_DEV_PWM2
HV_DCLN_PWM
HV_GRID_PWM3
HV_DEV_PWM3
HV_GRID_PWM4
HV_DEV_PWM4
GRID_DCDET_N
HV_DCLN_PWM
GRID_DCDET_N
HV_DCLN_ON
HV_DCLN_PLUS
HV_GRID_FB4
HV_DCLN_FB
+5V
HV_DEV_FB4
HV_DEV_FB[4:1]
HV_DEV_FB1
HV_GRID_FB3
HV_GRID_FB[4:1]
AD/C
HV_GRID_FB1
HV_DEV_FB3
HV_DCLN_FB
HV_DEV_FB2
HV_GRID_FB2
A3.3V
A3.3V
30
FAN_PGND
IMSA-9615S-30A-PP-A
CN20
FFC
HV_TRCC_PWM4 19
HV_FUSER_PWM
HV_TRCC_PWM[4:1]
HV_TRCC_PWM3
HV_BCLN1_PWM
HV_BCLN[2:1]_PWM
HV_TRCC_PWM2
HV_BCLN2_PWM
HV_FUSER_PWM
HV_TRCC_PWM1
PGND
GND
PGND
A3.3V A3.3V
HV_BCLN1_FB
+5V
HV_FUSER_FB
HV_TRCC_FB[4:1]
HV_BCLN2_FB
HV_TRCC_FB4
AD/C HV_BCLN[2:1]_FB
HV_TRCC_FB1
HV_TRCC_FB3
HV_FUSER_FB
HV_TRCC_FB2
1
GND
IMSA-9615S-19A-PP-A
+3.3V
Digital
CLK
Potentiometer
DATA
5V
reg_mark_sen1
CN29
Comp.
LED_VCC 1
5V
GND
REG_MARK_SEN1
reg_mark_sen2
Comp. LED_VCC
REG_MARK_SEN2
reg_mark_pwm +3.3V
+3.3V
TH2_SEN
LED_CUR
LED_CUR
dens_led_pwm
VO1
+5V
VO2
to CPU(ADC) GND
dens_sen1/2,thm2_sen +5V 12
B12B-CZHK-B-1
CN24
F8
+24V
+24V 1
DENS_SOLn
dens_sol PGND 3
B3B-PH-K-R
CN25
+24V 1
DX_SOL_n 2
dx_sol
B2B-PH-K-M
CN12
F4
+24V +24V 1
T1_SOL_n 2
t1_sol
B2B-PH-K-E
CN13
+24V 1
CLN_HLT_SOLn 2
cln_hlt_sol
B2B-PH-K-S
CN2
F1
+24V +24V 1
REG_SOL_n 2
reg_sol
B2B-PH-K-M
CN3
+24V 1
MP_SOL_n 2
mp_sol
B2B-PH-K-Y
CN1
F3
+24V
+24V 1
CLN_REL_SOLn 2
cln_rel_sol
B2B-PH-K-S
CN19
F7
+24V 1
+24V
PGND
lt1_lift_drv
LT1_LIFT_DRV
lt1_sol LT1_SOL
LT1_CAS_SEN
lt1_cas_sen
LT1_LIFT_SEN
lt1_lift_sen
LT1_PE_SEN
lt1_pe_sen
LT1_REG_SEN 8
lt1_reg_sen
(to CPU GPIO) B08B-CZHK-B-1
LED_VCC
(+3.3V)
PNEW_LED_VCC
(+3.3V)
Rmark_LED_VCC
(+3.3V)
Engine PCB
B512250
6-20
CN1 B512230
FFC
22 +5VI
CN5
GND
+5VI +3.3V 1
AD_PD1 +5V
GND
AD_PD2
PWR_PWM3 BD_n 3
AD_PD4
LD_ENA
AD_PD3 S3B-PH-K-S
to LD
+3.3V
GND
Video3 VR
CN3
LD1_PWR_PWM
LD1_ON +3.3V 1
VR
LD2_PWR_PWM GND
LD2_ON BD_n 3
+5V
+5VI S3B-PH-K-S
+5V
+3.3V
A3.3V PWR_PWM4
CN2
LD4_PWR_PWM LD_ENA
to LD
LD4_ON LD 1
LD3_PWR_PWM Video4 TR-B
VR
LD3_ON TR-E
LCX07
LD_ENA VR PD
GND GND 5
BD4_n
S5B-PH-K-S
1
BD1_n
+5V +5VI
22FMN-BMTTN-A
CN4 4kbits
PWR_PWM2
LD4
FFC
EEPROM
1 E2P_SCL LD_ENA
to LD
E2P_SDA
GND Video2 VR
VDO3_P
VR
VDO3_N
Video3 LD2
GND
+5V
VDO4_P
VDO4_N +5VI
Video4
CN6
GND
PWR_PWM1
VDO1_P LD 1
LD_ENA
to LD
VDO1_N TR-B
Video1
GND Video1 TR-E
VR
VDO2_P PD
15 VDO2_N Video2 VR GND 5
15FMN-BMTTN-A S5B-PH-K-S
CN8 CN7 Polygon Motor Unit
CN
+24V 5 +24V 1
5 +24V
PGND PGND
PGND
ON_n ON_n
ON_n
LOCK_n LOCK_n
LOCK_n
CLK 1 CLK 5
1 CLK
B5B-PH-K-S B5B-PH-K-R
B5B-PH-K-S
Electrode
Development
1 LOCK_n
Electrode PCB
CLK Drive Motor
DIR
Unit
ON_n
PGND
EL PCB
PGND
1
+24V +24V
+24V +24V
+24V
9 detect
F1 EL_ONn
4 EL_ONn
04P-SJN
Belt Drive
Relay
1 LOCK_n
Motor Unit CN
CLK
EL PCB
DIR
1
+24V
ONn
+24V
PGND
EL_ONn
+24V
4 EL_ONn
7 detect +24V
F1
04P-SJN
Relay
CN
EL PCB
Paper feeding/
LOCK_n
1 1
Belt cleaner +24V
CLK
+24V
DIR
Motor Unit
EL_ONn
ONn
4 EL_ONn
PGND
04P-SJN
PGND
Relay
+24V
CN
+24V EL PCB
9 detect +24V
1
+24V
F1
+24V
EL_ONn
4 EL_ONn
Development 04P-SJN
Relay
Release Motor
CN
NC
OPC DRUM Drive
MOTOR1
OPC DRUM Drive
MOTOR2
CN2
1 +24V
2 PGND
292161-2
CN1
FFC
1 FUSER_FAN_POW
AIR_FAN_POW
PS_FAN_POW
TNR_LED_K
FAN_PGND
AIR_FAN_PGND
GND
GND
HV_DEV_PWM1
HV_GRID_PWM2
HV_GRID_PWM1 CHG_CH1 CHG_CH2 CHG_CH3 CHG_CH4
HV_DEV_PWM2 DEV_CH1 DEV_CH2 DEV_CH3 DEV_CH4
HV_GRID_PWM3 GRID_CH1 GRID_CH2 GRID_CH3 GRID_CH4
HV_DEV_PWM3 DCLN_CH1 DCLN_CH2 DCLN_CH3 DCLN_CH4
HV_GRID_PWM4
HV_DEV_PWM4
HV_DCLN_PWM
GRID_DCDET_N
HV_DCLN_PLUS HVPS PCB(CHG)
HV_GRID_FB4
High voltage power supply
HV_DCLN_FB
HV_DEV_FB4
HV_DEV_FB1
HV_GRID_FB3
HV_GRID_FB1
HV_DEV_FB3
HV_DEV_FB2
HV_GRID_FB2
A3.3V
30
FAN_PGND IMSA-9615S-30C
CN1 CN2
19 HV_TRCC_PWM4 HV_TRCC_PWM4 1 1 HV_TRCC_PWM4
HV_FUSER_PWM HV_FUSER_PWM HV_FUSER_PWM
HV_TRCC_PWM3 HV_TRCC_PWM3 HV_TRCC_PWM3
HV_BCLN1_PWM HV_BCLN1_PWM HV_BCLN1_PWM
HV_TRCC_PWM2 HV_TRCC_PWM2 HV_TRCC_PWM2
HV_BCLN2_PWM HV_BCLN2_PWM HV_BCLN2_PWM
HV_TRCC_PWM1 HV_TRCC_PWM1 HV_TRCC_PWM1
PGND PGND PGND
GND GND GND
PGND PGND PGND
A3.3V A3.3V A3.3V
HV_BCLN1_FB HV_BCLN1_FB HV_BCLN1_FB
HV_FUSER_FB HV_FUSER_FB HV_FUSER_FB
HV_BCLN2_FB HV_BCLN2_FB HV_BCLN2_FB
HV_TRCC_FB4 HV_TRCC_FB4 HV_TRCC_FB4
HV_TRCC_FB1 HV_TRCC_FB1 HV_TRCC_FB1
HV_TRCC_FB3 HV_TRCC_FB3 HV_TRCC_FB3
HV_TRCC_FB2 HV_TRCC_FB2 18 18 HV_TRCC_FB2
1 GND
IMSA-9615S-18A-PP-A
IMSA-9615S-19A-PP-A CN13
1 +24V
+24V 1
+24V
2 PGND
PGND 2
B2B-PH-K-Y
Relay PCB
CN3
LED_VCC 1 1 LED_VCC
B512260
GND GND
REG_MARK_SEN1 3 3 REG_MARK_SEN
B3B-PH-K-E
CN4
CN5
LED_VCC 1 1 LED_VCC
12 LED_VCC GND GND
GND REG_MARK_SEN2 3 3 REG_MARK_SEN
REG_MARK_SEN1 B3B-PH-K-S
LED_VCC
CN6
Thermister
REG_MARK_SEN2
TH2_SEN 2
(Belt
+3.3V
+3.3V 1
(Ambient temperature
TH2_SEN
S2B-PH-K-K with Belt)
LED_CUR
CN7
VO1
VO2 +5V 1
1 +5V
Density
GND GND
GND
sensor
1 +5V VO2
VO2
VO1
B12B-CZHK-B-1 VO1
LED_CUR 5
5 LED_CUR
CN8
53324-0560
53324-0560
3 +24V
CN9
DENS_SOLn
+24V 1 Density sensor
1
PGND
DENS_SOL_n 2
Shutter Solenoid
B3B-PH-K-R
292161-2
Duplex Solenoid
Paper Feed Solenoid
Cleaner halt Solenoid
Regist Solenoid
MP Solenoid
Cleaner Release Solenoid
Optional Lower Tray
CN3
CN6
PE 1 4 PE PE/PO
8 +24V
LED_VCC LED_VCC
SENSOR
PGND
LIFT_SEN LIFT_SEN
PCB
LIFT_DRV
PGND 4 1 PGND
SOL B512178
CAS_SEN B4B-PH-K-M 04DS-8E
LIFT_SEN
PE_SEN
1 REG_SEN PE LIFT
CN4
53253-0810
LED-VCC 1 REGI
3
PGND
(JAM SENSOR)
RESI 3 1
SG-2482A
(Kodenshi)
B3B-PH-K-S S3B-PH-K-S
CN1
Cassette
SW
CAS_SEN 1
detector
PGND 2
Detector switch
B2B-PH-K-E
(SW1AB-258-1:SHINMEI)
CN2
+24V LT1
+24V 1
SOLn 2 Solenoid
B2B-PH-K-R
F1 CN5
+24V
+24V 1 LIFT UP
LIFT_DRV LIFTDRVn 2 Motor
LT-DETn
B02B-PASK-1 ( Motor)
Confidential
BD PCB B512232
1 +3.3V BD1
GND
3 BD_n
BD PCB B512232
BD4
1 +3.3V
GND
3 BD_n
LD PCB B512231
1 LD
TR-B
TR-E
PD
5 GND
LD3
Laser
Scanner
Unit
LD PCB B512231
1 LD
TR-B
TR-E
PD
5 GND
LD1
B512251
B512247
x12
B512247
x12
B512247
x12
B512247
x12
TR-1
TR-2
TR-3
TR-4
FUSER
BCLN1
BCLN2
HVPS PCB
(TR)
High voltage
power supply
Regist MARK
sensor1
B512261
Regist MARK
sensor2
B512261