Brother MFC-9840CDW, DCP-9045CDN 403

Wiring Diagram (1/2)

FRONT COVER OPEN SW					CN37
FRONT COVER OPEN SW			SW		1	+5V	+5V
Interlock Switch			SW		1	+5V	+5V
(SS-3FL30P-3(OMRON))					2	FRONT_COVER_SEN
(SS-3FL30P-3(OMRON))					B2B-EH
					B2B-EH			3.3V
REAR COVER OPEN SW					CN26
REAR COVER OPEN SW			SW		1	REAR_COV_SEN	to CPU(GPIO)	frnt_cov_sen
Detector switch(SW1AB-258-13:SHINMEI)					2	GND		to CPU(GPIO/INT)
					292161-2
Toner enpty/		TONER			CN41			tnr_cmp_pwm
		TONER			CN41
			PNEW_SEN	1	1	PNEW_SEN1	to CPU(GPIO)
New Toner cartridge			GND			GND			AD/C
detect sensor1	PNEW	K	TONER	4	4	TONER		tnr_sen1
			LED_VCC	4	4	LED_VCC	PNEW_LED_VCC	Comp.
B512238					B4B-PH-K-K		(3.3V)
Toner enpty/		TONER			CN40		to CPU(GPIO)		control
Toner enpty/			PNEW_SEN	1	1	PNEW_SEN2	to CPU(GPIO)
New Toner cartridge			GND			GND
detect sensor2	PNEW	Y	TONER			TONER		tnr_sen2
			LED_VCC	4	4	LED_VCC	PNEW_LED_VCC	Comp.	LD
B512238							PNEW_LED_VCC	Comp.	LD
B512238					B4B-PH-K-Y		(3.3V)
Toner enpty/		TONER			CN39
Toner enpty/			PNEW_SEN	1	1	PNEW_SEN3	to CPU(GPIO)
New Toner cartridge			GND			GND
detect sensor3	PNEW	M	TONER			TONER		tnr_sen3
			LED_VCC	4	4	LED_VCC	PNEW_LED_VCC	Comp.
B512238					B4B-PH-K-R		(3.3V)
Toner enpty/		TONER			CN38
Toner enpty/			PNEW_SEN	1	1	PNEW_SEN4	to CPU(GPIO)
New Toner cartridge			GND			GND		tnr_sen4
detect sensor4	PNEW	C	TONER	4	4	TONER
			LED_VCC	4	4	LED_VCC	PNEW_LED_VCC	Comp.
B512238					B4B-PH-K-E		(3.3V)

	CN31
5VI	+5VI	22
(Laser Power)	GND
	AD_PD1
	AD_PD2
	AD_PD4
+5V	AD_PD3
+3.3V	GND
+3.3V	LD_PWR_PWM1
A3.3V	LD_ON1
+5V	LD_PWR_PWM2
AD_PD[3:0]	LD_ON2
	+5V
LD_ENA	+3.3V
	A3.3V
LD_PWR_PWM[3:0]	LD_PWR_PWM4
	LD_ON4
	LD_PWR_PWM3
	LD_ON3
LD_ON[3:0]	LD_ENA
	GND
BD1_n/BD4_n	BD4_n	1
	BD1_n	1

IMSA-9615S-22A-PP-A

FFC

PCB MAIN from

CN1
22	+5VI
	GND				+5VI
	AD_PD1			+5V			n
	AD_PD2		PWR_PWM3			to LD	n
	AD_PD3					to LD	BD1
	AD_PD4			LD_ENA
	GND	+3.3V
	GND			Video3		VR
	LD1_PWR_PWM
	LD1_ON				VR		n
	LD2_PWR_PWM						_
	LD2_ON						BD4
	+5V			+5V	+5VI		BD4
	+3.3V			+5V
	A3.3V		PWR_PWM4
	LD4_PWR_PWM			LD_ENA		to LD
	LD4_ON					to LD
	LD3_PWR_PWM			Video4		VR
	LD3_ON	LCX07
	LD_ENA				VR
	GND
1	BD4_n
1	BD1_n				+5V	+5VI
22FMN-BMTTN-A					+5V	+5VI
CN4		4kbits		PWR_PWM2
1	E2P_SCL	EEPROM		LD_ENA		to LD
	E2P_SDA			Video2
	GND			Video2		VR
	VDO3_P					VR
	VDO3_N		Video3			VR
	GND	receiverLVDS SN65LVDS32DR			+5V
	VDO2_P	receiverLVDS SN65LVDS32DR
	VDO4_P					+5VI
	VDO4_N		Video4
	GND			PWR_PWM1
	VDO1_P			LD_ENA		to LD
	VDO1_N		Video1			to LD
	GND			Video1		VR
15	VDO2_N		Video2			VR

B512230

CN5

+3.3V 1 GND BD_n 3

S3B-PH-K-S

CN3

+3.3V 1 GND BD_n 3

S3B-PH-K-S

CN2

LD 1

TR-B

TR-E

GND 5

S5B-PH-K-S

LD4

LD2

CN6

LD 1

TR-B

TR-E

GND 5

BD PCB B512232

1 +3.3V BD1

GND 3 BD_n

BD PCB B512232 1 +3.3V BD4

GND 3 BD_n

LD PCB B512231

1LD TR-B TR-E PD

5 GND

LD3

Laser

Scanner

Unit

LD PCB B512231

1LD TR-B TR-E

5 GND

Development		CN34	devrel_sen
	DEVREL_SEN 1	1 DEVREL_SEN
Release

15FMN-BMTTN-A

S5B-PH-K-S

LD1

(Temperature in the machine)

sensor

DEVREL

GND

CN1

LED VCC

LED_VCC(3.3V)

Polygon Motor control

Thermister

+3.3V

TH3_SEN

to CPU(ADC)

S2B-PH-K-S

B512243

B5B-PH-K-R

CN11

CN1

cln_rel_sen

Cleaner Release sensor

CLN_REL_SEN 1

CLN_REL_SEN

el_on

GND

CLN-REL

GND

LED VCC

LED_VCC(3.3V)

LED VCC

B512233

292253-3

292161-3

CN36

to CPU(GPIO/INT)

opc1_sen

OPC gear origin

OPC1_SEN

sensor1

OPC1

GND

LED VCC

LED_VCC(3.3V)

B512236

B3B-PH-K-R

CN33

to CPU(GPIO/INT)

opc2_sen

OPC gear origin

OPC2_SEN

sensor2

OPC2

GND

control

LED VCC

LED_VCC(3.3V)

B512236

B3B-PH-K-K

+3.3V

WST TN

CN27

wst_tn_led

LED VCC

WST_TN_LED

MOTOR

GND

1.5V

Waste Toner

WST_TN

WST_TN_SEN1

WST_TN_LED

wst_tn_sen1

Full sensor

GND

Comp.

Toner Full sensor

LED VCC

WST_TN_SEN2

1.5V

B6B-PH-K-Y

wst_tn_sen2

WST

WST_TN

CN10

Comp.

T1 Paper empty

T1_PE

T1_PE_SEN

t1_pe_sen

/Paper edge sensor

T1_PEDG

GND

LED_VCC(3.3V)

ENGINE

LED VCC

t1_pedg_sen

T1_PEDG

T1_PEDG_SEN

B512239

04P-SJN

B4B-PH-K-R

CN8

t1_reg_f_sen

T1 Regist-front

T1_REG_F 3

T1_REG_F_SEN

sensor

REG_F

LED VCC

LED_VCC(3.3V)

GND

B512240

B3B-PH-K-M

CN9

Regist-rear

REG_R

REG_R_SEN

to CPU(GPIO/INT)

sensor

REG_R

GND

LED_VCC(3.3V)

LED VCC

LED_VCC

control

B512242

B3B-PH-K-P

CN7

MP tray

MP_PE

MP_PE_SEN

LED_VCC(3.3V)

mp_pe_sen

Paper empty/Reg-front

LED_VCC

mp_reg_f_sen

MOTOR

MP_PE

REG_F

MP_REG_F

MP_REG_F_SEN

sensor

GND

B512234

B04B-CZHK-B-1

Drawer

fuser_det

Stepping

Thermister

CN1

connector

CN32

to CPU(ADC)

Unit

(Center)

THM1

CN2

+3.3V

EJECT_SEN

to CPU(GPIO/INT)

Thermister

B2B-PH-K-M

GND

LED_VCC(3.3V)

(Edge)

CN3

LED_ON

to CPU(ADC)

THM2

FUSER_THM1

+3.3V

Fuser

Thermostat

292161-2

FUSER_THM2

3.1V

B06B-CZHK-B-1

B6B-PH-K-E

to CPU(ADC)

Comp.

Eject

EJECT

sensor

3.1V

heat_lmt

Halogen heater

B512245

Comp.

control

heat_on

Heater

CN5

LVPS voltage (Low

.C.N AC(N) 3 VH-B2P3

AC(L) 1

CN2

CN101

+24V

PGND

supply) power

B06B-PASK-2

to HVPS(CHG)

S06B-PASK-2

CN103

+24V

F101

PGND

292161-2

CN6

Triac

CN101

AD/C

+3.3V

F201

+3.3V

control

GND

HVPS

GND

+6.8V

F301

GND

+6.8V

AC(N)

AC(L)

HEAT_ON_n 15

1 HEAT_ON_n

B15B-PASK-2

S15B-PASK-2

REG.

+5V

(NEUTRAL)

(LIVE)

+24V

REG.

A3.3V

AD/C

Voltage

Detector

On/Off

INLET

PCB

CN23

10 +3.3V

+3.3V

Vcc

+3.3V

MAIN

GND

A3.3V

GND

Vcc(ADC)

GND

+6.8V

reg_mark_sen1

1,2pin:N.C.

PGND

+24V

S10B-PASK-2

reg_mark_sen2

CN28

PCB

10 BD0n

REVIO0(BD0n)

reg_mark_pwm

BD1n

REVIO1(BD1n)

GND

MAIN

STATUS

UART

dens_led_pwm

COMMAND

STSREQn

VSYNCn

GPIO

CMDREQn

CMDRDYn

1 RESETn

+3.3V

B10B-CZHK-B-1

Engine CPU Clock

RESET IC

dens_sol

10.00MHz

(Vdet=2.8V)

RAM:16kB

ROM:256kB

(Flash)

CLK(20MHz)

dx_sol

CSn/RDn/WRn

A[9:0]

D[7:0]

t1_sol

+3.3V

Vcc

(Logic/ADC)

INT[1:0]n

RSTn

cln_hlt_sol

PNEW_SEN[3:0]

CPU

AIR_FAN_LOCKn

GPIO

lt1_cas_sen

lt1_lift_sen

lt1_reg_sen

reg_sol

lt1_pe_sen

ENGINE

REAR_COV_SEN

reg_r_sen

GPIO/INT

mp_sol

eject_sen

rear_cov_sen

frnt_cov_sen

opc1_sen

opc2_sen

cln_rel_sol

dens_sen1

CLK

4kbits EEPROM

lt1_lift_drv

dens_sen2

I2C/SIO

lt1_sol

heat_thm1

DATA

Temperature and Humidity

heat_thm2

el_current

CLK

to Digital

sensor of outside air

AD/C

CN35

Potentiometer

1 +5V

+5V

DATA

(for reg-mark sensor)

+5V

+3.3V

HU1_SEN

10bit

CHS-CSC-20(TDK)

GND

SEN_LED_ON1

LED_VCC

TH1_SEN

4 TH1_SEN

292250-4

292161-4

+3.3V

(+3.3V)

th2_sen

SEN_LED_ON2

PNEW_LED_VCC

motor_model

GPIO

+3.3V

(+3.3V)

fuser_det

SEN_LED_ON3

th3_sen

Rmark_LED_VCC

(+3.3V)

Fuser_FAN_HIGH

Fuser_FAN_LOW

AIR_FAN

PS_FAN

OPC_FAN

CN43

CN8

CN7

Polygon Motor Unit

+24V

scan_clk/scan_on

PGND

Driver

ON_n

CLK

scan_lock

ON_n

LOCK_n

ON_n

LOCK_n

CLK

LOCK_n

+24V

B5B-PH-K-S

B5B-PH-K-R

B5B-PH-K-S

CN4

EL_24V

EL_CURRENT

GND

(To CPU ADC)

B2B-PH-K-K

Electrode

CN22

dev_lock

LOCK_n

Development

dev_clk

CLK

Drive Motor

Electrode PCB

dev_dir

DIR

Unit

B512251

dev_on

ON_n

Driver

(To CPU ADC)

PGND

PCB

B512247

PGND

motor_model

+24V

1 +24V

+24V

detect

EL_ONn

x12

B9B-PH-K-S

4 EL_ONn

belt_lock

CN17

LOCK_n

Belt Drive

Relay

04P-SJN

belt_clk

LOCK_n

belt_dir

CLK

Motor Unit

PCB

B512247

DIR

Driver

1 +24V

belt_on

+24V

ONn

x12

detect

+24V

EL_ONn

PGND

+24V

EL_ONn

04P-SJN

B7B-PH-K-R

Relay

CN16

cln_lock

LOCK_n

Paper feeding/

PCB

B512247

cln_clk

LOCK_n

+24V

cln_dir

CLK

Belt cleaner

DIR

Motor Unit

+24V

cln_on

ONn

EL_ONn

x12

PGND

Driver

4 EL_ONn

B512247

+24V

PCB

PGND

Relay

04P-SJN

+24V

sen_led_on1

detect

9 detect

+24V

B9B-PH-

K-K

+24V

devrel_in[3:0]

BD6775EFV

CN42

EL_ONn

x12

+24V/+5V

Driver:

4 EL_ONn

devrel_pha/b

PH_A

Development

devrel_vref_pwm

Relay

04P-SJN

PH_A_n

PH_B

Release Motor

PH_B_n 4

opc1_in[3:0]

B4B-PH-K-S

FUSERFAN

MTD2035GMTD2035G

CN15

opc1_pha/b

Driver:Driver:

B4B-PH-K-M

FANOPC

FANPS

FANAIR

FANBrawer

VCCLED

GND

VCCLED

GND

VCCLED

GND

VCCLED

GND

PH_B_n 4

OPC DRUM Drive

LEDToner

B512237

LEDToner

B512237

LEDToner

B512237

LEDToner

B512237

PH_A

PH_A_n

MOTOR1

+24V/+5V

PH_B

opc_vref_pwm

B4B-PH-K-S

CN14

+24V/+5V

PH_A

OPC DRUM Drive

opc2_in[3:0]

PH_A_n

MOTOR2

opc2_pha/b

PH_B

PH_B_n

1 2

+24V

OPC_FAN

CN30

OPC_FAN_POWER

FUSER_FAN_HIGH

PGND

B2B-PH-K-Y

PCB

LVPS

from

PGND

ALEDTNR1

KLEDTNR2 S-K-PH-S2B

ALEDTNR1

KLEDTNR2 S-K-PH-S2B CN8

ALEDTNR1

KLEDTNR2 S-K-PH-B2B

CN3 FANFUSER

2PGND

CN9

POWFANPS 2PGND

CN4

POWFANAIR

NLOCK 3PGND 1-B-CZHK-B03B

CN5 1ALEDTNR

2KLEDTNR S-K-PH-S2B

CN6

CN7

TNR_LED

TNR_LED_K

FUSER_FAN_LOW

+24V

CN2

B2BPH--K-K

2921612- 1

FUSER_FAN_POW

AIR_FAN

CN21

292161-2

CN1

FFC

PS_FAN

FUSER_FAN_POW

AIR_FAN_POW

PS_FAN_POW

FAN_PGND

+24V

GND

to CPU(GPIO)

AIR_FAN_LOCKn

AIR_FAN_PGND

GND

HV_DEV_PWM[4:1]

GND

HV_DEV_PWM1

LED

HV_GRID_PWM2

HV_GRID_PWM[4:1]

HV_GRID_PWM1

CHG_CH1

CHG_CH2

CHG_CH3

CHG_CH4

HV_DEV_PWM2

DEV_CH1

DEV_CH2

DEV_CH3

DEV_CH4

TNR

HV_DCLN_PWM

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

GRID_DCDET_N

HV_DEV_PWM4

HV_DCLN_PWM

HV_DCLN_ON

GRID_DCDET_N

HVPS PCB(CHG)

HV_DCLN_PLUS

HV_GRID_FB4

High voltage power supply

+5V

HV_DCLN_FB

HV_DEV_FB[4:1]

HV_DEV_FB4

HV_DEV_FB1

HV_GRID_FB[4:1]

HV_GRID_FB3

HV_GRID_FB1

HV_DCLN_FB

HV_DEV_FB3

HV_DEV_FB2

HV_GRID_FB2

A3.3V

FAN_PGND

IMSA-9615S-30C

IMSA-9615S-30A-PP-A

CN20

FFC

CN1

CN2

HV_TRCC_PWM4

TR-1

HV_TRCC_PWM[4:1]

HV_FUSER_PWM

TR-2

HV_TRCC_PWM3

TR-3

HV_BCLN[2:1]_PWM

HV_BCLN1_PWM

TR-4

HV_TRCC_PWM2

HV_FUSER_PWM

HV_BCLN2_PWM

HV_TRCC_PWM1

FUSER

PGND

GND

BCLN1

PGND

BCLN2

A3.3V

+5V

HV_BCLN1_FB

HV_TRCC_FB[4:1]

HV_FUSER_FB

HV_BCLN2_FB

HVPS PCB

HV_BCLN[2:1]_FB

HV_TRCC_FB4

(TR)

HV_TRCC_FB1

HV_FUSER_FB

HV_TRCC_FB3

High voltage

HV_TRCC_FB2

power supply

GND

IMSA-9615S-18A-PP-A

IMSA-9615S-19A-PP-A

CN13

LEDVCC (+3.3V)

+24V

CPU

CLK

LED_VCC

PGND

+3.3V

Relay PCB

CN3

B2B-PH-K-Y

Digital

Regist MARK

DATA

Potentiometer

Rmark

B512260

GND

sensor1

B3B-PH-K-E

3 REG_MARK_SEN

B512261

REG_MARK_SEN1

CN4

CN29

CN5

Regist MARK

Comp.

LED_VCC

1 LED_VCC

sensor2

LED_VCC

GND

REG_MARK_SEN2

3 REG_MARK_SEN

REG_MARK_SEN1

B3B-PH-K-S

B512261

Comp.

LED_VCC

CN6

Thermister

+3.3V

REG_MARK_SEN2

TH2_SEN

+3.3V

(Belt

LED_CUR

TH2_SEN

+3.3V

(Ambient temperature

LED_CUR

S2B-PH-K-K

with Belt)

+5V

VO1

CN7

+5V

VO2

+5V

Density

to CPU(ADC)

GND

sensor

dens_sen1/2,thm2_sen

+5V

VO2

B12B-CZHK-B-1

VO1

CN24

CN8

LED_CUR

+24V

53324-0560

CN9

DENS_SOLn

+24V

Density sensor

PGND

B3B-PH-K-R

DENS_SOL_n

Shutter Solenoid

292161-2

CN25

+24V

DX_SOL_n 2

Duplex Solenoid

B2B-PH-K-M

CN12

+24V

Paper Feed Solenoid

T1_SOL_n 2

CN13

B2B-PH-K-E

+24V

Cleaner halt Solenoid

CLN_HLT_SOLn

CN2

B2B-PH-K-S

+24V

Regist Solenoid

REG_SOL_n 2

CN3

B2B-PH-K-M

+24V

MP Solenoid

MP_SOL_n 2

+24V

CN1

B2B-PH-K-Y

+24V

Cleaner Release Solenoid

CLN_REL_SOLn

B2B-PH-K-S

Optional Lower Tray

CN19

CN6

CN3

+24V

PE/PO

PGND

LED_VCC

SENSOR

LIFT_SEN

PCB

LT1_LIFT_DRV

LIFT_DRV

PGND

LT1_SOL

SOL

B512178

lt1_cas_sen

LT1_CAS_SEN

CAS_SEN

B4B-PH-K-M

04DS-8E

lt1_lift_sen

LT1_LIFT_SEN

LIFT_SEN

lt1_pe_sen

LT1_PE_SEN

PE_SEN

lt1_reg_sen

LT1_REG_SEN

REG_SEN

LIFT

(to CPU GPIO)

B08B-CZHK-B-1

connector

53253-0810

+24V

CN4

Drawer

RELAY

LED-VCC

REGI

PGND

(JAM SENSOR)

RESI

SG-2482A

B3B-PH-K-S

S3B-PH-K-S

(Kodenshi)

CN1

Cassette

CAS_SEN

B512183

PGND

detector

PCB

+24V

LT1

B2B-PH-K-E

Detector switch

(SW1AB-258-1:SHINMEI)

CN2

Solenoid

SOLn

Engine PCB

B2B-PH-K-R

+24V

CN5

B512250

+24V

LIFT UP

LIFT_DRV

LIFTDRVn

Motor

LT-DETn

B02B-PASK-1

(

Motor)

6-10	Confidential