Development unit

1bin unit

D1475237

D1495333

Fan Harness Inserted

D1495322

Toner supply unit

Toner supply unit

Toner supply unit

Toner supply unit

D1475340

D1495307

D1495308

ImagingIOB2/2

D1495324

D1495371（mini CT：D1495398）

PTR unit

Harness(Units)

Harness(Main)

D1495341（100Ｖ models）

D1475340

Fusing unit

D1475301

D1755329

CN

1

D1495328

CN

1

JC

N2

CN

2

D1755326

D1475308

D1495302

Registration unit

Paper Exit unit

Paper Transport

IOB

Duplex Entrance Motor M１

CNPTR Open/Close Sensor

CN

161

CNFusing Entrance Sensor

CNRight Door Open/Close Switch

CNPaper Exit Solenoid

CNInversion Motor

CNPaper Exit Sensor

CN

CN

14

CN

11

CN

5

SOL2

M３

CN

2JC

N2

CNLift Motor / Tray lift Sensor (1st Feed Tray)

CNTray set switch(1st Feed Tray)

CN

6C

N7

M9

CNRegistration Sensor

Registration Motor

CN

CN

157

CN

5

CN

CN

6

M4

Paper Exit / Pressure Release Motor

M5

Paper Feed Motor

CN

CN

7

CN

CN

8

M6

Transport Motor M7

CNFusing Exhaust Heat Fan

Ozone Exhaust Fan

CN

153

CN

161

CN

162

CN

159

CN

157

CN

153

CN***Bridge unit / Shift Tray /

Exit TrayCN

19

CN*** Bridge unit / Exit Tray

CN

20

CN

251

CN***

1bin Tray

CN

251

Imaging IOB1/2

2Piece FFC40pin

CN

163

CN578 IPU

CN

578

CN

163

CN

164

PCU Motor: CMYM16

CN Development Motor: CMY

CN

200

CN

CN

2

HST Sensor: KCN***

Toner End Sensor: K

CN

CN

205

CN

Toner End Sensor: C

CN Temperature/Humidity Sensor K

CN Developing Air Intake Fan:Right

CN Developing Air Intake Fan:Left

CN

209

M17

ITB Contact and Release Sensor

CN PTR Separation Sensor

CN

CN

＊*

CNPaper Transfer Contact

MotorM19

CN Toner Bottle Drive Motor: C

CN

203

CN

2JC

N2

ID Chip: KCN

M13

CN Toner Bottle Drive Motor: KCN

1JC

N1

M12

CN Toner Bottle Drive Motor: Y

JC

N4

M15

CN Toner Bottle Drive Motor: MCN

3JC

N3

M14

Toner End Sensor: M

CN

CN

Toner End Sensor: Y

CN Paper Exit Cooling Fan

CN800 HVP CB

CN

211

CN

205

CN

203

CN

207

CN

207

CN

209

CN

200

CN

211

Thermopile (edge)

CN

CN

Thermopile (center) CN Controller Box Cooling FanC

N216

CN

4

CN Toner supply cooling Fan

CN

156

CN

216

CN Key-counter

CN

254

CN

254

CN750 MKB

CN

253

CN

253

CN994 PSU (AC Controller Board)

CN

3

Fusing Motor CNM8

JC

N*

CN

10

JC

N9

CN

9

CN

*

CN

750

CN

1C

N5

JC

N2

JC

N3

CN

3C

N2

JC

N5

CN

1 （D

raw

er）

Dra

wer

（11029782）

Dra

wer

CN

*C

N＊

*

CT miniCT MiⅡ miniMiⅡ JST Other

[5]

CN

1

JC

N17

CN

2

CN

2

JC

N1

CN

1

CN

4

CN

162

CN

160

CN

160

CN

155

CN

155

JC

N1

CN

1

D1495306

CN

256

CN

256

CN

1C

N2

CN914 PSU: DC

CN

914

CN***

Bank

CN***

Dra

wer

（11028534）

Dra

wer C

N*

CN

＊*

CN

1C

N2

CN913 PSU: DC

CN

913

CN***

Finisher

CN***

Lat

tice

（11028502）

Lat

ticeC

N*

CN

＊*

[1]

CN

164

CN

201

CN

201

CN

9

CN

5

JC

N14

CN

**

CN

14

CN

204

CN

204

JC

N13

CN

13

CN

2C

N3

CN

4C

N5

JC

N2

JC

N3

JC

N4

JC

N5

CN

1

CN

3

CN

3

JC

N18

CN

1

CN

6C

N5

CN985

PSUAC Controller Board

CN986

CN

7 （D

raw

er）

T1

CN

985

CN

986

4pin

1pin

[2]

[9]

[10]

(1/3)

CNInversion Sensor CN

4

See the diagram 1/2

Interlock Switch: Front Cover (LD Safety Switch)

Interlock Switch: Duplex Unit (LD Safety Switch)

CN

213

CN

213

CN

*

2pinCN917 PSU: DC

CN

917

[8]

Paper feed unit

Lift Motor / Tray lift Sensor (2nd Feed Tray)

CN

CN

158

CNSize Switch

(2nd Feed Tray)

CNTransport Sensor (2nd Feed Tray)

CNPaper End Sensor (2nd Feed Tray)

CNLimit Sensor

(2nd Feed Tray)

CN

1

CN

CN

2C

N3

CN

3C

N5

M10

CN

4

CN

158

JC

N5

CN

1

CN

5

[17]

See the diagram 1/2

CN

152

CN911

CN

251

CN912

PSU: DC

CN

252 C

N152

[3]

GND

AMPminiCT

18pin

AMPminiCT

40pin

AMPminiCT

28pin

AMPminiCT

30pin

AMPminiCT

7pin

AMPminiCT

14pin

AMPminiCT

32pin

AMPminiCT

19pin

AMPminiCT

17pin

MolexminiMi

Ⅱ

7pin

AMPminiCT

6pin

Molex3.5mm4pin

AMPminiCT

10pin

HF512S

40pin

AMPminiCT

18pin

AMPminiCT

17pin

AMPminiCT

26pin

AMPminiCT

19pin

AMPminiCT

20pin

AMPminiCT

40pin

AMPminiCT

32pin

AMPminiCT

32pin

Molex3.5mm

2pin

JSTCZ

36pin

AMPminiCT

14pin

AMPminiCT

4pin

MolexminiMi

Ⅱ

13pin

CT/3pin

AMP

CT/3pin

AMP

AMP

AMP

AMP

AMP

CT/2pin

AMP

CT/10pin

AMP

CT/10pin

AMP

CT/10pin

AMP

JC

N1

CT/3pin

AMP

CT/2pin

AMP

CT/5pin

AMP

CT/5pin

AMP

CT/3pin

AMP

AMP

CT/2pin

AMP

MiⅡ/5pin

Molex

CT/2pin

AMP

AMP

CT/3pin

AMP

CT/4pin

AMP

CZHR/8pin

JST

CT/2pin

AMP

CT/3pin

AMP

CT/3pin

AMP

CT/2pin

AMP

AMP

AMP

AMP

CT/3pin

AMP

AMP

AMP

AMP

1mm/6pin

JST

CT/4pin

AMP

CT/3pin

AMP

CT/3pin

AMP

miniCT/4pin

AMP

Power supply connecter/4pin

Molex

MiⅡ/13pin

Molex

CT/4pin

AMP

CT/4pin

AMP

CT/3pin

AMP

Unknown

Turning point

JC

N1

CN

2

CN

1

CN

10

ID Chip: CCN

ID Chip: MCN

ID Chip: YCN

CN Imaging Temperature SensorCT/2pin

AMP

HVP TTSCN802 [19]miniCT/10pin

AMP

CN

219AMP

miniCT

13pin

CN Fusing Exit Sensor

CN

2

CT/3pin

AMP

CN

151

CN

221

Waste toner bottle unitCN Waste toner capacity sensor

CN

2

CN Waste toner bottle set switch

JC

N1

CN

1

CN

5

CT/3pin

AMP

CT/2pin

AMP

CN

4C

N6

CN

7C

N8

CN

＊*

CN

218

CN

218

CN

217

CN

217

MolexminiMi

Ⅱ

18pin

MolexminiMi

Ⅱ

4pin

Laser Unit

CN

220

Skew Motor: Y

CN Skew Motor: M

CN

4

CN

CN

5

M24

M25

CN

220

Skew Motor: C

CN

6

CN M26

JC

N4

CN

4

CN

220

MiⅡ/5pin

Molex

Molex

Molex

D1495372 (mini CT：D1495399)BCU

2 piece FFC50pin

CN

214

[7]CN103HF512S

50pin

1st Paper Feed Tray

CNTransport Sensor(1st Feed Tray)

CNPaper End Sensor(1st Feed Tray)

CNLimit Sensor (1st Feed Tray)

CN

3C

N5

CN

4

JC

N9

CN

1

miniCT/3pin

AMP

CT/3pin

AMP

CT/3pin

AMP

CN PSU Cooling Fan

JC

N2

CT/3pin

AMP

CN

2

CN

156

CN

159

CZHR/8pin

JST

CZHR/8pin

JST

CZHR/8pin

JST

CZHR/8pin

JST

CN Pressure Roller HP SensorCT/3pin

AMP

CN

18

JC

N*

miniCT/11pin

AMP

CN

*JC

N*

AMP

AMP

AMP

D1495330

CN

10

CN

13

CN

17

JC

N2

CN

1

CN

2JC

N2

CN

2JC

N2

CN

2

CN

1

JC

N2

CN

2

CN

1C

N1

CN

18

JC

N18

D1495334

D1495334

D1495334

D1495334

4.2mm/8pin

Molex

4.2mm/6pin

Molex

CNPCU: Black / Image Transfer

MotorCN

7

M18CT/15pin

AMP

CN***

CN

2

JC

N3

CN

3 CN*** 1bin LED

(1/4)

HF512S

40pin

(2/4)

CN

167 AMP

miniCT

4pinCN

167

CN

CN

Fusing Shield Position Sensor 1CN

4C

N3

CT/3pin

AMP

CT/3pin

AMP

(1/2)

(2/2)

CN

168AMP

miniCT

5pin CN

168

CN

CN

3

CT/4pin

AMP

Fusing Shield Drive Motor

JC

N19

CN

1

CN

19

CN

994

CN

154AMP

CT

4pin CN

1C

N166

CN

166AMP

miniCT

3pin

D1495325

CN

222

Toner Transport Motor: K

CNToner Transport Motor: C

CN

1

CN

CN

2

M20

M21

Toner Transport Motor: M

CN Toner Transport Motor: Y

CN

3

CN

CN

4

M22

M23

CN

222AMP

miniCT

16pin

CT/4pin

AMP

AMP

AMP

AMP

CN

1C

N11

CN

12

CN

800

CN

3C

N802

Fusing Shield Position Sensor 2

MiⅡ/7pin

Molex

CT/3pin

AMP

miniCT/3pin

AMP

CN

151

CN

221

miniCT/14pin

AMP

miniCT/3pin

CT/3pin

miniCT/10pin

AMP

MiⅡ/8pin

Molex

MiⅡ/7pin

Molex

miniCT/6pin

AMP

miniCT/2pin

AMP

CT/2pin

AMP

CZ/36pin

JST

miniCT/4pin

AMP

7.92mm/2pin

6.5mm/2pin （200V models: Not used）

Molex

CT/2pin

CT/2pin

CT/2pin

miniCT/4pin

miniCT/4pin

miniCT/4pin

CT/3pin

AMP

CT/3pin

AMP

CT/3pin

AMP

CT/3pin

AMP

CT/3pin

CT/3pin

CT/3pin

CT/3pin

AMP

miniMiⅡ/10pin

Molex

miniMiⅡ/9pin

Molex

miniMiⅡ/8pin

Molex

miniMiⅡ/9pin

Molex

MiⅡ/8pin

Molex

CT/3pin

AMP

miniCT/11pin

AMP

CT/3pin

CT/3pin

miniCT/32pin

AMP

miniCT/32pin

AMP

CZHR/8pin

JST

CZHR/8pinJST

CZHR/8pinJST

CZHR/8pinJST

CT/3pin

CT/3pin

CT/4pin

CT/4pin

CT/4pin

CN

214

CN

103

CT/15pin

AMP

MiⅡ/5pin

MiⅡ/5pin

Molex

4.2mm/4pin

HF512S/50pin

Development unitHST Sensor: CCN***

CN

1

CN

3

1mm/6pin

JST

Quenching Lamp

Development unitHST Sensor: MCN***

CN

1

CN

3

1mm/6pin

JST

Development unitHST Sensor: YCN***C

N1

CN

3

1mm/6pin

JST

D1495342（200Ｖ models）

CN

3

CN

*

CN

*

D1754499

D1473472

D1473472

D1473472

D1473472

D1752708

D1752708

CN

3JC

N3

D1476237

D1492556

(1/2) D1475235 (1/2)

AMPminiCT

15pin

CS/13pin

JST

CS/11pin

JST

CT/4pin

AMP

CN

*

CN

*

CN

219

CN Development SolenoidSOL

5CN

8JC

N8

CT/2pin

AMP

CN

AMP

CT/2pin

CN

6

Quenching LampCN

AMP

CT/2pin

CN

6

Quenching LampCN

AMP

CT/2pin

CN

6

Quenching LampCN

AMP

CT/2pin

CN

6

CN

15JC

N15

CN

16JC

N16

miniCT/18pin

AMP

CT/14pinAMP

Duplex unit

By-pass unit

By-pass unit

Duplex unit

CNBy-pass/Duplex Motor

CNDuplex Entrance Sensor

CNDuplex Exit Sensor

CNDuplex Unit Open/Close Sensor

By-pass Pick-up Solenoid SOL1

CNBy-pass Paper End Sensor

CNBy-pass Paper length Sensor

CNBy-pass Paper Size Sensor

CN

2C

N6

CN

5

CN

CN

3C

N2

CN

3C

N3

CT/3pin

AMP

CT/3pin

AMP

CT/3pin

AMP

CT/3pin

AMP

CT/2pin

AMP

CT/3pin

AMP

CT/7pin

AMP

CZHR/8pin

JST

D1474698

D1494743

CN

1JC

N1

CN

1JC

N1

D1492659

By-pass unit

CN

2C

N3

D1492661

CN

1

D1494696

CN

1

CN

4JC

N4

CN

1

miniCT/5pin

AMP

CT/9pin

AMP

CT/5pinAMP

CN

2

CN

9C

N17

Tray Set switch (2nd Feed Tray)

D176/D177 POINT TO POINT DIAGRAM

(1 / 2)

AMP

miniCT/15pin

AMP

miniCT/14pin

63

64

65 55

54

JC

N6

CN

6 SOL4

AMP

CT/2pinCN

CNPick-up Solenoid(1st Feed Tray)

SOL3 CT/2pin

AMP

CN

3JC

N3

Pick-up Solenoid (2nd Feed Tray)

M２

M11

SEN1

SEN2

SEN3

SEN4

SEN5

SEN6

SEN7

SEN8

SEN9

SEN10

SEN11

SEN12

SEN13

SEN14

SW8

SEN16

SEN17

SW7

SEN18

SEN19

SEN20

SEN21

SEN22

SEN23

SEN24

SEN25

SEN26

SEN27

SEN28

SEN29

SEN30

SEN31

SEN37

SEN33

SEN32

SEN34

SEN35

SEN36

SW1

SW2

SW3

SW4

SW5

FAN4

FAN5

FAN1

FAN2

FAN3

FAN6

FAN7

FAN8

PCB1

PCB2

PCB3

PCB13

PCB11

PCB6

PCB11

LED1

TH1

TH2

PCB7

PCB8

PCB9

PCB10

L1

L1

L1

L1

PCB6

PCB15

PCB6

PCB6

PCB4

PCB5

PCB5

Laser unit

Laser unit

D1495235 (2/2)D1475237

D1496205

WBG685710

D1495361

D1495392

Fusing unit

Pressure Thermistor: End

Pressure Thermistor: Full-Bleed Edge

CNNon-Contact Thermistor

(Center)

Non-Contact Thermistor (Edge)

CN New unit Detection fuse

JC

N5

JC

N8

JC

N7

JC

N6

CN

5C

N8

CN

7C

N6

Heating Roller: Center/N

Pressure Roller: Center/L

Heating Roller: End/N

T4

T1

GND

See the diagram 1/2

[9]

For Paper Transport

IOB

[10]

CN

1（D

raw

er）

CN

3C

N2

CN Pressure Thermistor: Center

JC

N4

CN

4

miniCT/2pin

AMP

Set Detection: GND

Set Detection: NA

Short-curcuit to each destination

Set Detection: EU

Set Detection: Sub(JPN)

Set Detection: Sub(TWN)

For PSU：AC

CN

5C

N6

[9]

For Paper Transport

IOB

CN

1（D

raw

er）

AMPminiCT10pin

Scanner Harness

D1495347

Harness (Unit)Harness (Main)

Wire Contact

Wire Contact

D1475365

D1475301

D1475308BCU

D1475308

D1495356

PSU (AC controller

board)

HVP:CB

HVP:TTS

IPU

Controller Board

SIO

Inlet

T900

CN

577

Main Power Switch C

N

T1 Power Cord

CN

577

PCU: DC

D1495358

CN

988

CN

988

CN

901

CN

901

See the diagram 1/2

CN

914

CN

914

[1]

See the diagram 1/2

CN

913

CN

913

[2]

For Bank

For Finisher

CN

912

CN

915

CN

915

CN

911

CN

911

CN

576

ID Sensor

CN

105

CN

CN

105

CN

2

ID SensorCN

CN

3

ID SensorCN

CN

4

See the diagram 1/2

For Imaging IOB [7]FFC50pin

CN

103

D1495345

CN

575

CN

575

CN

101

CN

101

D1495370（mini CT：D1495397）

2pieceFFC50pin

CN

574

CN

100

PTR IOBCN

152

CN

310

See the diagram 1/2

10pin

CN

578

CN

578

⑤ For PTR IOB

[3]

See the diagram 1/2

CN

994

CN

994

[11]For Paper Transport IOB

See the diagram 1/2

CN

986

CN

986

[10]For Fusing unit

CN

802

CN

802

[19]Imaging IOB

Terminal Blocks(Toner)

T6

T7

T8

T9

T10

ITB unit

PCDU: K (Charge unit)**

**

PCDU: K (Development unit)*

**

*

See the diagram 1/2

20pin

CN

800

CN

800

[17]For Imaging IOB

PTR unit

PCDU: C (Charge unit)

PCDU: M (Charge unit)

PCDU: Y (Charge unit)

CN

*

CN

*

Board to Board

AMPminiCT22pin

AMPminiCT

3pin

AMPminiCT

10pin

AMPminiCT22pin

AMPminiCT15pin

AMPminiCT20pin

AMPminiCT

10pin

AMPminiCT11pin

CN

985

CN

9857.92mm

2pin

Molex6.5mm2pin

JST3.96mm

6pin

JST3.96mm

8pin

JST7.92mm

2pin

MolexMiⅡ

8pin

MolexMiⅡ

7pin

Molex4.2mm

6pin

Molex3.5mm

4pin

JST3.96mm

4pin

miniCT/5pin

AMP

miniCT/5pin

AMP

miniCT/5pin

AMP

CTminiC

TMiⅡ miniMiⅡ JST Other Unknown

CN

1

JC

N2

CN

2

CN

11

JST7.92mm

2pin

D1475301

CN

997

CN

997

CN

1AMPCT2pin

2pin

2pin

CN

152

CN

912

AMPCT

2pinTools for Fusing RelayJC

N1

(3/3)

CN

5

CN

576

(4/4)

CN

310

Note to the position of 1-N pin

CT/2pin

AMP

CN

564

CN

566

CN

564

CN

566

CN

***

CN

1C

N3

CN

2

CN

***

CN

2

CN

***

CN

1

CN

11

CN

***

CN

***

CN

2

CN

1

CN

***Molex

miniMiⅡ

15pin

T901

T900

T90

1

JSTPS-250

1pin

JSTPS-250

1pin

CN

***

BA

CN

***USB A

4pin

USBminiB5pin

CN

574

CN

100HF512S

50pinHF512S

50pin

CN

589

CN

589 AMP

CT

2pin(3/4)

(2/3)

miniCT/15pin

AMP

CT/2pin

AMP

Turning pointHeater Board

(Option)

CN

998

CN

998

CN

922

CN

922

D1495394

Molex3.5mm

3pin

Molex3.5mm

3pin

CN

999

CN

999

CN

930

CN

930

D1495395

AMPCT3pin

AMPCT3pin

CN

989

CN

989

CN

2

Molex4.2mm

6pin

CN

989

CN

989

CN

1C

N2

Molex4.2mm

6pin

D1495393

CN4.2mm/2pin

AMP

CN4.2mm/2pin

AMP

Bank HeaterCN

4.2mm/2pin

AMP

Paper Feed HeaterCN4.2mm/2pin

AMPPaper Feed Heater (Option)Bank Heater (Option)

CN

1

CN

2

CN

1

D1494321 (NA)

CN

9

ELR-02V/2pin

JST

CN

5

miniCT/4pin

AMP

MiⅡ/4pin

Molex

CNMolex

MiⅡ/3pin

Molex

MiⅡ/2pin

JC

N2

MolexminiMi

Ⅱ15pin

Spring plate Contact

D1495209

CN

1

XLR-04V/

4pin

JST

D1495202

CN

318

CN

318

CN

**

AMPminiCT6pin C

N1

CN

**

CN

2

D1495204CN

314

CN

314

CN

**AMP

miniCT6pin C

N1

CN

311AMP

miniCT30pin C

N311

CN

579AMP

miniCT30pin C

N579

D1775321

CN

1

ImagingIOB[8]

CN

213

Interlock Switch: Front Cover (LD Safety Switch)

Interlock Switch: Duplex Unit (LD Safety Switch)

2pinMolex3.5mm

2pin

CN

2

4pin

CN

917

JST3.96mm

4pinC

N917

D1495206

CN

313

CN

313 C

N**

AMPminiCT6pin

Auto Paper Size detection Sensor 2

CN

2

CN

**

CN

1

CN

315

CN

315

CN

301AMP

miniCT13pin C

N301

DF Position Sensor

Scanner Home Position Sensor

Scanner Motor

SBU

Auto Paper Size detection Sensor 1

HF512S

50pin

(2/2)

AMPminiCT

34pin

AMPminiCT

11pin JC

N3

JC

N1

miniCT/32pin

AMP

CT/11pin

AMP

CN

*** Synchronizing

Detector Board: M/Y-SC

N1

CN

***

Polygon Mirror MotorC

N3

Synchronizing Detector Board: Bk/C-S

D1475236

AMPminiCT

15pin

AMPminiCT

14pin

CT/3pin

AMP

CT/3pin

AMP

MiⅡ/5pin

Molex

CT/3pin

AMP

CT/3pin

AMP

CT/3pin

AMP

CT/3pin

AMP

miniCT/13pin

AMP

miniCT/6pin

AMP

CN

213

T1

T2

T3

T4

T5

No.1

No.2

No.3

No.4

PCU Anti-condensation Heater

Scanner Anti-condensation Heater

D176/D177 POINT TO POINT DIAGRAM

(2 / 2)

D1494322 (EU)

TH9

TH10

SEN40

PCB16

PCB14

PCB12

PCB15

TH6

TH7

TH8

TH3

TH4

TH5

H1

H2

H3

H4

SEN40

SEN40

SW4

SW5

PCDU: C (Development unit)

PCDU: M (Development unit)

PCDU: Y (Development unit)

SEN42

SEN41

SEN43

SEN44

SW6

PCB13

PCB17

PCB18

PCB19

M27

M28

D176/D177 Harness Pin Assignment

1 Fusing Cooling Fan: +24V (CTRL) 3 1 Pick-up Solenoid (1st Feed Tray): Terminal1 142 Fusing Cooling Fan: LOCK Sensor Signal 2 2 Pick-up Solenoid (1st Feed Tray): Terminal2 133 Fusing Cooling Fan: GND 1 3 Paper Feed Sensor (1st Feed Tray): GND 124 Registration Sensor: GND 3 4 Paper Feed Sensor (1st Feed Tray): Sensor Signal 115 Registration Sensor: Sensor Signal 2 5 Paper Feed Sensor (1st Feed Tray): +5V 106 Registration Sensor: +5V 1 6 Transport Sensor (1st Feed Tray): GND 97 Fusing Motor: GAIN 10 7 Transport Sensor (1st Feed Tray): Sensor Signal 88 Fusing Motor: CLOCK 9 8 Transport Sensor (1st Feed Tray): +5V 79 Fusing Motor: BRK 8 9 Paper End Sensor (1st Feed Tray): GND 6

10 Fusing Motor: ROTATE 7 10 Paper End Sensor (1st Feed Tray): Sensor Signal 511 Fusing Motor: ON 6 11 Paper End Sensor (1st Feed Tray): +5V 412 Fusing Motor: Fusing Motor LOCK 5 12 Limit Sensor (1st Feed Tray): GND 313 Fusing Motor: GND 4 13 Limit Sensor (1st Feed Tray): Sensor Signal 214 Fusing Motor: GND 3 14 Limit Sensor (1st Feed Tray): +5V 115 Fusing Motor: 24VS2 2 1 N.C.16 Fusing Motor: 24VS2 1 2 N.C.17 N.C. N.C. - - 3 Fusing Entrance Sensor: GND 318 Right Door Open/Close Switch: SW Terminal2 2 4 Fusing Entrance Sensor: Sensor Signal 219 Right Door Open/Close Switch: SW Terminal1 1 5 Fusing Entrance Sensor: +5V 11 Registration Motor: ENC: A Phase 8 6 PTR Open/Close Sensor: GND 32 Registration Motor: ENC: B Phase 7 7 PTR Open/Close Sensor: Sensor Signal 23 Registration Motor: +5V 6 8 PTR Open/Close Sensor: +5V 14 Registration Motor: CW/CCW (Low) 5 9 N.C. N.C. - -5 Registration Motor: PWM 4 10 N.C. N.C. - -6 Registration Motor: BRK (Low) 3 11 N.C. N.C. - -7 Registration Motor: GND 2 12 N.C. N.C. - -8 Registration Motor: +24VS2 1 13 Duplex Entrance Motor: ENC: A Phase 89 Paper Exit Motor: ENC: A Phase 8 14 Duplex Entrance Motor: ENC: B Phase 7

10 Paper Exit Motor: ENC: B Phase 7 15 Duplex Entrance Motor: +5V 611 Paper Exit Motor: +5V 6 16 Duplex Entrance Motor: CW/CCW (Low) 512 Paper Exit Motor: CW/CCW (Low) 5 17 Duplex Entrance Motor: PWM 413 Paper Exit Motor: PWM 4 18 Duplex Entrance Motor: BRK (Low) 314 Paper Exit Motor: BRK (Low) 3 19 Duplex Entrance Motor: GND 215 Paper Exit Motor: GND 2 20 Duplex Entrance Motor: +24VS2 116 Paper Exit Motor: +24VS2 1 21 By-pass/Duplex Motor: ENC: A Phase 1817 Paper Feed Motor: ENC: A Phase 8 22 By-pass/Duplex Motor: ENC: B Phase 1718 Paper Feed Motor: ENC: B Phase 7 23 By-pass/Duplex Motor: +5V 1619 Paper Feed Motor: +5V 6 24 By-pass/Duplex Motor: CW/CCW (Low) 1520 Paper Feed Motor: CW/CCW (Low) 5 25 By-pass/Duplex Motor: PWM 1421 Paper Feed Motor: PWM 4 26 By-pass/Duplex Motor: BRK (Low) 1322 Paper Feed Motor: BRK (Low) 3 27 By-pass/Duplex Motor: GND 1223 Paper Feed Motor: GND 2 28 By-pass/Duplex Motor: +24VS2 1124 Paper Feed Motor: +24VS2 1 29 Duplex Entrance Sensor: GND 1025 Transport Motor: ENC: A Phase 8 30 Duplex Entrance Sensor: Sensor Signal 926 Transport Motor: ENC: B Phase 7 31 Duplex Entrance Sensor: +5V 827 Transport Motor: +5V 6 32 Duplex Exit Sensor: GND 728 Transport Motor: CW/CCW (Low) 5 33 Duplex Exit Sensor: Sensor Signal 629 Transport Motor: PWM 4 34 Duplex Exit Sensor: +5V 530 Transport Motor: BRK (Low) 3 35 Duplex Unit Open/Close Sensor: SW Terminal2 431 Transport Motor: GND 2 36 Duplex Unit Open/Close Sensor: SW Terminal1 332 Transport Motor: +24VS2 1 37 N.C. 2

38 N.C. 139 N.C. N.C. - -40 N.C. N.C. - -

Note

Paper TransportIOB CN155

Paper TransportIOB CN157

CN7

CN8

CN5

CN6

Paper FeedMotor

Paper TransportIOB

CN10

CN11

CN14

CN15

CN9

CN3

CN4

1

HarnessNo. Signal Information

Connector (From)

To Connector Addr. Pin No.

PTROpen/Close

Sensor

Right DoorOpen/Close

RegistrationMotor

Paper Exit Motor

Duplex EntranceMotor

1

Fusing Motor

CN159

Paper TransportIOB CN161

Transport Motor

CN1

CN2

Pin No.To Connector

Fusing CoolingFan

Harness No.51D1492556

Addr. Pin No.

Harness No.54D1494696

Harness No.52D1752708

Harness No.53D1476237

CN9, CN15, CN16,CN17, CN18, CN19: With

relay connector

Connector (From)Signal Information

Connector (To)NoteTo Connector Addr. Pin No. To Connector

HarnessNo.

CN9, CN15, CN16,CN17, CN18, CN19: With

relay connector

Connector (To)

Addr.

D176/D177 Harness Pin Assignment

1 By-pass Pick-up Solenoid: Terminal2 (PWM) 14 1 AC driver: +24V 112 By-pass Pick-up Solenoid: Terminal1 (+24VS2) 13 2 AC driver: GND 103 By-pass Paper End Sensor: GND 12 3 AC driver: Zero Cross Signal1 94 By-pass Paper End Sensor: Sensor Signal 11 4 AC driver: Fusing Relay Trigger Signal1 8

5 By-pass Paper End Sensor: +5V 10 5 AC driver: Anti-condensation Heater Relay TriggerSignal 7

6 By-pass Paper Length Sensor: SW Terminal2 9 6 AC driver: AC Voltage Detection Signal 67 By-pass Paper Length Sensor: SW Terminal1 8 7 AC driver: Fusing Heater_Trigger Signal 58 By-pass Paper Length Sensor: COM Terminal 7 8 AC driver: Fusing Relay Trigger Signal2 49 By-pass Paper Length Sensor: SW Terminal4 6 9 AC driver: Fusing Heater1_Trigger Signal 3

10 By-pass Paper Length Sensor: SW Terminal5 5 10 AC driver: Fusing Relay Trigger Signal2 211 By-pass Paper Length Sensor: SW Terminal3 4 11 AC driver: Zero Cross Signal2 112 By-pass Paper Size Sensor: GND 3 12 PSU Cooling Fan: +24V (CTRL) 313 By-pass Paper Size Sensor: Sensor Signal 2 13 PSU Cooling Fan: LOCK Sensor Signal 214 By-pass Paper Size Sensor: +5V 1 14 PSU Cooling Fan: GND 115 N.C. N.C. - - 15 N.C.16 Paper Exit Solenoid: Terminal1 (+24VS2) 15 16 N.C.17 Paper Exit Solenoid: Terminal2 (PWM) 14 17 N.C.18 Inversion Sensor: GND 13 1 IPU: GND 1019 Inversion Sensor: Sensor Signal 12 2 IPU: +5VE 920 Inversion Sensor: +5V 11 3 IPU: +24V 821 Paper Exit Sensor: GND 10 4 IPU: +24V 722 Paper Exit Sensor: Sensor Signal 9 5 IPU: GND 623 Paper Exit Sensor: +5V 8 6 IPU: GND 524 Exit Tray Full Detection Sensor: GND 7 7 IPU: GND 425 Exit Tray Full Detection Sensor: Sensor Signal 6 8 IPU: +24VS1 326 Exit Tray Full Detection Sensor: +5V 5 9 IPU: +24VS2 227 N.C. N.C. - - 10 IPU: GND 128 N.C. N.C. - - 1 MKB: +5V 1329 N.C. N.C. - - 2 MKB: Key Card: Set Detection 1230 N.C. N.C. - - 3 MKB: b0 (Size1) 111 Inversion Motor: XB Phase 4 4 MKB: b1 (Size2) 102 Inversion Motor: B Phase 3 5 MKB: b2 (Size3) 93 Inversion Motor: XA Phase 2 6 MKB: b3 (Size4) 84 Inversion Motor: A Phase 1 7 MKB: b4 (Mode1) 7

A1 Set Detection: Reserved: TWN A18 8 MKB: b5 (Mode2) 6A2 Set Detection: Reserved: DOM A17 9 MKB: b6 (Duplex) 5A3 Set Detection: EU A16 10 MKB: b7 (Motor) 4A4 Set Detection: NA A15 11 MKB: GND 3A5 Set Detection (C): GND A14 12 MKB: Key Card: CTRL 2A6 Set Detection (P): GND A13 13 MKB: For Optional Counter: +24V 1A7 N.C. A12 1 Key-counter: GND 4A8 New unit Detection Fuse A11 2 Key-counter: Key Counter: Set Detection 3A9 New unit Detection Fuse: GND A10 3 Key Counter: For Optional Counter: +24V 2

A10 Fusing Exit Sensor: GND A9 4 Key-counter: Key Counter: CTRL 1A11 Fusing Exit Sensor: Sensor Signal A8 1 PSU (AC Controller Board): JIGU-TRG 2A12 Fusing Exit Sensor: +5V A7 2 PSU (AC Controller Board): JIGU-24V 1A13 Thermopile (Edge): +5V A6 1 PSU: DC: PONENG_N PSU (DC) 2A14 Thermopile (Edge): GND A5 2 N.C. N.C.A15 Thermopile (Edge): FB A4 3 PSU: DC: GND PSU (DC) 1A16 Thermopile (Center): +5V A3 1 PSU: PGND 1A17 Thermopile (Center): GND A2 2 PSU: PGND_ADF 2A18 Thermopile (Center): FB A1 3 PSU: +24V_ADF 4B1 Fusing Shield Position Sensor 2: GND B18 4 PSU: +24V 5B2 Fusing Shield Position Sensor 2: Sensor Signal B17 1 PSU: +24V 6B3 Fusing Shield Position Sensor 2 +5V B16 2 PSU: GND (+24V) 3B4 Fusing Shield Position Sensor 1: GND B15 3 PSU: GND (+5V) 4B5 Fusing Shield Position Sensor 1: Sensor Signal B14 4 PSU: +5V 8B6 Fusing Shield Position Sensor 1: +5V B13 1 PSU: 5V 7B7 Non-Contact Thermistor (Edge): Compensation : B12 2 PSU: 5VE 6B8 Non-Contact Thermistor (Edge): Detection: FB B11 3 PSU: 5VE 5B9 Non-Contact Thermistor (Edge): GND B10 4 PSU: GND 3B10 Non-Contact Thermistor (Center): Compensation : B9 5 PSU: GND 2B11 Non-Contact Thermistor (Center): Detection: FB B8 6 PSU: GND 1B12 Non-Contact Thermistor (Center): GND B7B13 Pressure Thermistor: Expanded End: FB B6B14 Pressure Thermistor: Expanded End: GND B5B15 Pressure Thermistor: End: FB B4B16 Pressure Thermistor: End: GND B3B17 Pressure Thermistor: Center: FB B2B18 Pressure Thermistor: Center: GND B1

1 Fusing Shield Drive Motor: XB Phase (B3) 42 Fusing Shield Drive Motor: B Phase (B1) 33 Fusing Shield Drive Motor: A Phase (A1) 24 Fusing Shield Drive Motor: XA Phase (A3) 15 N.C. N.C. - -

CN253

Paper TransportIOB CN254

CN167

Paper TransportIOB CN162

Paper TransportIOB CN168

Harness No.23D1495341 (100V

Model)Harness No.27

Paper TransportIOB CN156

100V ModelHarness No.23

D1495341

200V ModelHarness No.27

D1495342

Paper TransportIOB

Tools CN1

CN4

Paper TransportIOB CN152

IPU CN576

CN1, CN2, CN5: Withrelay connector2

Paper TransportIOB CN153

Paper TransportIOB CN164

Paper TransportIOB

IPU CN577

Harness No.58D1495209

CN5

CN997

CN915

CN912

CN911

CN18A

CN18B

CN19

CN16

CN17

CN17

CN994

CN2

CN578

CN750

Model c/d:Harness No.55

D1492661

Model e:Harness No.56

D1502651

Harness No.57D1774499

Harness No.57D1774499

PSU (DC)

PSU (DC)

PSU (AC)

PSU CoolingFan

IPU

MKB

NotePin No. To Connector Addr. Pin No.

Connector (From)Signal InformationTo Connector Addr.

HarnessNo.

Connector (From)Signal Information

Connector (To)NoteTo Connector Addr.

Connector (To)

Key Counter

PSU (AC)

CN9, CN15, CN16,CN17, CN18, CN19: With

relay connector1

Pin No. To Connector Addr. Pin No.Harness

No.

D176/D177 Harness Pin Assignment

1 Paper Transport IOB: GND 18 1 Lift Motor (2nd Feed Tray): Sensor: PaperRemaining Detection 5

2 Paper Transport IOB: GND 17 2 Lift Motor (2nd Feed Tray): Sensor: PaperRemaining Detection: GND 4

3 Paper Transport IOB: +24VS2 16 3 Lift Motor (2nd Feed Tray): Sensor: PaperRemaining Detection 3

4 Paper Transport IOB: +24VS2 15 4 Lift Motor (2nd Feed Tray): Sensor: CTRL－ 25 Paper Transport IOB: +24VS2 14 5 Lift Motor (2nd Feed Tray): Sensor: CTRL＋ 16 Paper Transport IOB: +24VS2 13 6 Tray Set Switch (2nd Feed Tray): GND 27 Paper Transport IOB: +24VS1 12 7 Tray Set Switch (2nd Feed Tray): SW Terminal1 18 Paper Transport IOB: GND 11 8 Size Switch (2nd Feed Tray): SW Terminal1 59 Paper Transport IOB: GND 10 9 Size Switch (2nd Feed Tray): SW Terminal2 4

10 Paper Transport IOB: GND 9 10 Size Switch (2nd Feed Tray): SW Terminal3 311 Paper Transport IOB: GND 8 11 Size Switch (2nd Feed Tray): GND 212 Paper Transport IOB: GND 7 12 Size Switch (2nd Feed Tray): SW Terminal4 113 Paper Transport IOB: GND 6 13 N.C.14 Paper Transport IOB: +5V 5 14 N.C.15 Paper Transport IOB: +24V 4 15 Pick-up Solenoid (2nd Feed Tray): +24VS2 1416 Paper Transport IOB: +24V 3 16 Pick-up Solenoid (2nd Feed Tray): PWM 1317 Paper Transport IOB: +24V 2 17 Paper Feed Sensor (2nd Feed Tray): GND 1218 Paper Transport IOB: GND 1 18 Paper Feed Sensor (2nd Feed Tray): Sensor 11

N.C. 8 19 Paper Feed Sensor (2nd Feed Tray): +5V 101 Bank: Bank: RXD 7 20 Transport Sensor (2nd Feed Tray): GND 92 Bank: Bank: TXD 6 21 Transport Sensor (2nd Feed Tray): Sensor Signal 83 Bank: GND 5 22 Transport Sensor (2nd Feed Tray): +5V 74 Bank: GND 4 23 Paper End Sensor (2nd Feed Tray): GND 65 Bank: +5V 3 24 Paper End Sensor (2nd Feed Tray): Sensor Signal 56 Bank: +5V 2 25 Paper End Sensor (2nd Feed Tray): +5V 47 Bank: GND 1 26 Limit Sensor (2nd Feed Tray): GND 31 PSU: GND 7 27 Limit Sensor (2nd Feed Tray): Sensor Signal 22 PSU: GND 6 28 Limit Sensor (2nd Feed Tray): +5V 1

3 PSU: GND 5 1 Lift Motor (1st Feed Tray): Sensor: PaperRemaining Detection 5

4 PSU: 24V 4 2 Lift Motor (1st Feed Tray): Sensor: PaperRemaining Detection: GND 4

5 PSU: 24V 3 3 Lift Motor (1st Feed Tray): Sensor: PaperRemaining Detection 3

6 PSU: 24V 2 4 Lift Motor (1st Feed Tray): Sensor: CTRL－ 27 PSU: 24V 1 5 Lift Motor (1st Feed Tray): Sensor: CTRL＋ 1

6 Tray set Switch (1st Feed Tray): GND 27 Tray set Switch (1st Feed Tray): SW Terminal1 1

5

Paper TransportIOB

3 ImageProcessing IOB CN207 Paper Transport

IOB

4

Paper TransportIOB CN256

PSU (DC) CN914

Bank Drawer

Bank Drawer CN2

CN5: With relay connector

Size Switch (2ndFeed Tray)

Harness No.52D1752708

Lift Motor (1stFeed Tray):

Sensor

Tray set Switch(1st Feed Tray)

CN158

Paper TransportIOB CN160

CN1

CN2

CN3

CN5

CN6

CN7

Lift Motor (2ndFeed Tray):

Sensor

Tray Set Switch(2nd Feed Tray)

CN163

CN1

Note HarnessNo. NotePin No.

Connector (From)Signal Information

Connector (To)

To Connector Addr. Pin No.Harness

No.

Connector (From)Signal Information

Connector (To)

To Connector Addr. Pin No. To Connector Addr. Pin No. To Connector Addr.

D176/D177 Harness Pin Assignment

1 ID Sensor: 3.3V 152 ID Sensor: GND 143 ID Sensor: FRONT LED Drive 134 ID Sensor: FRONT Diffuse Reflection Sensor 125 ID Sensor: FRONT Specular Reflection Sensor 116 ID Sensor: 3.3V 107 ID Sensor: GND 98 ID Sensor: CENTER LED Drive 89 ID Sensor: CENTER Diffuse Reflection Sensor 7

10 ID Sensor: CENTER Specular Reflection SensorOutput 6

11 ID Sensor: 3.3V 512 ID Sensor: GND 413 ID Sensor: REAR LED Drive 314 ID Sensor: REAR Diffuse Reflection Sensor 215 ID Sensor: REAR Specular Reflection Sensor 11 Pressure Roller HP Sensor: GND 32 Pressure Roller HP Sensor: Signal 23 Pressure Roller HP Sensor: +5V 11 Temperature/Humidity Sensor: Temperature FB 42 Temperature/Humidity Sensor K: GND 33 Temperature/Humidity Sensor K: Humidity FB 2 1 PSU: DC: 24V Interlock SW/1 CN1 14 Temperature/Humidity Sensor K: +3.3V 1 2 PSU: DC: 24V Interlock SW/2 CN2 1

5 Mainframe Exhaust/Drive Cooling/Developing AirIntake Fan/Right: CTRL 3 1

Interlock Switch: Front Cover (LD Safety Switch):+24VS1 Interlock SW/1 CN1 2

6 Developing Air Intake Fan/Right: LOCK 2 2Interlock Switch: Duplex Unit (LD Safety Switch):+24VS2 Interlock SW/2 CN2 2

7 Developing Air Intake Fan/Right: GND 1 N.C. 8

8 Developing Air Intake Fan/Left/Toner SupplyCooling Fan: CTRL 3 1 Finisher: RXD 7

9 Developing Air Intake Fan/Left: LOCK 2 N.C. 610 Developing Air Intake Fan/Left: GND 1 2 Finisher: TXD 511 Paper Exit Cooling Fan: CTRL 3 N.C. 412 Paper Exit Cooling Fan: LOCK 2 N.C. 313 Paper Exit Cooling Fan: GND 1 3 Finisher: GND 214 N.C. 4 Finisher: GND 115 N.C. 1 PSU: DC: GND 916 N.C. 2 PSU: DC: GND 817 N.C. 3 PSU: DC: GND 718 N.C. 4 PSU: DC: GND 619 N.C. 5 PSU: DC: 24V 51 1bin Tray: Mainframe Inversion Sensor Output 6 6 PSU: DC: 24V 42 1bin Tray: Paper Remaining Sensor 5 7 PSU: DC: 24V 33 1bin Tray: Set Detection Mechanism 4 8 PSU: DC: 24V 24 1bin Tray: GND 3 N.C. 15 1bin Tray: +5VE_LPS 26 1bin Tray: +5V 11 Main SW: ACSW_STAT_ON_N_ACSW 22 Main SW: ACSWOFF_ACSW 11 1bin LED: CATHODE 22 1bin LED: ANODE 1

Harness No.22D1495347

Pressure RollerHP

Sensor

Temperature/Humidity Sensor

ImageProcessing IOB CN251

Developing AirIntake Fan/Right

Developing AirIntake Fan/Left

CN1 1bin Tray

6

BCU CN105

IPU CN589

Paper TransportIOB CN166

ImageProcessing IOB CN209

1bin LED

CN5

CN6

Exit ExhaustCooling Fan

1bin Tray

Main SW

CN4

8

PSU (DC) CN917

ImageProcessing IOB CN213

7

ImageProcessing IOB CN217

PSU (DC) CN913

Lattice

Lattice CN2

CN8

CN10

CN1, CN2, CN5,CN6, CN8: With relay

connector

9

CN3

CN2

CN11

CN12

Note HarnessNo. NoteTo Connector Addr. Pin No.

Connector (From)Signal Information

Connector (To)

To ConnectorHarness

No.

Connector (From)Signal Information

Connector (To)

To Connector Addr. Pin No. To Connector Addr. Pin No. Addr. Pin No.

CN1

D176/D177 Harness Pin Assignment

1 Toner Bottle Drive Motor: K: CTRL B 2 1 Toner End Sensor: K: GND 32 Toner Bottle Drive Motor: K: +24VS1 1 2 Toner End Sensor: K: Signal 23 Toner Bottle Drive Motor: C: CTRL B 2 3 Toner End Sensor: K: +5VTEK 14 Toner Bottle Drive Motor: C: +24VS1 1 4 Toner End Sensor: C: GND 35 Toner Bottle Drive Motor: M: CTRL B 2 5 Toner End Sensor: C: Signal 26 Toner Bottle Drive Motor: M: +24VS1 1 6 Toner End Sensor: C: +5VTEFC 17 Toner Bottle Drive Motor: Y: CTRL B 2 7 Toner End Sensor: M: GND 38 Toner Bottle Drive Motor: Y: +24VS1 1 8 Toner End Sensor: M: Signal 29 N.C. 9 Toner End Sensor: M: +5VTEFC 1

10 Toner Bottle ID Chip: I2C 4 10 Toner End Sensor: Y: GND 311 Toner Bottle ID Chip: GND 3 11 Toner End Sensor: Y: Signal 212 Toner Bottle ID Chip: I2C 2 12 Toner End Sensor: Y: +5VTEFC 113 Toner Bottle ID Chip: +5V_HST 1 13 ITB Contact and Release Sensor: GND 314 N.C. 14 ITB Contact and Release Sensor: Signal 215 Toner Bottle ID Chip: I2C 4 15 ITB Contact and Release Sensor: +5V 116 Toner Bottle ID Chip: GND 3 16 Imaging Temperature Sensor: GND 2

17 Toner Bottle ID Chip: I2C 2 17Imaging Temperature Sensor: ImagingTemperature Sensor/FB 1

18 Toner Bottle ID Chip: +5V_HST 1 1 Bridge unit/Shift Tray/Exit Tray: GND 1019 Toner Bottle ID Chip: I2C 4 2 Bridge unit/Shift Tray/Exit Tray: +5V 920 Toner Bottle ID Chip: GND 3 3 Bridge unit/Shift Tray/Exit Tray: CBU_SS1SET_I 821 Toner Bottle ID Chip: I2C 2 4 Bridge unit/Shift Tray/Exit Tray: 722 Toner Bottle ID Chip: +5V_HST 1 5 Bridge unit/Shift Tray/Exit Tray: 623 Toner Bottle ID Chip: I2C 4 6 Bridge unit/Shift Tray/Exit Tray: 524 Toner Bottle ID Chip: GND 3 7 Bridge unit/Shift Tray/Exit Tray: CBUCVMTCTL_O 425 Toner Bottle ID Chip: I2C 2 8 Bridge unit/Shift Tray/Exit Tray: GND 326 Toner Bottle ID Chip: +5V_HST 1 9 Bridge unit/Shift Tray/Exit Tray: +24V 21 HVP TTS: +24VS2 10 N.C. 12 HVP TTS: GND 9 10 Bridge unit/Exit Tray: +24V 93 HVP TTS: Transfer/SC Detection 8 11 Bridge unit/Exit TrayCBU+5VFU_I 84 HVP TTS: Paper Transfer (-)/Output Voltage FB 7 12 Bridge unit/Exit Tray: CBUCVMTENA_N_O 75 HVP TTS: Paper Transfer (-)/PWM 6 13 Bridge unit/Exit Tray: CBU_SS2SET_I 66 HVP TTS: Paper Transfer (+)/PWM 5 14 Bridge unit/Exit Tray: CBUDVSLPWM_O 57 HVP TTS: Image Transfer/K/PWM 4 15 Bridge unit/Exit Tray: CBUCVMTCLK_O 48 HVP TTS: Image Transfer/C/PWM 3 16 Bridge unit/Exit Tray: CBU+24VFU_I 39 HVP TTS: Image Transfer/M/PWM 2 17 Bridge unit/Exit Tray: CBTOCSNSNS_I 210 HVP TTS: Image Transfer/Y/PWM 1 18 Bridge unit/Exit Tray: CBEOCSNSNS_I 111 N.C. 1 Toner Bottle Drive Motor: K: A Phase 412 N.C. 2 Toner Bottle Drive Motor: K: XA Phase 3

3 Toner Bottle Drive Motor: K: B Phase 24 Toner Bottle Drive Motor: K: XB Phase 15 Toner Bottle Drive Motor: C: A Phase 46 Toner Bottle Drive Motor: C: XA Phase 37 Toner Bottle Drive Motor: C: B Phase 28 Toner Bottle Drive Motor: C: XB Phase 19 Toner Bottle Drive Motor: M: A Phase 4

10 Toner Bottle Drive Motor: M: XA Phase 311 Toner Bottle Drive Motor: M: B Phase 212 Toner Bottle Drive Motor: M: XB Phase 113 Toner Bottle Drive Motor: Y: A Phase 414 Toner Bottle Drive Motor: Y: XA Phase 315 Toner Bottle Drive Motor: Y: B Phase 216 Toner Bottle Drive Motor: Y: XB Phase 1

ImageProcessing IOB CN218

Toner Bottle IDChip CN6

CN7

Toner BottleDrive Motor/K

ImageProcessing IOB CN203

ImageProcessing IOB CN219

11 ImageProcessing IOB CN222

Toner BottleDrive Motor: C

Toner BottleDrive Motor: M

Toner BottleDrive Motor: Y

CN1

CN2

CN3

CN19

CN20

CN4

Harness No.19D1495334

Harness No.18D1495333

Addr. Pin No. To Connector

Harness No.19D1495334

CN205ImageProcessing IOB

Connector (From)Signal Information

Connector (To)

To ConnectorHarness

No.

CN1

CN2

CN3

CN4

CN5

Toner Bottle IDChip

Note

CN8

CN802

Toner Bottle IDChip

Toner BottleDrive Motor/C

ImagingTemperature

Sensor

Bridge unit/ExitTray

Bridge unit/ExitTray

1010CN1, CN2, CN3,

CN4, CN14, CN18: Withrelay connector

Toner Bottle IDChip

HVP: TTS

Toner BottleDrive Motor/MToner Bottle

Drive Motor/Y

NoteAddr. Pin No.

CN1, CN2, CN3,CN4, CN14, CN18: With

relay connector

CN9

CN10

CN13

CN17

CN14

CN18

HarnessNo.

Connector (From)Signal Information

Connector (To)

To Connector Addr. Pin No. To Connector Addr. Pin No.

Toner BottleDrive Motor: K

Harness No.19D1495334

Harness No.19D1495334

D176/D177 Harness Pin Assignment

1 PCU Motor： CMY: GAIN 10 1 PCU: Drum PCL/K/CTRL 162 PCU Motor： CMY: CLOCK 9 2 PCU: +24VS2 153 PCU Motor： CMY: BRK 8 3 PCU: HST_SCL 144 PCU Motor： CMY: CW 7 4 PCU: HST_SDA 135 PCU Motor： CMY: START 6 5 PCU: HST Sensor/K/PWM 126 PCU Motor： CMY: LOCK 5 6 PCU: HST Sensor/+5V 117 PCU Motor： CMY: GND 4 7 PCU: HST Sensor/K/FB 108 PCU Motor： CMY: GND 3 8 PCU: GND 99 PCU Motor： CMY: +24VS1 2 9 PCU: Drum PCL/FC/CTRL 8

10 PCU Motor： CMY: +24VS1 1 10 PCU: +24VS2 711 Development Motor: CMY: GAIN 10 11 PCU: HST_SCL 612 Development Motor: CMY: CLOCK 9 12 PCU: HST_SDA 513 Development Motor: CMY: BRK 8 13 PCU: HST Sensor/C/PWM 414 Development Motor: CMY: CW 7 14 PCU: HST Sensor/+5V 315 Development Motor: CMY: START 6 15 PCU: HST Sensor/C/FB 216 Development Motor: CMY: LOCK 5 16 PCU: GND 117 Development Motor: CMY: GND 4 17 PCU: Drum PCL/FC/CTRL 3218 Development Motor: CMY: GND 3 18 PCU: +24VS2 3119 Development Motor: CMY: +24VS1 2 19 PCU: HST_SCL 3020 Development Motor: CMY: +24VS1 1 20 PCU: HST_SDA 2921 Development Solenoid/CTRL 2 21 PCU: HST Sensor/M/PWM 2822 Development Solenoid/CTRL 1 22 PCU: HST Sensor/+5V 2723 N.C. 23 PCU: HST Sensor/M/FB 2624 N.C. 24 PCU: GND 2525 N.C. 25 PCU: Drum PCL/FC/CTRL 2426 N.C. 26 PCU: +24VS2 2327 N.C. 27 PCU: HST_SCL 2228 N.C. 28 PCU: HST_SDA 2129 N.C. 29 PCU: HST Sensor/Y/PWM 2030 N.C. 30 PCU: HST Sensor/+5V 1931 N.C. 31 PCU: HST Sensor/Y/FB 1832 N.C. 32 PCU: GND 1733 N.C. 1 HVP CB: HVP/Development/DC/Y/PWM 1134 N.C. 2 HVP CB: HVP/Development/DC/M/PWM 1035 N.C. 3 HVP CB: HVP/Development/DC/C/PWM 936 N.C. 4 HVP CB: HVP/Development/DC/K/PWM 837 N.C. 5 HVP CB: HVP/Charge/DC/K/PWM 738 N.C. 6 HVP CB: HVP/Charge/DC/C/PWM 639 N.C. 7 HVP CB: HVP/Charge/DC/M/PWM 540 N.C. 8 HVP CB: HVP/Charge/DC/Y/PWM 41 Transfer Drum Motor: Black: CTRL Method 15 9 N.C.2 Transfer Drum Motor: Black: ITENC: 14 10 N.C.3 Transfer Drum Motor: Black: GAIN B 13 11 N.C.4 Transfer Drum Motor: Black: GAIN A 12 12 N.C.5 Transfer Drum Motor: Black: CLOCK 11 13 N.C.6 Transfer Drum Motor: Black: BRK 10 14 HVP CB: HVP/Charge Development/SC Detection 37 Transfer Drum Motor: Black: CW 9 15 N.C.8 Transfer Drum Motor: Black: START 8 16 N.C.9 Transfer Drum Motor: Black: LOCK 7 17 N.C.10 Transfer Drum Motor: Black: +5V 6 18 N.C.11 Transfer Drum Motor: Black: GND 5 19 HVP CB: GND 212 Transfer Drum Motor: Black: GND 4 20 HVP CB: +24VS2 113 Transfer Drum Motor: Black: GND 3 1 N.C.14 Transfer Drum Motor: Black: +24VS1 2 2 N.C.15 Transfer Drum Motor: Black: +24VS1 1 3 N.C.16 N.C. 4 N.C.17 Waste toner capacity sensor: GND 3 5 N.C.18 Waste toner capacity sensor: Signal 2 6 Controller Box Cooling Fan: CTRL 319 Waste toner capacity sensor: +5V 1 7 Controller Box Cooling Fan: LOCK 220 Waste toner bottle set switch: GND 2 8 Controller Box Cooling Fan: GND 1

21 Waste toner bottle set switch: Signal 1 9Developing Air Intake Fan:Left/Toner supplycooling Fan: CTRL 3

22 N.C. 10 Toner Supply Cooling Fan: LOCK 223 N.C. 11 Toner Supply Cooling Fan: GND 124 N.C. 12 N.C.25 N.C. 13 N.C.26 N.C. 14 N.C.27 N.C.28 PTR Separation Sensor: GND 329 PTR Separation Sensor: Signal 230 PTR Separation Sensor: +5V 131 Paper Transfer Contact Motor: CTRL2 232 Paper Transfer Contact Motor: CTRL1 1

CN204

Addr.

CN1

ImageProcessing IOB

13

CN2

CN8

Pin No.

ImageProcessing IOB CN200

CN211

ImageProcessing IOB

Transfer DrumMotor: Black CN7

12

ImageProcessing IOB CN201

CN5

CN3

Note HarnessNo.

Connector (From)Signal InformationTo Connector

CN9

CN10

CN8, CN9, CN13: Withrelay connector

CN13

CN800

Harness No.14D1495328

HVP CB

DevelopmentSolenoid

Addr. Pin No.

Controller BoxCooling Fan

Toner SupplyCooling Fan

ImageProcessing IOB CN216

12 CN8, CN9, CN13: Withrelay connector

Harness No.16D1495330

Waste tonerbottle set switch

PTR SeparationSensor

Paper TransferContact Motor

Drum Motor：CMY

Drum Motor：CMY

CN11

CN12

HarnessNo.

Connector (From)Signal Information

Connector (To)

To Connector Addr. Pin No. To Connector NoteConnector (To)

To Connector Addr. Pin No.

D176/D177 Harness Pin Assignment

1 PCU: Lubricant Near-End Sensor/K 16 1 Waste toner capacity sensor: GND 3

2 PCU: +24VS2 15 2Waste toner capacity sensor: Waste TonerCapacity Detection Sensor 2

3 PCU: HST_SCL 14 3 Waste toner capacity sensor: +5V 14 PCU: HST_SDA 135 PCU: HST Sensor/K/PWM 126 PCU: HST Sensor/+5V 117 PCU: HST Sensor/K/FB 10 1 ITB Contact and Release Sensor: GND 38 PCU: GND 9 2 ITB Contact and Release Sensor: Signal 29 PCU: Lubricant Near-End Sensor/C 8 3 ITB Contact and Release Sensor: +5V 1

10 PCU: +24VS2 7 1 Toner end Sensor: GND 311 PCU: HST_SCL 6 2 Toner end Sensor: Signal 212 PCU: HST_SDA 5 3 Toner end Sensor: +5VTEK 113 PCU: HST Sensor/C/PWM 4 1 IPU: GND 2214 PCU: HST Sensor/+5V 3 2 IPU: 5V 2115 PCU: HST Sensor/C/FB 2 3 IPU: GMAC1/GAVD Sync Serial TX Data 2016 PCU: GND 1 4 IPU: GMAC1/GAVD Sync Serial RX Data 1917 PCU: Lubricant Near-End Sensor/M 32 5 IPU: GMAC1/GAVD Sync Serial CLOCK 1818 PCU: +24VS2 31 6 IPU: N.C. 1719 PCU: HST_SCL 30 7 IPU: GMAC1/GAVD Sync Serial CS0 1620 PCU: HST_SDA 29 8 IPU: N.C. 1521 PCU: HST Sensor/M/PWM 28 9 IPU: GMAC2 Sync Serial TX Data 1422 PCU: HST Sensor/+5V 27 10 IPU: GMAC2 Sync Serial RX Data 1323 PCU: HST Sensor/M/FB 26 11 IPU: Memory to plotter Reset Signal 1224 PCU: GND 25 12 IPU: Scanner to Memory Reset Signal 1125 PCU: Lubricant Near-End Sensor/Y 24 13 IPU: GMAC2 Sync Serial CLOCK 1026 PCU: +24VS2 23 14 IPU: GMAC2 Sync Serial CS0 927 PCU: HST_SCL 22 15 IPU: ADF TX Data 828 PCU: HST_SDA 21 16 IPU: ADF RX Data 729 PCU: HST Sensor/Y/PWM 20 17 IPU: IPU Interruption 630 PCU: HST Sensor/+5V 19 18 IPU: Engine OFF: Elapsed Time0 531 PCU: HST Sensor/Y/FB 18 19 IPU: Engine OFF: Elapsed Time1 432 PCU: GND 17 20 IPU: L: Normal Start/H: Awaiting Rapi Opening 31 PCU: Drum PCL/K/CTRL 2 21 IPU: Full Operation Mode Detection Signal 22 PCU: +24VS2 1 22 IPU: IPU Start Detection Signal 1

N.C. 8 1 ID Sensor: 3.3V 5N.C. 7 2 ID Sensor: GND 4

3 PCU: HST_SCL 6 3 ID Sensor: FRONT LED Drive 34 PCU: HST_SDA 5 4 ID Sensor: FRONT Diffuse Reflection Sensor 25 PCU: HST Sensor/K/PWM 4 5 ID Sensor: FRONT Specular Reflection Sensor 16 PCU: HST Sensor/+5V 3 6 ID Sensor: 3.3V 57 PCU: HST Sensor/K/FB 2 7 ID Sensor: GND 48 PCU: GND 1 8 ID Sensor: CENTER LED Drive 39 PCU: Drum PCL/FC/CTRL 2 9 ID Sensor: CENTER Diffuse Reflection Sensor 2

10 PCU: +24VS2 1 10ID Sensor: CENTER Specular Reflection SensorOutput 1

N.C. 8 11 ID Sensor: 3.3V 5N.C. 7 12 ID Sensor: GND 4

11 PCU: HST_SCL 6 13 ID Sensor: REAR LED Drive 312 PCU: HST_SDA 5 14 ID Sensor: REAR Diffuse Reflection Sensor 213 PCU: HST Sensor/C/PWM 4 15 ID Sensor: REAR Specular Reflection Sensor 114 PCU: HST Sensor/+5V 315 PCU: HST Sensor/C/FB 216 PCU: GND 117 PCU: Drum PCL/FC/CTRL 218 PCU: +24VS2 1

N.C. 8N.C. 7

19 PCU: HST_SCL 620 PCU: HST_SDA 521 PCU: HST Sensor/M/PWM 422 PCU: HST Sensor/+5V 323 PCU: HST Sensor/M/FB 224 PCU: GND 125 PCU: Drum PCL/FC/CTRL 226 PCU: +24VS2 1

N.C. 8N.C. 7

27 PCU: HST_SCL 628 PCU: HST_SDA 529 PCU: HST Sensor/Y/PWM 430 PCU: HST Sensor/+5V 331 PCU: HST Sensor/Y/FB 232 PCU: GND 1

CN8

CN5

CN7

14 Harness No.12D1775326 CN1 CN2: With relay connectorCN2Harness No.15

D1775329

15 Harness No.14D1495328 CN1

Harness No.59D1473472

QuenchingLamp

Harness No.59D1473472

QuenchingLamp

Harness No.59D1473472

QuenchingLamp

Harness No.59D1473472

17

16 Harness No.12D1775326 CN1 CN1: With relay connector

Waste TonerCapacityDetectionSensor

CN2

CN2ITB Contact andRelease Sensor

CN2: With relay connector

CN575

Toner endSensor CN2

IPU

CN3

ID Sensor:REAR

ID Sensor:FRONT

ID Sensor:CENTER

CN4

18

22 Harness No.6D1475308 CN1

Harness No.10D1495324 CN1

CN1Harness No.10D1495324

21 BCU

CN9

CN4

CN2

CN2, CN3,CN4, CN5: With relay

connector

CN6

CN3

19

QuenchingLamp

CN101

Note Pin No.Harness

No.

Connector (From)Signal Information

Connector (To)

To Connector Addr. Pin No. To Connector Addr. Pin No. Note

CN2

HarnessNo.

Connector (From)Signal Information

Connector (To)

To Connector Addr. Pin No. To Connector Addr.

D176/D177 Harness Pin Assignment

A1 Set Detection: Reserved: TWN 11 1 PCU Anti-condensation Heater_L

PCU Anti-condensation

HeaterCN1

1

A2 Set Detection: Reserved: DOM 10 2 Paper Feed Heater_LPaper Feed

Heater CN2 1A3 Set Detection: EU 9 3 Bank Heater_L Bank Heater CN3 1

A4 Set Detection: NA 8 4 PCU Anti-condensation Heater_N

PCU Anti-condensation

HeaterCN1

2

A5 Set Detection (C): GND 7 5 Paper Feed Heater_NPaper Feed

Heater CN2 2A6 Set Detection (P): GND 6 6 Bank Heater_N Bank Heater CN3 2

N.C. 5 A1 Set Detection: Reserved: TWN 11A7 N.C. A2 Set Detection: Reserved: DOM 10A8 New unit Detection Fuse 4 A3 Set Detection: EU 9A9 New unit Detection Fuse: GND 3 A4 Set Detection: NA 8

N.C. 2 A5 Set Detection (C): GND 7N.C. 1 A6 Set Detection (P): GND 6

A10 Fusing Exit Sensor: GND 3 N.C. 5A11 Fusing Exit Sensor: Sensor Signal 2 A7 N.C.A12 Fusing Exit Sensor: +5V 1 A8 New unit Detection Fuse 4

N.C. 4 A9 New unit Detection Fuse: GND 3A13 Thermopile (Edge): +5V 3 N.C. 2A14 Thermopile (Edge): GND 2 N.C. 1A15 Thermopile (Edge): FB 1 A10 Fusing Exit Sensor: GND 3

N.C. 4 A11 Fusing Exit Sensor: Sensor Signal 2A16 Thermopile (Center): +5V 3 A12 Fusing Exit Sensor: +5V 1A17 Thermopile (Center): GND 2 N.C. 4A18 Thermopile (Center): FB 1 A13 Thermopile (Edge): +5V 3B1 Fusing Shield Position Sensor 2: GND 3 A14 Thermopile (Edge): GND 2B2 Fusing Shield Position Sensor 2: Sensor Signal 2 A15 Thermopile (Edge): FB 1B3 Fusing Shield Position Sensor 2: +5V 1 N.C. 4B4 Fusing Shield Position Sensor 1: GND 3 A16 Thermopile (Center): +5V 3B5 Fusing Shield Position Sensor 1: Sensor Signal 2 A17 Thermopile (Center): GND 2B6 Fusing Shield Position Sensor 1: +5V 1 A18 Thermopile (Center): FB 1

N.C. 13 B1 Fusing Shield Position Sensor 2: GND 3B7 Non-Contact Thermistor (Edge): Compensation : 12 B2 Fusing Shield Position Sensor 2: Sensor Signal 2B8 Non-Contact Thermistor (Edge): Detection: FB 11 B3 Fusing Shield Position Senso 2: +5V 1B9 Non-Contact Thermistor (Edge): GND 10 B4 Fusing Shield Position Sensor/1: GND 3

B10 Non-Contact Thermistor (Center): Compensation : 9 B5 Fusing Shield Position Sensor 1: Sensor Signal 2B11 Non-Contact Thermistor (Center): Detection: FB 8 B6 Fusing Shield Position Sensor 1: +5V 1B12 Non-Contact Thermistor (Center): GND 7 N.C. 13B13 Pressure Thermistor: Expanded End: FB 6 B7 Non-Contact Thermistor (Edge): Compensation : 12B14 Pressure Thermistor: Expanded End: GND 5 B8 Non-Contact Thermistor (Edge): Detection: FB 11B15 Pressure Thermistor: End/2: FB 4 B9 Non-Contact Thermistor (Edge): GND 10B16 Pressure Thermistor: End/2: GND 3 B10 Non-Contact Thermistor (Center): Compensation : 9B17 Pressure Thermistor: Center: FB 2 B11 Non-Contact Thermistor (Center): Detection: FB 8B18 Pressure Thermistor: Center: GND 1 B12 Non-Contact Thermistor (Center): GND 7

1 Fusing Shield Drive Motor: XB Phase (B3) 4 B13 Pressure Thermistor: Expanded End: FB 62 Fusing Shield Drive Motor: B Phase (B1) 3 B14 Pressure Thermistor: Expanded End: GND 53 Fusing Shield Drive Motor: A Phase (A1) 2 B15 Pressure Thermistor: End/2: FB 44 Fusing Shield Drive Motor: XA Phase (A3) 1 B16 Pressure Thermistor: End/2: GND 3

Screw T1 GND (1G) 1 B17 Pressure Thermistor: Center: FB 21 HT1,2,4/L 4 B18 Pressure Thermistor: Center: GND 12 HT1/N (Center) 6 1 Fusing Shield Drive Motor: XB Phase (B3) 41 HT2/N (Edge) 5 2 Fusing Shield Drive Motor: B Phase (B1) 32 HT4/N 2 3 Fusing Shield Drive Motor: A Phase (A1) 2

N.C. 3 4 Fusing Shield Drive Motor: XA Phase (A3) 1L AC_IN_L PSU (AC) T900 Screw T1 GND (1G) 1N AC_IN_N PSU (AC) T901 1 HT1,2,4/L 4E EARTH Screw T1 2 HT1/N (Center) 61 PSU (AC): AC_L_5V_24V 1 3 HT2/N (Edge) 52 PSU (AC): AC_N_5V_24V 2 4 HT4/N 2

N.C. 3

CN8

CN9

CN4

CN3

CN2

23

Harness No.1D1475340 CN1

Paper TransportIOB CN101

PSU (AC)

Thermopile(Edge)

CN6

CN11

25 PSU (AC) CN988 PSU (DC)

CN7

CN901

Fusing Drawer

Harness No.60D1494320

(DOM)

Harness No.61D1494321 (NA)

Fusing ExitSensor

26 PSU (AC) CN989

Fusing Drawer

Harness No.62D1494322 (EU)

PSU (AC)

27

24 INLET INLET

CN985

PSU (AC) CN986

Fusing Drawer

Harness No.62D1494322 (EU)

Fusing ExitSensor

Thermopile(Edge)

CN6

CN985

Thermopile(Center)

Fusing ShieldPositionSensor/2

Thermopile(Center)

Fusing ShieldPositionSensor/2

Fusing ShieldDrive Motor

Fusing DrawerHarness No.60

D1494320(DOM)

Harness No.61D1494321 (NA)

Fusing ShieldPositionSensor/1

Fusing Drawer

Harness No.60D1494320

(DOM)

Harness No.61D1494321 (NA)

Fusing ShieldPositionSensor/1

Fusing Drawer

Harness No.62D1494322 (EU)

Fusing ShieldDrive Motor

CN8

CN5

CN11

CN2

CN3

CN4

CN9

CN7

Pin No.

Paper TransportIOB CN101

Harness No.1D1475340 CN1

CN5

Addr. Pin No. To Connector Addr.To Connector Addr. Pin No. To ConnectorHarness

No.

Connector (From)Signal Information

Connector (To)Note Harness

No.

Connector (From)Signal Information To Connector Addr. Pin No.

Connector (To)Note

D176/D177 Harness Pin Assignment

1 Paper Feed Heater_L 1 1 FFC Connection Detection 402 Paper Feed Heater_N 2 2 Power On Reset 391 Anti-condensation Heater SW_L CN1 1 3 IOB Start Check 382 Anti-condensation Heater SW_N CN2 1 4 IOB Interruption 37

T1 Image Transfer T1: Y T6 5 IOB Interruption 36T2 Image Transfer T1: M T7 6 Addr. Path 35T3 Image Transfer T1: C T8 7 Addr. Path 34T4 Image Transfer T1: K T9 8 Addr. Path 33T5 Paper Transfer T2 T10 9 Addr. Path 32

1 FFC Connection Detection 50 10 Addr. Path 312 GND 49 11 Addr. Path 303 IPU Addr. Path18 48 12 Addr. Path 294 IPU Addr. Path17 47 13 Addr. Path 285 IPU Addr. Path16 46 14 Addr. Path 276 IPU Addr. Path15 45 15 Addr. Path 267 IPU Addr. Path14 44 16 Addr. Path 258 IPU Addr. Path13 43 17 Addr. Path 249 IPU Addr. Path12 42 18 Addr. Path 23

10 IPU Addr. Path11 41 19 Addr. Path 2211 IPU Addr. Path10 40 20 Addr. Path 2112 GND 39 21 Addr. Path 2013 IPU Addr. Path9 38 22 Addr. Path 1914 IPU Addr. Path8 37 23 Addr. Path 1815 IPU Addr. Path7 36 24 Addr. Path 1716 IPU Addr. Path6 35 25 Addr. Path 1617 IPU Addr. Path5 34 26 GND 1518 IPU Addr. Path4 33 27 Data Path 1419 IPU Addr. Path3 32 28 Data Path 1320 IPU Addr. Path2 31 29 Data Path 1221 IPU Addr. Path1 30 30 Data Path 1122 GND 29 31 Data Path 1023 IPU Data Path31 28 32 Data Path 924 IPU Data Path30 27 33 Data Path 825 IPU Data Path29 26 34 Data Path 726 IPU Data Path28 25 35 GND 627 IPU Data Path27 24 36 IOB Chip Cell 528 IPU Data Path26 23 37 IOB Chip Cell 429 IPU Data Path25 22 38 IOB Read 330 IPU Data Path24 21 39 IOB Write 231 GND 20 40 FFC Connection Detection 132 IPU Data Path23 1933 IPU Data Path22 1834 IPU Data Path21 1735 IPU Data Path20 1636 IPU Data Path19 1537 IPU Data Path18 1438 IPU Data Path17 1339 IPU Data Path16 1240 GND 1141 Ander Chip Select 1042 Patmos2 Chip Select 943 Patmos1 Chip Select 844 Breit Chip Select 745 ICIB Chip Select 646 IPU Write Signal 547 IPU Read Signal 448 IPU Read Write Signal (L: Write) 349 GND 250 FFC Connection Detection 1

28 Harness No.39D1495392 (OP) CN1

29 PSU (AC) CN990 Anti-condensation

31 BCU CN1

30 HVP: TTS

IPU

Paper TransportIOB CN232 Image

Processing IOB CN1

Connector (To)

To Connector Addr.

Image Transfer

Paper FeedHeater CN2

CN2

Note HarnessNo.

Connector (From)Signal Information Pin No. NoteTo Connector Addr. Pin No. To Connector Addr. Pin No. To Connector Addr. Pin No.

HarnessNo.

Connector (From)Signal Information

Connector (To)

D176/D177 Harness Pin Assignment

1 FFC Connection Detection 50 1 Pick-up Solenoid: Terminal1 (+24VS2) 22 IOB Write Strobe Signal 49 2 Pick-up Solenoid: Terminal2 (PWM) 13 IOB Read Signal 48 3 N.C.4 GND 47 4 N.C.5 IOB1 Chip Select 46 5 N.C. 16 IOB2 Chip Select 45 6 Transport Sensor: GND 37 IOB3 Chip Select 44 7 Transport Sensor: Sensor Signal 28 GND 43 8 Transport Sensor: +5V 19 IOB Data24 42 9 Paper End Sensor: GND 3

10 IOB Data25 41 10 Paper End Sensor: Sensor Signal 211 IOB Data26 40 11 Paper End Sensor: +5V 112 IOB Data27 39 12 Limit Sensor: GND 313 IOB Data28 38 13 Limit Sensor: Sensor Signal 214 IOB Data29 37 14 Limit Sensor: +5V 115 IOB Data30 36 1 Fusing Entrance Sensor: GND 316 IOB Data31 35 2 Fusing Entrance Sensor: Sensor Signal 217 GND 34 3 Fusing Entrance Sensor: +5V 118 IOB Addr.0 33 1 By-pass/Duplex Motor: ENC: A Phase 819 IOB Addr.1 32 2 By-pass/Duplex Motor: ENC: B Phase 720 IOB Addr.2 31 3 By-pass/Duplex Motor: +5V 621 IOB Addr.3 30 4 By-pass/Duplex Motor: CW/CCW (Low) 522 IOB Addr.4 29 5 By-pass/Duplex Motor: PWM 423 IOB Addr.5 28 6 By-pass/Duplex Motor: BRK (Low) 324 IOB Addr.6 27 7 By-pass/Duplex Motor: GND 225 IOB Addr.7 26 8 By-pass/Duplex Motor: +24VS2 126 GND 25 9 Duplex Entrance Sensor: GND 527 IOB Addr.8 24 10 Duplex Entrance Sensor: Sensor Signal 428 IOB Addr.9 23 11 Duplex Entrance Sensor: +5V 329 IOB Addr.10 22 12 Duplex Exit Sensor: GND 330 IOB Addr.11 21 13 Duplex Exit Sensor: Sensor Signal 231 IOB Addr.12 20 14 Duplex Exit Sensor: +5V 132 IOB Addr.13 19 15 Duplex Unit Open/Close Sensor: SW Terminal2 233 IOB Addr.14 18 16 Duplex Unit Open/Close Sensor: SW Terminal1 134 IOB Addr.15 17 17 Duplex Unit Open/Close LED: CTRL 235 IOB Addr.16 16 18 Duplex Unit Open/Close LED: +5V 136 IOB Addr.17 15 1 By-pass Pick-up Solenoid: Terminal 2 (PWM) 537 IOB Addr.18 14 2 By-pass Pick-up Solenoid: Terminal 1 (+24VS2) 438 IOB Addr.19 13 3 By-pass Paper End Sensor: GND 339 GND 12 4 By-pass Paper End Sensor: Sensor Signal 240 IOB1 Interruption 11 5 By-pass Paper End Sensor: +5V 141 IOB2 Interruption 10 6 By-pass Paper Length Sensor: SW Terminal3 942 IOB3 Interruption 9 7 By-pass Paper Length Sensor: SW Terminal5 843 IOB Start Detection Signal 8 8 By-pass Paper Length Sensor: SW Terminal4 744 Power On Reset Signal 7 9 By-pass Paper Length Sensor: COM Terminal 645 GND 6 10 By-pass Paper Length Sensor: SW Terminal1 546 HST Sensor SCL Signal 5 11 By-pass Paper Length Sensor: SW Terminal2 447 HST Sensor SDA Signal 4 12 By-pass Paper Size Sensor: GND 348 ID-TAG SCL Signal 3 13 By-pass Paper Size Sensor: Sensor Signal 249 ID-TAG SDA Signal 2 14 By-pass Paper Size Sensor: +5V 150 FFC Connection Detection 11 Registration Sensor: GND 32 Registration Sensor: Sensor Signal 23 Registration Sensor: +5V 1

CN1

CN1: With relay connector

33 BCU ImageProcessing IOB

RegistrationSensor

CN2

CN251 Harness No.1D14755340 CN1

CN1 Fusing EntranceSensor

CN6: With relay connector52

Harness No.1D14755340

Harness No.5D14955307

CN1

Paper FeedPick-up Solenoid

TransportSensor

Paper EndSensor(Feed

Tray)Limit

Sensor(FeedTray)

CN1: With relay connector

54 Harness No.1D14755340 CN1 CN4: With relay connectorCN4

CN6

CN5

53 Harness No.1D14755340

Harness No.63D1494698

Harness No.64D1492659

Harness No.1D14755340 CN1

Harness No.65D1494743

CN4

CN2

CN3

55

Duplex ExitSensor

Duplex UnitOpen/Close

CN4

Pin No. Note HarnessNo.

CN6

CN3

CN5

CN2

CN3By-pass/DuplexMotor

Harness No.63D1494698

NoteAddr. Pin No. To Connector Addr. Pin No.Harness

No.

Connector (From)Signal Information

Connector (To)

To Connector Addr. Pin No. To Connector Addr.

Connector (From)Signal Information

Connector (To)

To Connector

D176/D177 Harness Pin Assignment

1 PSU: PGND 12 PSU: PGND_ADF 23 PSU: +24V_ADF 34 PSU: +24V 41 N.C.2 N.C.3 PCU: HST_SCL 14 PCU: HST_SDA 25 PCU: HST Sensor/C/PWM 36 PCU: HST Sensor/+5V 47 PCU: HST Sensor/C/FB 58 PCU: GND 61 GND (1G) Screw T12 N.C.3 N.C.4 HT1,2,4/L Screw T4

5 HT2/N (Edge)Heating Roller:

End 1

6 HT1/N (Center)Heating Roller:

Center 21 Pressure Thermistor:Center: GND 22 Pressure Thermistor:Center: FB 13 Pressure Thermistor:End: GND 44 Pressure Thermistor:End: FB 35 Pressure Thermistor:Expanded End: GND 26 Pressure Thermistor:Expanded End: FB 17 Non-Contact Thermistor (Center): GND 18 Non-Contact Thermistor (Center): Detection: FB 29 Non-Contact Thermistor (Center): Compensation : 3

10 Non-Contact Thermistor (Edge): GND 111 Non-Contact Thermistor (Edge): Detection: FB 212 Non-Contact Thermistor (Edge): Compensation : 313 N.C.1 N.C.2 N.C.3 New unit Detection Fuse: GND 2

1 Paper Exit Solenoid: Terminal1 (+24VS2) 2 4 New unit Detection Fuse 12 Paper Exit Solenoid: Terminal2 (PWM) 1 5 N.C.3 Inversion Sensor: GND 3 6 Set Detection (P): GND

4 Inversion Sensor: Sensor Signal 2 7 Set Detection: GND

Set Detection:100V Model

(Short-Circuit)CN3

85 Inversion Sensor: +5V 1 9 Set Detection: 200V Model6 Paper Exit Sensor: GND 3 10 Set Detection: Reserved: 17 Paper Exit Sensor: Sensor Signal 2 11 Set Detection: Reserved: 28 Paper Exit Sensor: +5V 19 N.C.

10 N.C.11 N.C.12 c: XB Phase 413 Inversion Motor: B Phase 314 Inversion Motor: XA Phase 215 Inversion Motor: A Phase 1

56

CN1

Exit JunctionSolenoid

Inversion Sensor

Exit Sensor

Inversion Motor

CN1

CN2

CN310

59 Harness No.12D1775326 CN1

pin 1and 2: Short-circuitedfor disconnection of

connectors

Non-ContactThermistor2

New unitDetection Fuse CN8

Non-ContactThermistor1

CN2

CN4

CN5

CN4, CN5, CN6,CN7, CN8: With relay

connector

CN2

CN9

CN4

CN3

PressureThermistor:

58

CN3

57 Harness No.1D14755340

Harness No.2D1775301

HST Sensor

PressureThermistor:Pressure

Thermistor:

Note HarnessNo. Addr.

Connector (From)

SIO

Harness No.23D1495341

CN1

CN2, CN3: With relayconnector

Pin No. To Connector

CN5

CN6

CN7

60

Pin No.Harness

No.

Connector (From)Signal Information

Connector (To)

To Connector Addr. Pin No. To Connector Addr. Pin No. NoteAddr.Signal InformationConnector (To)

To Connector

D176/D177 Harness Pin Assignment

1 GND (1G) Screw T1 1 Duplex Entrance Sensor: GND 32 N.C. 2 Duplex Entrance Sensor: Sensor Signal 23 N.C. 3 Duplex Entrance Sensor: +5V 14 HT1,2,4/L Screw T4 4 N.C.

5 HT2/N (Edge)Heating Roller:

End 1 5 N.C.

6 HT1/N (Center)Heating Roller:

Center 2 CN1 1 By-pass Pick-up Solenoid: Terminal2 (PWM) 31 Pressure Thermistor:Center: GND 2 N.C. 22 Pressure Thermistor:Center: FB 1 2 By-pass Pick-up Solenoid: Terminal1 (+24VS2) 13 Pressure Thermistor:End: GND 4 3 By-pass Paper End Sensor: GND 34 Pressure Thermistor:End: FB 3 4 By-pass Paper End Sensor: Sensor Signal 25 Pressure Thermistor:Expanded End: GND 2 5 By-pass Paper End Sensor: +5V 16 Pressure Thermistor:Expanded End: FB 1 1 By-pass Paper Length Sensor: SW Terminal3 77 Non-Contact Thermistor (Center): GND 1 2 By-pass Paper Length Sensor: SW Terminal5 68 Non-Contact Thermistor (Center): Detection: FB 2 3 By-pass Paper Length Sensor: SW Terminal4 59 Non-Contact Thermistor (Center): Compensation: 3 N.C. 4

10 Non-Contact Thermistor (Edge): GND 1 4 By-pass Paper Length Sensor: COM Terminal 311 Non-Contact Thermistor (Edge): Detection: FB 2 5 By-pass Paper Length Sensor: SW Terminal1 212 Non-Contact Thermistor (Edge): Compensation: 3 6 By-pass Paper Length Sensor: SW Terminal2 113 N.C. 7 By-pass Paper Size Sensor: GND 31 N.C. 8 By-pass Paper Size Sensor: Sensor Signal 22 N.C. 9 By-pass Paper Size Sensor: +5V 13 New unit Detection Fuse: GND 24 New unit Detection Fuse 15 N.C.6 Set Detection (P): GND

7 Set Detection: GND

Set Detection:100V Model

(Short-Circuit)CN3

89 Set Detection: 200V Model

10 Set Detection: Reserved: 111 Set Detection: Reserved: 21 GND (1G) Screw T12 N.C.3 N.C.4 HT1,2,4/L Screw T4

5 HT2/N (Edge)Heating Roller:

End 1

6 HT1/N (Center)Heating Roller:

Center 21 Pressure Thermistor:Center: GND 22 Pressure Thermistor:Center: FB 13 Pressure Thermistor:End: GND 44 Pressure Thermistor:End: FB 35 Pressure Thermistor:Expanded End: GND 26 Pressure Thermistor:Expanded End: FB 17 Non-Contact Thermistor (Center): GND 18 Non-Contact Thermistor (Center): Detection: FB 29 Non-Contact Thermistor (Center): Compensation : 3

10 Non-Contact Thermistor (Edge): GND 111 Non-Contact Thermistor (Edge): Detection: FB 212 Non-Contact Thermistor (Edge): Compensation : 313 N.C.1 N.C. 1 DGND 32 N.C. 2 HPS 23 New unit Detection Fuse: GND 2 3 +5.9V 14 New unit Detection Fuse 1 4 DGND 35 N.C. 5 AKS 26 Set Detection (P): GND 6 5VE_AKS 1

7 Set Detection: GND

Set Detection:200V Model

(Short-Circuit)CN3

9 6 BB (SIO) 18 Set Detection: 100V Model 5 +24VA 2

10 Set Detection: Reserved: 1 4 B (SIO) 311 Set Detection: Reserved: 2 3 A (SIO) 4

2 +24VA 51 AB (SIO) 6

CN1

CN3

CN2

CN9

CN4

CN5

CN661 Harness No.23

D1495341

PressureThermistor:

CN7

CN8

CN4, CN5, CN6,CN7, CN8: With relay

connector

PressureThermistor:

Non-ContactThermistor1

Non-ContactThermistor2

New unitDetection Fuse

Non-ContactThermistor2

CN8

62 Harness No.27D1495342

CN1

CN3

Harness No.54D1494696 CN1

Duplex EntranceSensor

By-pass Pick-upSolenoid

CN1

CN1

CN2

CN3

CN1

CN2

CN3

66

CN1: With relay connector

CN1: With relay connector

CN2

69

68

CN1

CN2

CN314

CN4, CN5, CN6,CN7, CN8: With relay

connector

CN2

CN9

CN4

CN5

CN6

67

63

SIO

70 SIO

71

PressureThermistor:Pressure

Thermistor:

65 Harness No.55D1492661

64 Harness No.55D149266

Non-ContactThermistor1

CN7

CN3

HPS

New unitDetection Fuse

PressureThermistor:Pressure

Thermistor:

CN318

CN2

To Connector

By-pass PaperEnd Sensor

AKS

Scanner Motor CN1

Addr. Pin No. NoteTo Connector Addr. Pin No. To Connector Addr. Pin No. To Connector Addr. Pin No.Harness

No.

Connector (From)Signal Information

Connector (To)Note Harness

No.

Connector (From)Signal Information

Connector (To)

D176/D177 Harness Pin Assignment

15 HPS_N 1 11 Y: Sync GND 114 SMD_VR3 2 10 Y: Sync VCC 213 SMD_VR2 3 9 Y: Sync Signal 312 SMD_VR1 4 8 K: Sync GND 111 SMD_RST 5 7 K: Sync VCC 210 SMD_DIR 6 6 K: Sync Signal 39 SMD_CLK_N 7 5 Polygon Mirror Motor CLOCK 18 SMD_M2 8 4 Polygon Mirror Motor READY 27 SMD_M1 9 3 Polygon Mirror Motor ON 36 SMD_SYNC 10 2 Polygon Mirror Motor GND 45 5V__ADF 11 1 Polygon Mirror Motor DV24V 54 DFGATE_N 12 15 Skew Motor: C: A Phase 13 ADF_TXD 13 14 Skew Motor: C: B Phase 22 ADF_RXD 14 13 +24Ｖ 31 ADF_POW_ON_N 15 12 Skew Motor: C: /B Phase 430 5VE_AKS 16 11 Skew Motor: C: /A Phase 529 AKS 17 10 Skew Motor: M: A Phase 128 5VE_DOC 18 9 Skew Motor: M: B Phase 227 DOCSET_N 19 8 +24Ｖ 326 APS1_N 20 7 Skew Motor: M: /B Phase 425 APS2_N 21 6 Skew Motor: M: /A Phase 524 APS3_N 22 5 Skew Motor: Y: A Phase 123 APS4_N 23 4 Skew Motor: Y: B Phase 222 APS5_N 24 3 +24Ｖ 321 APS_ON_N 25 2 Skew Motor: Y: /B Phase 420 DGND 26 1 Skew Motor: Y: /A Phase 519 LED_ON_N 27 16 DATA_C 118 LED_ERR 28 15 DATA_C_N 217 DGND 29 14 DROPEN_KC 316 SCN_POW_ON_N 30 13 ERR_KC_N 41 DGND 3 12 5VS 52 APS2 2 11 5VS 63 +3.4VAPS 1 10 GND 74 DGND 3 9 DATA_K_N 85 APS1 2 8 DATA_K 96 +3.4VAPS 1 7 APC_KC_N 101 LED_PWM 13 6 SYCS_KC_N 112 DGND 12 5 SYCLK_KC 123 DGND 11 4 SYDI_KC 134 +3.3V 10 3 SYDO_KC 145 +3.3V 9 2 GND 156 +3.3V 8 1 N.C.7 DGND 7 32 DATA_M_N 18 DGND 6 31 DATA_M 29 +5.9V 5 30 ERR_YM_N 3

10 +5.9V 4 29 5VS 411 DGND 3 28 5VS 512 +10V 2 27 GND 613 DGND 1 26 DATA_Y 7

25 DATA_Y_N 824 APC_YM_N 923 SYCS_YM_N 1022 SYCLK_YM 1121 SYDI_YM 1220 SYDO_YM 1319 GND 1418 N.C.17 N.C.

72 SIO CN311

CN5

Addr. Pin No. To ConnectorSignal Information

IPU CN579

73

SIO CN313

SIO CN315

APS2 (LengthDetection)

M Skew Motor

CN1

75 Harness No.76D1495237 CN11

LDB/KC

LDB/YM

Y Skew Motor

Harness No.76D1475237 CN220

Sync DetectionY

Sync DetectionK

Polygon MirrorMotor

C Skew Motor

CN2

CN3

CN6

CN301

74

Harness No.76D1475237 CN13

APS1 (LengthDetection)

SBU

CN2

CN1

Addr.

CN4

CN1

CN2

NoteTo Connector Addr. Pin No. To Connector Addr. Pin No. To Connector Pin No.

Connector (To)Harness

No.

Connector (From)Signal Information

Connector (To)Note Harness

No.

Connector (From)

D176/D177 Harness Pin Assignment

17 DATA_C 1 11 Y Sync GND 116 DATA_C_N 2 10 Y Sync VCC 215 DROPEN_KC 3 9 Y Sync Signal 314 ERR_KC_N 4 8 K Sync GND 413 N.C. 7 K Sync VCC 512 5VS 5 6 K Sync Signal 611 5VS 6 5 Polygon Mirror Motor CLOCK 710 GND 7 4 Polygon Mirror Motor READY 89 DATA_K_N 8 3 Polygon Mirror Motor ON 98 DATA_K 9 2 Polygon Mirror Motor GND 107 APC_KC_N 10 1 Polygon Mirror Motor DV24V 116 N.C. 15 Skew Motor: C: A Phase 15 SYCS_KC_N 11 14 Skew Motor: C: B Phase 24 SYCLK_KC 12 13 +24Ｖ 33 SYDI_KC 13 12 Skew Motor: C: /B Phase 42 SYDO_KC 14 11 Skew Motor: C: /A Phase 51 GND 15 10 Skew Motor: M: A Phase 6

N.C. 16 9 Skew Motor: M: B Phase 734 DATA_M_N 17 8 +24Ｖ 833 DATA_M 18 7 Skew Motor: M: /B Phase 932 ERR_YM_N 19 6 Skew Motor: M: /A Phase 1031 N.C. 5 Skew Motor: Y: A Phase 1130 5VS 20 4 Skew Motor: Y: B Phase 1229 5VS 21 3 +24Ｖ 1328 GND 22 2 Skew Motor: Y: /B Phase 1427 DATA_Y 23 1 Skew Motor: Y: /A Phase 1526 DATA_Y_N 2425 APC_YM_N 2524 SYCS_YM_N 2623 SYCLK_YM 2722 SYDI_YM 2821 SYDO_YM 2920 GND 3019 N.C. 3118 N.C. 32

CN1

CN1

IPU

CN564

CN1, CN3, CN4: Withrelay connector76

ImageProcessing IOB CN220

Harness No.74D1495235

Harness No.74D1495235

CN3

Pin No.

76 CN1, CN3, CN4: Withrelay connector

CN1

CN4

CN564

IPU CN566

Harness No.75D1475236

CN1

NoteTo Connector Addr. Pin No. To Connector Addr. Pin No.Harness

No.

Connector (From)Signal Information

Connector (To)

Pin No. To Connector Addr.Harness

No.

Connector (From)Signal Information

Connector (To)

To Connector Addr. Note

D176/D177 ELECTRICAL COMPONENT LAYOUT

d 1500914

1

4

2

3

56

d 1500913

2

3

4

5

6

1

2

3

4

56

7

91011

12131415

8

d 1500919

1

18

9

17

2 3 45 6

78

1011

12

13

14

15

16

d1500915

1

4

2

3

2 3

d177f4540

1

45

6

7

9

8

4

1

d177z4506

D176/D177 ELECTRICAL COMPONENT LAYOUT

d177z4509

1

2

3

4

5

6

d177ｚ4507

1

2

3

4

5

6

78

d1500923

12

3

4

5

6

7

89

d177z4511

1

2

3

45

6

7

89

d176f2043

1

3

4

5

6

7 2

8

d1500916

34

5

6

12

d177z4042

8

7

12

10 119

D176/D177 ELECTRICAL COMPONENT LAYOUT

d69201011d6940101

1

d1500302

1

d1500304

1

d177z4508

1

2

12

d177z4500

D176/D177 ELECTRICAL COMPONENT LAYOUTSymbol Index No. Description P to P Symbol Index No. Description P to P

M1 Fig.7-1 Duplex Entrance Motor 1-A1 SEN1 Fig.8-5 Fusing Entrance Sensor 1-A1M2 Fig.7-6 By-pass/Duplex Motor 1-B1 SEN2 Fig.8-4 PTR Open/Close Sensor 1-A1M3 Fig.8-1 Inversion Motor 1-D1 SEN3 Fig.7-8 Duplex Exit Sensor 1-B1M4 Fig.11-6 Registration Motor 1-E1 SEN4 Fig.7-4 Duplex Unit Open/Close Sensor 1-B1M5 Fig.11-9 Paper Exit / Pressure Release Motor 1-E1 SEN5 Fig.7-3 Duplex Entrance Sensor 1-B1M6 Fig.11-4 Paper Feed Motor 1-E1 SEN6 Fig.7-7 By-pass Paper End Sensor 1-C1M7 Fig.11-5 Transport Motor 1-E1 SEN7 Fig13-2 By-pass Paper Length Sensor 1-C1M8 Fig.11-8 Fusing Motor 1-F1 SEN8 Fig13-1 By-pass Paper Size Sensor 1-C1M9 Fig.6-2 Lift Motor (1st Feed Tray) 1-A4 SEN9 Fig.8-2 Inversion Sensor 1-D1M10 Fig.6-4 Lift Motor (2nd Feed Tray) 1-B4 SEN10 Fig.8-3 Paper Exit Sensor 1-C1M11 Fig.9-6 Fusing Shield Drive Motor 1-G4 SEN11 Fig.6-11 Transport Sensor (1st Feed Tray) 1-D1M12 Fig.5-8 Toner Bottle Drive Motor: K 1-A7 SEN12 Fig.6-12 Paper End Sensor (1st Feed Tray) 1-D1M13 Fig.5-6 Toner Bottle Drive Motor: C 1-A7 SEN13 Fig.6-13 Limit Sensor (1st Feed Tray) 1-E1M14 Fig.5-4 Toner Bottle Drive Motor: M 1-A7 SEN14 Fig.6-5 Registration Sensor 1-F1M15 Fig.5-2 Toner Bottle Drive Motor: Y 1-A7 SEN16 - Tray Lift Sensor (1st Feed Tray) 1-A4M16 Fig.11-7 PCU Motor: CMY 1-D7 SEN17 - Tray Lift Sensor (2nd Feed Tray) 1-A4M17 Fig.11-2 Development Motor: CMY 1-D7 SEN18 Fig.6-8 Transport Sensor (2nd Feed Tray) 1-B4M18 Fig.11-3 PCU: Black / Image Transfer Motor 1-D7 SEN19 Fig.6-9 Paper End Sensor (2nd Feed Tray) 1-C4M19 Fig.15-1 Paper Transfer Contact Motor 1-E7 SEN20 Fig.6-10 Limit Sensor (2nd Feed Tray) 1-B4M20 Fig.5-16 Toner Transport Motor: K 1-B9 SEN21 - Pressure Roller HP Sensor 1-E4M21 Fig.5-13 Toner Transport Motor: C 1-B9 SEN22 Fig.9-5 Fusing Exit Sensor 1-F4M22 Fig.5-11 Toner Transport Motor: M 1-B9 SEN23 Fig.9-1 Fusing Shield Position Sensor 1 1-G4M23 Fig.5-9 Toner Transport Motor: Y 1-B9 SEN24 Fig.9-2 Fusing Shield Position Sensor 2 1-G4M24 Fig.2-1 Skew Motor: Y 1-C9 SEN25 Fig.5-15 Toner End Sensor: K 1-B7M25 Fig.2-3 Skew Motor: M 1-D9 SEN26 Fig.5-14 Toner End Sensor: C 1-B7M26 Fig.2-4 Skew Motor: C 1-D9 SEN27 Fig.5-12 Toner End Sensor: M 1-C7M27 Fig.1-6 Scanner Motor 2-C6 SEN28 Fig.5-10 Toner End Sensor: Y 1-C7M28 Fig.2-5 Polygon Mirror Motor 2-F6 SEN29 Fig.3-3 ITB Contact and Release Sensor 1-C7

SEN30 - Imaging Temperature Sensor 1-C7SEN31 Fig.5-17 Waste Toner Capacity Sensor 1-E7SEN32 - PTR Separation Sensor 1-E7SEN33 Fig.14-2 HST Sensor: K 1-F8SEN34 Fig.14-2 HST Sensor: C 1-G8SEN35 Fig.14-2 HST Sensor: M 1-G8SEN36 Fig.14-2 HST Sensor: Y 1-G8SEN37 - Temperature/Humidity Sensor 1-A9SEN40 Fig.3-4/5/6 ID sensor 2-F8/2-G8SEN41 Fig.1-7 Auto Paper Size Detection Sensor 1 2-B6SEN42 Fig.1-8 Auto Paper Size Detection Sensor 2 2-B6SEN43 Fig.1-2 Scanner Home Position Sensor 2-C6SEN44 Fig.1-4 DF Position Sensor 2-C6

Motors Sensors

D176/D177 ELECTRICAL COMPONENT LAYOUTSymbol Index No. Description P to P Symbol Index No. Description P to P

SW1 Fig.6-1 Tray Set Switch (1st Feed Tray) 1-A4 LED1 Fig.17-1 1bin LED 1-E4SW2 Fig.6-3 Tray Set Switch (2nd Feed Tray) 1-B4SW3 Fig.5-18 Waste toner Bottle Set Switch 1-E7SW4 Fig.3-1 Interlock Switch: Front Cover (LD Safety Switch) 1-D9 H1 Fig.6-7 Paper Feed Heater 2-G4SW5 Fig.3-2 Interlock Switch: Duplex Unit (LD Safety Switch) 1-D9 H2 Fig.18-1 Bank Heater 2-G4SW6 Fig.12-1 Main Power Switch 2-D3 H3 Fig.1-3 Scanner Anti-condensation Heater 2-G4SW7 Fig.6-6 Size Switch (2nd Feed Tray) 1-B4 H4 - PCU Anti-condensation Heater 2-G4SW8 Fig.7-2 Right Door Open/Close Switch 1-F1

TH1 Fig.9-4 Thermopile (Center) 1-F4SOL1 Fig.7-5 By-pass Pick-up Solenoid 1-B1 TH2 Fig.9-3 Thermopile (Edge) 1-F4SOL2 Fig.8-6 Paper Exit Solenoid 1-C1 TH3 Fig.9-12 Pressure Thermistor: Center 2-A9SOL3 Fig.6-15 Pick-up Solenoid (1st Feed Tray) 1-D1 TH4 Fig.9-9 Pressure Thermistor: Edge 2-A9SOL4 Fig.6-14 Pick-up Solenoid (2nd Feed Tray) 1-B4 TH5 Fig.9-8 Pressure Thermistor: Full-Bleed Edge 2-A9SOL5 - Development Solenoid 1-D7 TH6 - Heating Roller: End /N 2-C9

TH7 - Heating Roller: Center/N 2-C9TH8 - Pressure Roller: Center/L 2-C9

FAN1 Fig.10-7 Fusing Exhaust Heat Fan 1-E１ TH9 Fig.9-11 Non-Contact Thermistor (Center) 2-A9FAN2 Fig.10-4 PSU Cooling Fan 1-C5 TH10 Fig.9-10 Non-Contact Thermistor (Edge) 2-B9FAN3 Fig.10-5 Ozone Exhaust Fan 1-D5FAN4 Fig.12-8 Controller Box Cooling Fan 1-F7FAN5 Fig.10-6 Toner Supply Cooling Fan 1-F7 L1 Fig.14-1 Quenching Lamp 1-F8FAN6 Fig.10-2 Developing Air Intake Fan:Right 1-A9FAN7 Fig.10-3 Developing Air Intake Fan:Left 1-A9FAN8 Fig.10-1 Paper Exit Cooling Fan 1-A9 - Fig.1-1 Operation Panel 2-C6

- Fig.4-4 PCDU: K (Charge unit) 2-D9- Fig.4-3 PCDU: C (Charge unit) 2-D9

PCB1 Fig.12-2 HVP TTS 1-B7 - Fig.4-2 PCDU: M (Charge unit) 2-D9PCB2 - HVP CB 1-E7 - Fig.4-1 PCDU: Y (Charge unit) 2-D9PCB3 - MKB 1-D4 - Fig.4-4 PCDU: K (Development unit) 2-E9PCB4 Fig.12-4 Paper Transport IOB 1-A3 - Fig.4-3 PCDU: C (Development unit) 2-E9PCB5 Fig.11-1 Imaging IOB 1-A5 - Fig.4-2 PCDU: M (Development unit) 2-E9PCB6 Fig.12-5 PSU (DC) 1-F1 - Fig.4-1 PCDU: Y (Development unit) 2-E9PCB7 Fig.5-7 ID Chip: K 1-A7 - - Key-counter 1-D4PCB8 Fig.5-5 ID Chip: C 1-A7 - - 1bin Tray 1-E4PCB9 Fig.5-3 ID Chip: M 1-A7 - - Bank 1-E4PCB10 Fig.5-1 ID Chip: Y 1-A7 - - New unit Detection Fuse 2-B9PCB11 Fig.12-6 PSU (AC controller board) 1-C4 - - Set detection:GND 2-B9PCB12 Fig.1-5 SIO 2-B4 - - Set detection: NA 2-B9PCB13 Fig.12-9 IPU 2-D4 - - Set detection: EU 2-B9PCB14 Fig.12-3 Controller Board 2-D5 - - Set detection: Sub (JPN) 2-B9PCB15 Fig.12-7 BCU 2-F6 - - Set detection: Sub (TWN) 2-C9PCB16 - Heater Board 2-G2PCB17 Fig.1-9 SBU 2-B6PCB18 Fig.2-2 Synchronizing Detector Board: M/Y-S 2-F6PCB19 Fig.2-6 Synchronizing Detector Board: Bk/C-S 2-F6

Switches

Solenoids

Others

Fans

PCBs

LEDs

Heaters

Thermostats/Thermistors

Lamps

D

C

B

A

121110987654321

16151413121110987654321

J

I

H

G

F

E

D

C

B

A

K

J

I

H

G

F

E

CN1001

CN1004

CN1033

CN1034

CN1035

CN1036

CN1037

CN1038

CN1039

CN10310

CN10311

CN10312

CN10313

CN10314

CN10315

CN10316

CN10317

CN1011

CN1012

CN1013

CN1014

CN1015

CN1016

CN1017

CN1018

CN1019

CN10110

CN10111

CN10112

CN10113

CN10114

CN1002

CN1003

CN1041

CN1042

CN1043

CN1044

CN1045

CN1046

CN1047

CN1048

CN1061

CN1062

CN1063

CN1064

CN1065

CN1066

CN1067

CN1073

CN1074

CN1075

CN1076

CN1077

CN1078

CN1079

CN10710

CN10711

CN10712

CN10713

CN10714

CN10715

CN10716

CN10717

CN10718

CN1021

CN1022

CN1023

CN1024

CN1025

CN1026

CN1027

CN1028

CN1029

CN10210

CN10211

CN10212

CN10213

CN10214

CN1102

CN1031

CN1091

CN1092

CN1093

CN1094

CN1095

CN1097

CN1098

CN1121

CN1122

CN1123

CN1124

CN1125

CN1127

CN1128

CN1129

CN1071

CN1132

CN1133

CN1134

CN1153

CN1154

CN1156

CN1012

CN1013

CN1014

CN1015

CN1016

CN1017

CN1018

CN1019

CN10110

CN10111

CN10112

CN10113

CN10114

CN1011

CN3512

CN3513

CN3514

CN3515

CN3516

CN3517

CN3511

CN3501

CN3502

CN3503

CN3504

CN3505

CN3506

CN3508

CN1022

CN1023

CN1024

CN1025

CN1026

CN1027

CN1028

CN1029

CN10210

CN10211

CN10212

CN10213

CN10214

CN1021

CN2111

CN2112

CN2113

CN2114

CN2115

CN2116

CN2117

CN2118

CN2119

CN21110

CN21111

CN21112

CN21113

CN3501

CN3502

CN3503

CN3504

CN3505

CN3506

CN3507

CN3508

CN3509

CN35010

CN35011

CN35012

CN35013

CN350

CN1031

CN1033

CN1035

CN1036

CN1038

CN1039

CN10311

CN10312

CN10314

CN10315

CN10317

CN3101

CN3103

CN3104

CN3106

CN3107

CN3109

CN31010

CN31012

CN31014

CN1034

CN1037

CN10310

CN10313

CN31011

CN3108

CN3105

CN3102

CN3101

CN3103

CN3105

CN3106

CN3108

CN3109

CN31011

CN31012

CN31014

CN3104

CN3107

CN31010

CN31013

SOL1

Mi22P124V2SOL1

CN3232

CN3141

CN3143

CN3131

CN3133

CN3121

CN312

CN3111

CN3113

S1

AMP

Crimp

D696

CT 3P

15V

2S1

3GND

S2

AMP CT 3P

15V

2S2

3GND

S3

AMP CT 3P

15V

2S3

3GND

S4

AMP CT 3P

15V

2S4

3GND

CN1071

CN1073

CN1075

CN1076

CN1078

CN1079

CN10711

CN10712

CN10714

CN10715

CN10717

CN10718

CN1074

CN1077

CN10710

CN10713

CN10716

CN3155

CN3158

CN31510

CN31510

CN3153

CN3156

CN31514

CN3152

CN3151

CN3159

CN31512

CN31513

CN31511

CN3155

CN3157

CN3154

CN3151

CN3153

CN31511

CN3158

CN3156

CN3159

CN3157

CN3154

CN31512

CN31514

S9

AMP CT 3P

15V

2S9

3GND

CN3423

CN343

S6

AMP CT 3P

15V

2S6

3GND

CN344

CN3532

CN3411

CN3421

S7

AMP CT 3P

15V

2S7

3GND

CN3431

CN3441

SOL2

Mi22P124V2SOL2

S8

AMP CT 3P

15V

2S8

3GND

CN3413

M2

JST 8P

1 24VSW

2 GND

3 M2_BRAKE

4 M2_PWM

5 M2_CW_CCW

6 5V

7 M2_ENC_B

8 M2_ENC_A

M1

JST 8P

1 24VSW

2 GND

3 M1_BRAKE

4 M1_PWM

5 M1_CW_CCW

6 5V

7 M1_ENC_B

8 M1_ENC_ACN109

2

CN1097

CN3216

CN1094

CN3214

CN3211

CN3215

CN1098

CN1095

CN1093

CN1091

CN3212

CN1132

CN1134

CN1133

CN3222

CN3224

CN3225

M3

AMP CT 5P

1 M3+2 M3-3 S104 GND5 S5

M4

AMP CT 5P

1 M4+2 M4-3 S194 GND5 S20

CN1153

CN1152

CN3244

CN1154

CN3242

CN3245

CN1061

CN1062

CN1063

CN1065

CN1067

CN1064

CN1066

CN3261

CN3263

CN3264

CN3265

CN3271

SW1MOLEX MI2 5-pole

1 S142 GND3 S134 S125 S11

CN3262

CN3272

SW2AMP CT 2-pole1 GND2 S21

CN1041

CN1042

CN1043

CN1045

CN1047

CN1044

CN1046

CN1048

CN3284

CN3282

CN3285

CN3281

CN3292

CN3291

CN3283

SW4AMP CT 2-pole1 GND2 S22

SW3MOLEX MI2 5-pole

1 S182 GND3 S174 S165 S15

CN1102

T21

SW5187 6.35W*0.5t1 24VSW

2 24V

CN3507

CN35014

CN21114

CN2102

CN2103

CN2104

CN2105

CN2106

CN2107

CN2108

CN2109

CN21010

CN21011

CN21012

CN21013

CN21014

CN2101

CN3541

CN3542

CN3541

CN3542

CN3311

CN3312

CN3312

CN3311

CN1123

CN1124

CN1125

CN1127

CN1128

CN1129

CN1122

CN1121

CN3201

CN3202

CN3206

CN3205

CN3204

CN10316

CN3213

CN3217

CN3218

CN1096

CN3203

CN3207

CN3208

CN1126

CN1126

CN3221

CN3223

CN1131

CN1131

CN1135

CN1135

CN3241

CN3243

CN1151

CN1155

CN1151

CN1152

CN1155

T11

CN1101

CN1103

CN1103

CN1101

CN3231

CN3102

CN31013

CN3112

CN3122

CN3132

CN3142

CN1032

CN1032

CN3531

CN3152

CN31513

CN1072

CN1072

CN3412

CN3422

CN3432

CN3442

CN1096

A

A

A

A

A

A

A

A

A

A

MOLEX Mi2 8P

MOLEX

MOLEX

MOLEX Mi2 7P

MOLEX miniMi2 14P

AMP miniCT Black + Relay 14P

Black + Relay 14P

(D6935405)

(D6965305)

QR/P17-14P-A(51) Black 14P

AMP miniCT AMP miniCT Black 14P AMP miniCT Black 17P

MOLEX Mi2 + Relay 2P

AMP CT

AMP CT

AMP CT

AMP CT

AMP miniCT Black 14P

(D6935402)

(D6935408)

(D6935402)

(D6935408)

AMP CT

AMP CT

AMP CT Black 3P

Black 3P

Black 3P

Black 3P

Black 3P

Black 3P

Black 3P

Black 3P

MOLEX Mi2 + Relay 2P

AMP CT

AMP miniCT Black 14P AMP miniCT AMP miniCT Black 18P

JST CZ 8P JST CZ 8P

JST CZ 9P

(D6935402)

(D6935401)

AMP miniCT Black 5P

Black 5P

AMP CT Black 5P

AMP miniCT AMP CT Black 5P

(D6935402)

(D6935401)

AMP CT Black 7P MOLEX Mi2 5P

AMP CT 2P

AMP CT 2P

MOLEX Mi2 5PAMP CT Black 8P

MOLEX 51067 3P JST PS-187 1P

JST PS-187 1P

AMP miniCT Black 14P

24VIN24VIN24VIN24VIN

PGNDPGNDPGNDPGND5VIN5VINSGNDSGNDRXD2TXD2

SGNDSGNDTXD3RXD3

PGND

24VIN

5VIN

PGND5VIN

PGND

24VIN

PGND24VIN

24VIN

(W)

(Y)

UL1007 AWG22 (B)

(D6935403)

(D6935402)

Dehumidi fy ing heater (L)Dehumidi fy ing heater (N)

(D6935407)

AMP 172165-1 2P AMP 172157-1 2PAMP 172157-1 2P

AMP 172165-1 2P

(D6935403)

UL1672 AWG22 (C) (W)

5VRXD_WRITETXD_WRITEGND

JST CZ 8P(Y)

AMP CT Black 4P

CZ

CZ

(D7875517)

(D7875517) (*8)

Mainframe

Crimp

PCB 1 : Main Control : D693

Crimp

Crimp

Black + Relay 14P

Crimp

8. Not implemented for D787-17/-217. Only implemented for D7876. The harness is including in D696 5. Service options for D693/D787-17, D693/D787-21 (NA/EU)4. The connector with no indication is press-connect type, and its connector is the nutural color.

1. Suffix is omitted.2. The UL style of electric wire with no indication is UL10272, AWG size is AWG26, and its color is purple (M).3. The color of Electric wire with no indication is purple (M).

(*)

(*8)

(*8)

(*8)

(*7)

(*7)

(*5)

(*5)

(*6)

Pickup Solenoid 1

Dehumidifying heaterH1

Pickup Solenoid 2

Paper Feed Sensor 1

Paper Feed Sensor 2

Transport Sensor 1

Transport Sensor 2

Paper End Sensor 1

Limit Sensor 1

Limit Sensor 2

Paper End Sensor 2

Paper Feed Motor

Tray Lift Motor 1

Tray Lift Motor 2

Tray Set Detection Switch 1

Tray Set Detection Switch 2

Transport Cover Open/Close Switch

Paper Size Detection Switch 1

Paper Size Detection Switch 2

Transport Motor

D787 POINT TO POINT DIAGRAM

D787 Harness Pin Assignment

No. Connector Pin No. Signal Name Use No. Connector Pin No. Signal Name Use1 TXD2 ASAP-I/F Transmission 1 24V 24V Power Supply2 RXD2 ASAP-I/F Reception 2 SOL2 SOL2 Drive3 SGND SGND 3 GND GND4 SGND SGND 4 S6 Sensor IN_S65 5VIN 5V Power Supply 5 5V 5V6 5VIN 5V Power Supply 6 GND GND7 PGND PGND 7 S7 Sensor IN_S78 PGND PGND 8 5V 5V9 PGND PGND 9 GND GND10 PGND PGND 10 S8 Sensor IN_S811 24VIN 24V Power Supply 11 5V 5V12 24VIN 24V Power Supply 12 GND GND13 24VIN 24V Power Supply 13 S9 Sensor IN_S914 24VIN 24V Power Supply 14 5V 5V1 RXD3 ASAP-I/F Transmission 15 N.C. N.C.2 TXD3 ASAP-I/F Reception 16 N.C. N.C.3 SGND SGND 17 N.C. N.C.4 SGND SGND 18 N.C. N.C.5 5VIN 5V Power Supply 1 M1_ENC_A6 5VIN 5V Power Supply 2 M1_ENC_B7 PGND PGND 3 5V 5V Power Supply8 PGND PGND 4 M1_CW_CCW9 PGND PGND 5 M1_PWM10 PGND PGND 6 M1_BRAKE11 24VIN 24V Power Supply 7 GND GND12 24VIN 24V Power Supply 8 24VSW 24V Power Supply13 24VIN 24V Power Supply 1 24V 24V Power Supply14 24VIN 24V Power Supply 2 N.C. N.C.1 24V 24V Power Supply 3 24VSW 24VSW Power Supply2 SOL1 SOL1 Drive 1 M2_ENC_A3 GND GND 2 M2_ENC_B4 S1 Sensor IN_S1 3 5V 5V Power Supply5 5V 5V 4 M2_CW_CCW6 GND GND 5 M2_PWM7 S2 Sensor IN_S2 6 M2_BRAKE8 5V 5V 7 GND GND9 GND GND 8 24VSW 24V Power Supply10 S3 Sensor IN_S3 9 N.C. N.C.11 5V 5V 1 S5 Sensor IN_S512 GND GND 2 GND GND13 S4 Sensor IN_S4 3 S10 Sensor IN_S614 5V 5V 4 M3- Lift 1M-15 N.C. N.C. 5 M3+ Lift1M+16 N.C. N.C. 1 S20 Sensor IN_S2017 N.C. N.C. 2 GND GND1 S15 Sensor IN_S15 3 S19 Sensor IN_S192 S16 Sensor IN_S16 4 M4- Lift 2M-3 S17 Sensor IN_S17 5 M4+ Lift 2M+4 GND GND 6 N.C. N.C.5 S18 Sensor IN_S186 GND GND7 S22 Sensor IN_S228 N.C. N.C.1 S11 Sensor IN_S112 S12 Sensor IN_S123 S13 Sensor IN_S134 GND GND5 S14 Sensor IN_S146 GND GND7 S21 Sensor IN_S21

JST CZ 9PPaper Feed Motor (Drive)

AMP miniCT 5P BlackTray Lift Motor 1 (Drive)

AMP miniCT 6P BlackTray Lift Motor 2 (Drive)

CN107

CN109

CN110

CN112

CN113

CN115

Connector Information Signal Information

MOLEX miniMi2 14PUpper ASAP I/F

AMP miniCT 14P BlackLower ASAP I/F

AMP miniCT 18P BlackSensor Input 2

JST CZ 8PTransport Motor (Drive)

MOLEX 3.5mm pitch 3PCover Open/Close Detection

CN101

Connector Information Signal Information

CN102

CN103

CN104

CN106

AMP miniCT 17P BlackSensor Input 1

AMP CT 8P BlackSensor Input 4

AMP CT 7P BlackSensor Input 3

D787 ELECTRICAL COMPONENT LAYOUT

Symbol Index No. Description PtoPM1 7 Transport Motor C15M2 6 Paper Feed Motor D15M3 5 Tray Lift Motor 1 D15M4 9 Tray Lift Motor 2 E15

Symbol Index No. Description PtoPS1 12 Paper Feed Sensor 1 F1S2 14 Transport Sensor 1 G1S3 13 Paper End Sensor 1 G1S4 15 Limit Sensor 1 H1S6 17 Paper Feed Sensor 2 I1S7 19 Transport Sensor 2 I1S8 18 Paper End Sensor 2 J1S9 20 Limit Sensor 2 J1

Symbol Index No. Description PtoPSW1 2 Paper Size Detection Switch 1 F15SW2 1 Paper Size Detection Switch 2 G15SW3 4 Tray Set Detection Switch 1 G15SW4 10 Tray Set Detection Switch 2 H15SW5 8 Transport Cover Open/Close Switch I15

Symbol Index No. Description PtoPSOL1 16 Pick-up Solenoid 1 F1SOL2 21 Pick-up Solenoid 2 H1

Symbol Index No. Description PtoPPCB1 3 Bank Control Board K9

Symbol Index No. Description PtoPH1 11 Dehumidifying heater D6

Others

Motors

Sensors

Switchs

PCB

Solenoids

d693f0001

2

1

3 4 5

6

7

89

1011

d693f0002

12

13

14

15 16

17

18

20

21

19

A

B

C

D

E

F

G

1 2 3 4 5 6 7 8 9 10

A

B

C

D

E

F

G

1 2 3 4 5 6 7 8 9 10

D7665650

D7665690

D7665680

D7665670

D7665640

D7665620

PCB：Main

D7665630

Mainframe

CT 3P Black

miniCT 14P Black

CN103 CN

CN209 CN

3

D7665610

miniCT 3P Black

miniCT 6P Black

CT 3P Black

CT 3P Black

miniCT 4P BlackCT 4P Black

miniCT 15P Black

For DEBUG CT 4P

CN

CN

CN

CN104CN104CN212CN

CN102CN102

Side-to-Side Registration Sensor (SN2)　

CN205CN

CN206CN

4

CN10

1

T1

CN103

CN100

miniCT 3P Black

STM1 Junction Solenoid Motor

STM 3 Shift Motor

STM 4 Exit Paper Pressure Motor

STM 2 Transport Motor

D7665660

CT 5P　White CT 6P White

CN107 CN216 DCM 1 Stapler MotorCN

Paper Output Full Sensor 1 (SN4)　

Paper Output Full Sensor 2 (Staple) (SN5)　

Paper Output Sensor (SN3)　

CN203

CN204

JCN203

JCN204

CN300

CN301

CN302

Entrance Sensor (SN6)　

CN Shift HP Sensor (SN7)　

CN Stapler Motor HP Sensor (SN9)　

Exit Paper Pressure Motor HPSN (SN8)　

CN210 JCN210

CN

CN

CN

CN303

CT 4P BlackminiCT 12P Black

CN105

5

CN105 CN213

CT 4P Black

CN101

miniCT 9P Black

miniCT 8P Black

CN100

CN101

CN201

Latis

CN202

2

CN207

CN208

CT 3P Black

CT 3P Black

9

CN214

CN107

6

CT 3P Black

7

CT 3P Black

CT 3P Black

CT 3P Black

8

Junction Solenoid Motor HP Sensor (SN1)　

CN211 CN Open/Close Door Switch (SW1)

CT 2P Black

D7665700

JCN215 CN304

10

CT 4P Black

（CN200）

mini MiⅡ 9P

mini MiⅡ 8P

miniCT 4P Black

CN215

CN203

CN204

CN210

CN215

D766 POINT TO POINT DIAGRAM

D766 Harness Pin Assignment

No. To Connector PinNo. Signal Name Direction L H No. To Connector Pin

No. No. To Connector PinNo. Signal Name Direction L H No. To Connector Pin

No.1 N.C. 9 1 Stapler Motor M- → 62 24V_PD 8 2 Stapler Motor M+ → 53 24V_PD 7 3 5V 44 24V_PD 6 4 GND 35 24V_PD 5 5 Stapler Motor ENC ← 26 GND 4 N.C. 17 GND 3 1 GND: Junction Solenoid Motor HPSN 38 GND 2 2 Vout: Junction Solenoid Motor HPSN ← Not Detected Detected 29 GND 1 3 5V: Junction Solenoid Motor HPSN 11 GND 8 1 GND: Side-to-Side Registration SN 32 GND 7 2 Vout: Side-to-Side RegistrationSN ← Not Detected Detected 23 N.C. 6 3 5V: Side-to-Side RegistrationSN 14 N.C. 5 4 GND: Paper Output SN 35 RXD0 ← 4 5 Vout: Paper Output SN ← Not Detected Detected 26 N.C. 3 6 5V: Paper Output SN 17 TXD0 → 2 1 GND: StaplerM HPSN 38 N.C. 1 2 Vout: StaplerM HPSN ← Not Detected Detected 2

T1 F.G. F.G. (ground) shield 3 5V: StaplerM HPSN 11 GND: Junction Solenoid Motor HPSN 3 1 Exit Paper Pressure Motor A Relative → 42 Vout: Junction Solenoid Motor HPSN ← Not Detected Detected 2 2 Exit Paper Pressure Motor M AB Relative → 33 5V: Junction Solenoid Motor HPSN 1 3 Exit Paper Pressure Motor B Relative → 24 GND: Side-to-Side Registration SN 6 4 Exit Paper Pressure Motor BB Relative → 15 Vout: Side-to-Side Registration SN ← Not Detected Detected 56 5V: Side-to-Side Registration SN 47 GND: Paper Output SN 38 Vout: Paper Output SN ← Not Detected Detected 29 5V: Paper Output SN 1

10 GND: Paper Output Full SN1 311 Vout: Paper Output Full SN1 ← Not Detected Detected 212 5V: Paper Output Full SN1 113 GND: Paper Output Full SN2 (Staple) 314 Vout: Paper Output Full SN2 (Staple) ← Not Detected Detected 215 5V: Paper Output Full SN2 (Staple) 11 GND: Entrance SN 32 Vout: Entrance SN ← Not Detected Detected 23 5V: Entrance SN 14 GND: Shift M HPSN 35 Vout: Shift M HPSN ← Not Detected Detected 26 5V: Shift M HPSN 17 GND: Exit Paper Pressure Motor HPSN 38 Vout: Exit Paper Pressure Motor HPSN ← Not Detected Detected 29 5V: Exit Paper Pressure Motor HPSN 1

10 GND: Stapler M HPSN 311 Vout: Stapler M HPSN ← Not Detected Detected 212 5V: Stapler M HPSN 113 Open/Close Door SW ← Close Open 214 GND 11 Junction Solenoid Motor A Relative → 42 Junction Solenoid Motor AB Relative → 33 Junction Solenoid Motor B Relative → 24 Junction Solenoid Motor BB Relative → 11 Transport M A Relative → 42 Transport M AB Relative → 33 Transport M B Relative → 24 Transport M BB Relative → 15 Shift M A Relative → 46 Shift M AB Relative → 37 Shift M B Relative → 28 Shift M BB Relative → 19 Exit Paper Pressure Motor A Relative → 4

10 Exit Paper Pressure Motor AB Relative → 311 Exit Paper Pressure Motor B Relative → 212 Exit Paper Pressure Motor BB Relative → 1

Junction Solenoid Motor

5 CN105 MAIN

4

-CN215

Connector (TO)HarnessNo.

Connector (FROM) Signal Information

2

CN104 MAIN

3

1

MAINCN102

Mainframe

Mainframe

CN201

CN202

-

CN205

CN206

CN100 MAIN

CN101 MAIN

CN203

CN204

Paper Output Full SN1

Paper Output Full SN2(Staple)

MAINCN103

CN207

CN208

CN209

CN210

CN211

Entrance SN

CN212

CN213

CN214 Shift Motor

Transport Motor

-

Open/Close Door SW

Exit Paper Pressure MotorHPSN

Shift M HPSN

6

7

8

9

-

CN107 MAIN CN216 Stapler Motor

CN203 MAIN CN300 Junction Solenoid MotorHPSN

MAIN CN303 Stapler M HPSN

CN204 MAIN

CN301 Side-to-Side RegistrationSN

CN302 Paper Output SN

CN304 Exit Paper Pressure Motor

HarnessNo.

Connector (FROM) Signal Information Connector (TO)

10 CN215 MAIN

CN210

D766 ELECTRICAL COMPONENT LAYOUT (1/2)

D766 ELECTRICAL COMPONENT LAYOUT (2/2)

Symbol Index No. Description PtoPSTM1 15 Junction Solenoid Motor D3STM2 14 Transport Motor D8STM3 8 Shift Motor D8STM4 3 Exit Paper Pressure Motor D9DCM1 1 Stapler Motor E8

Symbol Index No. Description PtoPSN1 5 Junction Solenoid Motor HP Sensor B2SN2 9 Side-to-Side Registration Sensor B2SN3 12 Paper Output Sensor B2SN4 11 Paper Output Full Sensor 1 B3SN5 13 Paper Output Full Sensor 2 (Staple) C3SN6 6 Entrance Sensor B8SN7 4 Shift HP Sensor B8SN8 10 Exit Paper Pressure Motor HP Sensor B8SN9 2 Stapler Motor HP Sensor B9

Symbol Index No. Description PtoPSW1 7 Open/Close Door SW C8

Motors

Sensors

Switchs