Jul 3 2008

General Timing Chart / GeneralCircuit Diagram

iR3245/3235/3230/3225 Series

IMPORTANT

This documentation is published by Canon Inc., Japan, to serve as a source of reference for

work in the field.

Specifications and other information contained herein may vary slightly from actual machine

values or those found in advertising and other printed matter.

Any questions regarding the information contained herein should be directed to the Copier Service

Department of the Sales Company.

This documentation is intended for all sales areas, and may contain information not applicable

to certain areas.

Reproduction without permission not allowed.

Use of this manual should be strictly supervised to avoid disclosure of confidential information.

COPYRIGHT 2001 CANON INC.Printed in Japan

CautionUse of this manual should be strictly supervised to avoid disclosure of confidential information.

Contents

1 General Timing Chart ............................................................................................................................. 1Reader................................................................................................................................................... 1Print ....................................................................................................................................................... 2

2 General Circuit Diagram......................................................................................................................... 3Signal Names ........................................................................................................................................ 3General Circuit Diagram........................................................................................................................ 4

11 General Timing ChartReaderiR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N

Basic Sequence at Start Key ON (book mode/1 original)

F-1-1

Footnote- F: Scanner motor moves forward (toward right).- B: Scanner motor moves backward (toward left).- Light-ON: LED on CCD unit lights-on.- ON: When CCD unit HP sensor (photo interrupter type) detects.

ON STBY

B F(Scanner motor)

Light-ON(LED)

ON

CCD adjustment Shading correction

Copystart In reading

F FFB B

ON ON

White board duct detection control

End

Light-ON

(CCD unit HP sensor)

2PrintiR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N

2 Prints, Continuous, Cassette 1

F-1-2

Print ready signalreceived

Cassette 1 pickup motor (M6)Cassette 1 pickup solenoid(SL1)Main motor(M2)Primary chargingLaser(LD)Developing AC bias (DEV_AC)Developing DC bias(DEV_DC)Developing clutch(CL3)Registration sensor(PS9)Registration clutch(CL2)

*1 *3 *2PSTBY

*1 run-up pickup

*3 registration*2 pre-registration

cassette 1 pickup motor acceleration

Transfer(TR)Static elimination(SEP)Fixing motor(M11)Fixing main heater(H1)Fixing sub heater(H2)Fixing outlet sensor(PS13)Delivery motor 1(M4)Delivery sensor(PS14)

Print command received

PINTR PRINT LSTR PSTBY

*4 cleaning bias application

*4 *4

32 General Circuit DiagramSignal NamesList of Signal NamesiR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N

T-2-1

Abbreviation Signal name Abbreviation Signal name Abbreviation Signal name

A reader motor drive signal A C2_PAPER_S cassette 2 paper detection signal FIN_Z_RX expansion delivery unit reception signal

A/ reader motor drive signal A* C2_PICKUP_SL cassette 2 pickup solenoid drive signal FIN_Z_TX expansion delivery unit transmission signal

B reader motor drive signal B C2_RETRY_S cassette 2 retry sensor detection single FSR_EXIT_SNS fixing delivery paper detection signal

B/ reader motor drive single B* C2_SIZECOMON cassette 2 paper size detection signal common HEATER1_ON fixing heater drive signal 1

BD BD signal COVER_SEN_0 copyboard cover open/closed detection signal HEATER2_ON fixing heater drive signal 2

BOTTLE_M_ON bottle motor drive signal COVER_SEN_1 copyboard cover (rear) open/closed detection signal HOPPER_L_S_DETECT sub hopper toner detection signal

BUFF_ENBL buffer path unit enabled signal CST_H_ON cassette heater drive signal HP_SEN CCD unit home position detection signal

BUFF_RXLOAD buffer path unit reception signal DECK_RXLOAD side deck reception signal HS_M_ON hopper motor drive signal

BUFF_TXEND buffer path unit transmission signal DECK_TX_END side detect transmission signal MAIN ON/OFF main motor drive signal

C_DOOR_SNS pickup cover open/closed detection signal DRUM_TH drum temperature detection signal MAIN_TH_DETECT main thermistor detection signal

C1(C2)_SIZE0 cassette size detection signal 0 DUPLEX_A duplex motor drive signal A MLT_P_EX_SNS manual feed size detection signal

C1(C2)_SIZE1 cassette size detection signal 1 DUPLEX_A* duplex motor drive signal A* MLT_PAPER_SNS manual feed paper detection signal

C1(C2)_SIZE2 cassette size detection signal 2 DUPLEX_B duplex motor drive signal B MP_CL_ON* manual feed pickup clutch drive signal

C1(C2)_SIZE3 cassette size detection signal 3 DUPLEX_B* duplex motor drive signal B* MULT_UPDPWN_SL_ON multi pad up/down solenoid drive signal

C1(C2)_SIZE4 cassette size detection signal 4 DUPLEX_CL_ON duplex clutch drive signal PEDE_RX* cassette pedestal reception signal

C1_LEVEL_A_S cassette 1 paper level detection signal A DUPLEX_SNS duplex paper detection signal PEDE_TX cassette pedestal transmission signal

C1_LEVEL_B_S cassette 1 paper level detection signal B ENV_S_SDA, ENV_S_SCL environment humidity detection signal POLYGON_M_ACC laser scanner motor acceleration signal

C1_M_A cassette 1 pickup motor drive signal A EXIT1_A No. 1 delivery motor drive signal A POLYGON_M_DEC laser scanner motor deceleration signal

C1_M_A* cassette 1 pickup motor drive signal A* EXIT1_A* No. 1 delivery motor drive signal A* PRE_EXPOSER front exposure LED drive signal

C1_M_B cassette 1 pickup motor drive signal B EXIT1_B No. delivery motor drive signal B PS_FAN_LOCK,

FAN_PS_LOCK

power supply cooling fan lock signal

C1_M_B* cassette 1 pickup motor drive signal B* EXIT1_B* No. 1 delivery motor drive signal B* PS_FAN_ON, FAN_PS_ON power supply cooling fan drive signal

C1_PAPER_S cassette 1 paper detection signal EXIT1FULL_SNS No. 1 delivery assembly tray full detection signal R_FAN_LOCK heat discharge fan rear lock detection signal

C1_PICKUP_SL cassette 1 pickup solenoid drive signal EXIT1P_SNS No. 1 delivery paper detection signal R_FAN_ON heat discharge fan rear drive signal

C1_RETRY_S cassette 1 retry sensor detection signal EXIT2_KS_RX* No. 2/No. 3 delivery assembly transmission signal REG_SNS registration clutch drive signal

C1_SIZECOMON cassette 1 paper size detection signal common EXIT2_KS_TX No. 2/No. 3 delivery assembly transmission signal SIZE0 original size sensor 3 detection signal

C2_LEVEL_A_S cassette 1 paper level detection signal A F_DOOR_S front cover open/closed detection signal SIZE1 original size sensor 4 detection signal

C2_LEVEL_B_S cassette 2 paper level detection signal B F_FAN_LOCK delivery fan front lock detection signal SLV_CL_ON* developing cylinder clutch drive signal

C2_M_A cassette 2 pickup motor drive signal A F_FAN_ON heat discharge fan front drive signal SUB_TH_DETECT sub thermistor detection signal

C2_M_A* cassette 2 pickup motor drive signal A* FILM_SPEED_SNS fixing film rotation speed detection signal TH_CONNECT thermistor disconnection detection signal

C2_M_B cassette 2 pickup motor drive signal B FIN_X_RX finisher/saddle finisher reception signal TONER_R_S toner detection signal

C2_M_B* cassette 2 pickup motor drive signal B* FIN_X_TX finisher/saddle finisher transmission signal W_TONER_S waste toner case full detection signal

4General Circuit DiagramGeneral Circuit Diagram (Reader)iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N

F-2-1

PS

PS

M

78

(12V

)

(24V

) (A)

(B)

(/B)

(/A)

(Siz

e1)

(Siz

e0)

(GN

D)

(FAN_LOCK)(FAN_ON)(LED_PWM)

(LED_ON_1)

(LED_24V_2)

(GND)

(GN

D)

(GN

D)

(GN

D)

CCD_Unit

Reader Controller PCB LED_Driver_PCB

CopyboardCoverOpen/Closesensor(Front)

Scanner Motor

Documentsensor 1

(24V)(GND)

(24V)

(LED_Return_2)(LED_Return_1)

(LED_24V_1)

(LED_ON_2)

CCD_HPsensor

(HP

_SE

N)

(Pow

er)

(Pow

er)

(Pow

er)

(Pow

er)

(GN

D)

(GN

D)

(CO

VE

R_S

EN

_0)

(Pow

er)

(GN

D)

(CO

VE

R_S

EN

_1)

(GN

D)

(LG

ND

)

(PG

ND

)

To PrinterTo ADF

(GN

D)

(FFC

_Watc

h)

(FFC

_Watc

h)

COR1

41 2 3

J7

13

12

11

10

98

23

45

61

7

J4

J7B J7A

5 6 74321

1 8765432

9 8 23456 17

J101234567

J9234 1

J8234 1

J52 1

J614 13 12 11 10 9 8 23456 17

J3

MT1

6 5 4 3 2 1

M1

3 2 1

SR1ET1

21

J20

21

J193456 12

J16

234 1

J17

3 2 1

SR4

3 2 1

SR3

3 2 1

SR2

1 2 3 J11

1 2 3 J12

1 2 3 J13

50

49

2438 36 34 32 30 28 26 20 18 16

1

2

3

4

5

6

7

8

9

10

1113151719212325272931333537

12142240

3941434547

42444648J1

50

49

24 38363432302826201816

1

2

3

4

5

6

7

8

9

10

11 13 15 17 19 21 23 25 27 29 31 33 35 37

12 14 22 40

39 41 43 45 47

42 44 46 48J2

13

12

11

10

98

23

45

61

7

J801

1 2 3 J14

1 2 3 J153 2 1

SR5

21

J18

ET2Documentsensor 0

CopyboardCoverOpen/Closesensor(Rear)

5General Circuit Diagram (Printer-1/7)iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N

F-2-2

12345678910

12345678910

F

E

D

C

B

A

F

E

D

C

B

A

P.1

E-5To P.4

B-8To P.3

C-7To P.4

D-3To P.4

E-6To P.4

D-4

To P.3

B-4

To P.2

R

T

U

W

M

TP

H

H N

12 2 1

12

V

GN

DG

ND

GN

D

N

N

GN

DG

ND

GN

D

12

V

12

V

12

V

GN

D

12

V

H N

GN

D

W

W

BK

H H N N

PS

_F

AN

_O

N

GN

D

PS

_F

AN

_LO

CKGN

D

GN

D

RM

T

RM

T

GN

D

GN

D

GN

D

GN

D

13

VA

2G

ND

24

VA

_O

N

FS

R2

FS

R1

24

V

24

V

24

V

5V

13

V

24

VU

2

24

VU

1

H

H

N

N

H

H N

H

FS

R_

CO

M

+3.3V

GND

IRQ_ZERO_CROSS

HEATER1_ON

RELAY_ON

GND

GN

D

FA

N_P

S_LO

CK

GN

D

FA

N_P

S_12V

OF

F

24

V

GN

D+

5V

N.C

+24V

#18

N.C

POLYGON_FG_PULSE

POLYGON_M_FG

3V

BG

ND

12

V

N

POLYGON_M_STANDBY

POLYGON_M_ACC

POLYGON_M_DEC

HEATER2_ON

AC_VOLTAGE_TYPE

GND

FA

N_P

S_O

N

MA

IN_

M_

LO

CK

MA

IN_

M_

ON

MA

IN_

M_

CL

K

PEDE_24V1

EX

_P

AP

ER

_1

3V

CS

T_

H_

ON

CS

T_

H_

13

V

21

J108M

23

1

J1001F

23

1

J1001M

234 1

J535

23

45

1J501

2 3 4 51J476

21

1 2 3

FT7

34

56

12

J2006

GN

D

81 2 3 4 5 6 7 9

J540

3 4 5 61 2

J691

81 2 3 4 5 6 7

J302

12

34

56

78

910

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

11

J304

98

23

45

61

7

J472

1 32J475

1 32

J681

1 2 3

J473

J4

74

_H

2 31

J474

1234567

J3412D

J3503LH 12

34

56

7

J3503D

RM

T_3V

B

234 1

J532

J4

74

_N

12345

J53321

J543

2 31

J48523 1

J4711 2

J4802 3 41

J481

21J2111M

7654321 8

J531

21

1 2 3

J486

FT5

FT6 FT81

2 3

4

FT4

1 432J1011

2 3 4 51

J101

23

1

J640

PE

DE

_G

ND

3

PE

DE

_1

3V

FIN_X_GND1FIN_X_13VA2

2 3 41J536

21

J541

1 32

J64712

J641

21 J643

23

41 J645

23

41 J644

21 J642

123

J5463 2 1

J538

7 6 5 3 2 14

1 2 3

J542

21

J1004

MT

10

1

81 2 3 4 5 6 7

J20181 2 3 4 5 6 7 9

J2011

81 2 3 4 5 6 7

J539

2 1

21

J479

21

J106M

2 31

J482

J3011DH

321

J3011D

21J106F

FT3

2 31

J537

321

3 2 1

J3611L

21 FT25FT21

21J2111F

MT

103

MT

102

MT4

21

J1003

MT3

1 2

J483

FT18FT17

MT

7S

OL

D3

SO

LD

2S

OL

D1

21

J478

EX

_P

AP

ER

_G

ND

1E

X_

PA

PE

R_

24

V

EX

_P

AP

ER

_G

ND

2

PE

DE

_G

ND

2

PEDE_GND1

BUFFER_13VA2BUFFER_GND2

BUFFER_GND1

FIN_Z_13VFIN_Z_GND2

FIN_Z_GND1

FIN_X_GND2

PE

DE

_2

4V

2

FIN_X_24V

1

3

2

4

BUFFER_24VA

FIN_Z_24V

FT2

FT11

2

2 3 41J5001F

2 3 41J5001M

12

J108F

2 1J1080F

211

2

RC

ON

_G

ND

2R

CO

N_

13

VA

2R

CO

N_

GN

D1

RC

ON

_2

4V

U2

RM

T_S

YS

C-6

To P.4

B-8

To P.3

B-7

To P.3

PLG1

ELCB1

SW1

SW5

H7

DLT1

H4

TP1

H1

H2

H5

H6

UN7

M2

UN3

SW2

UN4

UN29

FM3

UN2UN1UN12

UN6

leakage breaker

power supply cord

main power switch

environmentheater switch

outlet

deck heater

cassette heater

fixing thermoswitch

fixing main heater

fixing sub heater

reade

r hea

ter

reade

r hea

ter

readercontroller

PCB

DC controller PCB

main motor

relay PCB

interlock switch

all-night power supply PCB

main controller PCB

power supplycooling fan

12V power supply PCB24V power supply PCBoption powersupply PCB

AC driver PCB

6General Circuit Diagram (Printer-2/7)iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N

F-2-3

12345678910

12345678910

F

E

D

C

B

A

F

E

D

C

B

A

P.2

PS

M

M

GN

D

FS

R_E

XIT

_S

NS

+5V

+5V

GN

D

GN

D

GN

D

FIL

M_S

PE

ED

_S

NS

TH

_C

ON

NE

CT

GN

D

MA

IN_T

H_D

ET

EC

T

SU

B_T

H_D

ET

EC

T

DR

UM

_G

ND

DR

UM

_T

H

HS

_M

_O

N

HS

_M

_G

ND

+24V

GN

D

HO

PP

ER

_L_S

HO

PP

ER

_L_S

_D

ET

EC

T

BOTTLE_M_ON

BOTTLE_M_I_DETECT

BOTTLE_M_GND

GN

D

TO

NE

R_R

_C

O_S

TO

NE

R_R

_S

GN

D

+24V

FA

CT

OR

Y_S

NS

_C

HK

_V

CC

W_T

ON

ER

_S

GN

D

FA

CT

OR

Y_S

NS

_C

HK

_V

CC

F_D

OO

R_S

GN

D

GN

D

PR

E_E

XP

OS

ER

EN

V_S

_S

CL

GN

D

EN

V_S

_S

DA

3.3

V

GN

D

4321

int_

OU

T

GN

DP

RE

SE

TP

PO

WE

RP

CP

RD

YP

PR

DY

GN

D

3.3

V

PD

OW

NL

OA

D

PL

IVE

WA

KE

PP

I0

GN

D

GN

DP

CT

SP

RT

SP

ST

SP

CM

DG

ND

PP

RT

ST

PP

O3

BD

GN

D

GN

DU

AR

T_

TX

UA

RT

_R

XG

ND

ITO

PG

ND

5V

IMG

_S

YS

_R

ST

LA

SE

R_

GN

D

DEVELOP

PRIMARY

21 3 4 5 6 7 8 9 10 11

TRANSFER

DISCHAGE

FUSER BIAS

GUIDE BIAS

HV

_S

AC

K*

GN

D

GN

D

GN

D+

24

U

HV

_S

CL

K*

HV

_T

XD

HV

_R

XD

HV

_R

ST

_R

EQ

HV

_R

ST

_D

ET

EC

T*

HV

_S

ER

IAL

_R

EQ

12357 68 4

3.3

VB

D

GN

D

+5

V

GN

D

GN

D

LV

DS

2N

LV

DS

2P

LV

DS

0N

LV

DS

0P

GN

D

LV

DS

3N

GN

D

LV

DS

3P

LV

DS

1P

LV

DS

1N

GN

D

LA

SE

R_

CN

DN.C

.

LA

SE

SR

PO

WE

R_

PW

M

AP

C_

CT

RL

0-2

AP

C_

CT

RL

0-1

AP

C_

CT

RL

0-0

AP

C_

CT

RL

1-0

AP

C_

CT

RL

1-1

AP

C_

CT

RL

1-2

J463

N.C

1 2 3 4 5 6 7 J3503L

13121110982 3 4 5 61 7

J4611413121181 2 3 4 5 6 7 9 10

J462

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

J464

11 10 9 8 23456 17

J305

23 1

J1007

13 2 J1008

123

J603

J3407DH

1 2 3 J3502L

J3502DH123J3502D

1097654321 8 11 12

J3183

21

12345678J602

9 8 23456 17

J3182

11

10

98

23

45

61

7

J3004D

J3004LH

11

10

98

23

45

61

7

J3004L

1110982 3 4 5 61 7

J404

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

J301

EN

D4

EN

D3

EN

D2

EN

D1

21

12

J3205DJ3205DH

1 2 J3205L1 2 3 4 5 6 J3201L

J1091DH123 J1091L

1 2 3J1091D

J3201DH123456J3201D

12

1234J3012

EN

D7

EN

D8

EN

D6

EN

D5

1 2

2 1

J3408123

J3404

123456J3405D

J3405LH1 2 3 4 5 6J3405L

3 2 1123

J3403

3 2 1

1 2

J3402LJ3402DH 12

J3402D

11 2726252423222120191817161514131210987654321J3407L

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

J312

1234567891012131415161718192021222324252627 11J3407D

123

J3401D

J3401DH

13121110982 3 4 5 61 7

J306

J1010DH

121181 2 3 4 5 6 7 9 10J1010L12 11 10 9 8 23456 17

J1010D

J1005DH

3 2 1

21

2 16 5 4 3

J1005D

3 4 5 61 2 J1005L

3 2 1

21

E-4

To P.1

HU1

LA1TS2

M12

UN52

PS16PS22TS1

UN8

UN7

UN40

M1UN11UN10

UN29

M5

UN50TH1

PS13TH2

drum thermistor

hopper motor

sub hoppertoner sensor

environmentsensor

pre-exposurelamp waste toner

sensorfront cover

sensor

high-voltagepower supply PCB

DC controller PCB

main controller PCB

image PCB

laser driver PCBUN10

laser driver PCBBD PCB

developingassembly

toner sensor

fixing mainthermistor

fixing subthermistor

fixing outletsensor

fixing film speedsensor

laser scanner motor

toner container motor

7General Circuit Diagram (Printer-3/7)iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N

F-2-4

12345678910

12345678910

F

E

D

C

B

A

F

E

D

C

B

A

P.3

C-5

To P.1

A-8

To P.1

C-10

To P.1

A-8

To P.1

SLSL

M

M

SL

B8A6

CL

M

M

CLM

CL CL

+5

V

GN

D

+5

V

GN

D

+5

V

GN

D+

5V

+5

V

C2

_R

ET

RY

_S

GN

D

+5

V

C2

_L

EV

EL

_B

_S

C2

_L

EV

EL

_A

_S

GN

D+

5V

C2

_P

AP

ER

_S

GN

D

C1

_R

ET

RY

_S

C1

_L

EV

EL

_B

_S

+5

V

GN

D

GN

DC

1_

PA

PE

R_

S

C1

_L

EV

EL

_A

_S

+2

4V

C1

_P

ICK

up

_S

L

+2

4V

C2

_P

ICK

up

_S

L

C2

_S

IZE

CO

MO

N

C1

_S

IZE

CO

MO

NS

IZE

1_

0S

IZE

1_

1S

IZE

1_

2S

IZE

1_

3

SIZ

E2

_0

SIZ

E2

_1

SIZ

E2

_2

SIZ

E2

_3

SIZ

E2

_4

SIZ

E1

_4

+3.3

V

MLT

_P

AP

ER

_S

NS

GN

D

GN

D

MLT

_P

_E

X_S

NS

+5V

GN

D

DU

PLE

X_S

NS

+5V

F_F

AN

_O

N

GN

D

F_F

AN

_LO

CK

R_F

AN

_O

N

GN

D

R_F

AN

_LO

CK

123

C2_S

IZE

0

C2_S

IZE

1

C2_S

IZE

2

C2_S

IZE

3

C2_S

IZE

4

C2_C

OM

ON

C1_C

OM

ON

C1_S

IZE

4

C1_S

IZE

0

C1_S

IZE

3

C1_S

IZE

1

C1_S

IZE

2

FU

SE

R_

M_

AC

C*

FU

SE

R_

M_

DE

C*

FU

SE

R_

M_

FG

FA

CT

RY

_S

NS

_C

HK

_V

CC

GN

D2

4V

EX

IT1F

ULL_S

NS

GN

D

+5V

EX

IT1P

_S

NS

GN

D

EX

IT1_A

EX

IT1_A

*

EX

IT1_B

EX

IT1_B

*

+24V

+24V

RE

G_C

L_O

N*

SLV

_C

L_O

N*

GN

D

RE

G_S

NS

+5V

+24V

MU

LT

_U

PD

PW

N_S

L_O

N

GN

DC

_D

OO

R_

SN

S+

5V

DE

CK

_S

I_C

LK

GN

D

DE

CK

_T

XE

ND

DE

CK

_D

OU

T

DE

CK

_R

XLO

AD

DE

CK

_D

IN*

DE

CK

_E

NV

L

GN

D

UP

_M

_C

LK

_0

LO

W_M

_C

LK

_1

PE

DE

_R

X*

PE

DE

_T

X

C1_M

_B

*

C1_M

_B

C1_M

_A

C1_M

_A

*

C2_M

_B

*

C2_M

_B

C2_M

_A

C2_M

_A

*

DU

PLE

X_C

L_O

N

+24V

MP

_C

L_O

N*

+24V

DU

PLE

X_B

*

DU

PLE

X_B

DU

PLE

X_A

DU

PLE

X_A

*

21 J3601LJ3001LH21

J3603L

12J3603D

4 123

J3062

151413121110982 3 4 5 61 7

J307

1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 2011 21

J303181716151413121110982 3 4 5 61 7 19

J310

123J3610

122 1

6 5 4 3 2 1

321

123J3302D

1 2 3

J3303L

J3303DH123J3303D

1 2 3 4J3060L

1 2

J3605L

J3605DH

3 2 1 J3602

12 J3605D

1234

4 3 2 1

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

J309

J3060LH

2 3 41

J3053M

2 3 41J3053F

J4999DH123 J4999D 12

J3910D

ET1

PE

DE

_G

ND

2P

ED

E_

24

V2

PE

DE

_2

4V

1

PE

DE

_G

ND

1

1 2 3 J3609L

J3603DH

2 1

J3609DH3 2 1

J3609D

1 2 3J4999L

PE

DE

_1

3V

PE

DE

_G

ND

3

1 2 3 4 5 6 7 8

J3907LJ3907LH1 2 3 4 J3908L

J3908LH1234

J3908D

123456

J3136

21J3604L

3 2 1

8 7 6 5 4 3 2 1J3907D

J3910LH

1 2

J3910L

123456

J3137

3 2 1

J3062A

123

J3134

1234J3060D

123456

J3611

12

J3601D

MT5

123 J3606

J3062B

123 J3001D J3604DH 12J3604D

J3601DH

1 2

3 2 1 J3004

4 12356

8 7 6 5 3 2 14

1234

J3701

3 2 1

3 2 1123

J3702123

J3703

10 9 8 23456 17J3704D

10982 3 4 5 61 7J3704LJ3704LH

12345

J1009

12345

1234

1

2

3

J3302LH

J3310DH

123

J3305

123

J3301

123J3304

1 2 3

J3302L

1 2 3

J3310L3 2 1

321

123

J3310D J3309DH

123

J3309D

1 2 3 4 5 6J3128L

123456J3127DJ3127DH

J3128DH123456J3128D

23456 1

J312823456 1

J3129

1 2 3 4 5 6J3127L

3 2 1

1 2 3 J3309L

J3308DH

151413121110982 3 4 5 61 7J3308L

15 14 13 12 11 10 9 8 23456 17

J3308D

J3135LH

13121110982 3 4 5 61 7J3135L

13 12 11 10 9 8 23456 17J3135D

MT403

MT404

J3122DH

123

J3121

3 2 1

12J3122D

14 13 12 11 10 9 8 23456 17 J3133D

123

J3119

123

J3118

3 2 1

J3115DH

123

J3114

12

J3115D

3 2 13 2 1

123

J3112

14 13 12 11 10 9 8 23456 17 J3131D

3 2 1

123

J3111

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

J308

1 2 J3115L

1413121110982 3 4 5 61 7

J3131LJ3131LH

1 2 J3122L

123

J3120

123

J3113

J3133LH

1413121110982 3 4 5 61 7J3133L

3 2 1 3 2 13 2 11 2 1 2

CS

T_

H_

ON

CS

T_

H_

13

V

1 2 3

J3001L

to2.5K DECK

orCASSETTE PEDESTAL

PS11PS2PS4PS3PS1 PS5 PS6PS10 SL1 SL2UN18 UN19 UN51

CL4CL1

FM2

CL2

M7

M6

CL3

PS18

PS9

SL3

PS14 PS15

M3

M4

PS7 FM1PS17

UN7

M10

cassette 1paper sensor

cassette 2papersensor

cassette 1paper levelsensor A

cassette 1paper levelsensor B

cassette 2paper levelsensor A

cassette 2paper levelsensor B

cassette 1retry sensor

cassette 2retry

sensor

cassette 1pickup

solenoid

cassette 2pickup

solenoid

cassette 1 sizedetection PCB

cassette 2 sizedetection PCB

manual feederpaper size

sensor

manualfeeder

paper sensor

duplex feedsensor

heat discharge fan (rear)

heat discharge fan (front)

registration clutch

developingcylinder clutch

pre-registrationsensor

multi feeder padup/down solenoid

manual feedpickup clutch

duplex feed clutch(iR3225 only)

feed coversensor

fixing motor

cassette 1pickup motor

cassette 2pickup motor

No.1 deliverymotor No.1 delivery

sensor

No.1 delivery fullsensor

DC controller PCB

duplex feed motor

8General Circuit Diagram (Printer-4/7)iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N

F-2-5

12345678910

12345678910

F

E

D

C

B

A

F

E

D

C

B

A

P.4

D-10

To P.1

A-6

To P.1C-10

To P.1

D-10

To P.1

B-10

To P.1

A7 B8

GN

D

GN

D

GN

D

GN

D

N.C

N.C

TO 2ND&3RD EX_PAPERTO BUFFER_PASS

BU

FF

_E

NB

L

BU

FF

_D

IN*

EX

IT2_K

S_R

X*

EX

IT2_K

S_T

X

EX

IT2_M

_C

LK

_0

EX

IT3_M

_C

LK

BU

FF

_D

_O

UT

BU

FF

_T

XE

ND

BU

FF

_S

I_C

LK

BU

FF

_R

XLO

AD

GN

D

GN

D

GN

D

GN

D

1 2 3 4 5 6

J3088L

21J3058M J3088LHJ3052LH

J3061B

4 123

J3061

1 2 3 4 5J3902L

2345 1J3902D

MT6

1 2 3 4 5 6 7J3052L

234567 1J3052D

BU

FF

ER

_G

ND

1

EX

_P

AP

ER

_2

4V

EX

_P

AP

ER

_G

ND

2

J3902DH

1110982 3 4 5 61 7

J311

FIN

_Z

_G

ND

2

81 2 3 4 5 6 7 9 10

J3904

234 1 J3901F

J3061A

21J3058F

121181 2 3 4 5 6 7 9 10

J3903

234 1 J3901M

EX

_P

AP

ER

_G

ND

1

EX

_P

AP

ER

_1

3V

BU

FF

ER

_2

4V

A

BU

FF

ER

_G

ND

2B

UF

FE

R_

13

VA

2

FIN

_X

_13V

A2

FIN

_Z

_1

3V

FIN

_Z

_G

ND

1

FIN

_X

_G

ND

2

234 1J3906

5 4 3 2 1J3905

FIN

_X

_2

4V

FIN

_Z

_2

4V

4 123567 4 1235678

1413121181 2 3 4 5 6 7 9 10

J313

FIN

_X

_G

ND

1

FIN

_X

_R

X

FIN

_Z

_R

X

FIN

_X

_T

X

FIN

_Z

_T

X*

to FIN ZW1to FIN X

UN7DC controller PCB

9General Circuit Diagram (Printer-5/7)iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N

F-2-6

12345678910

12345678910

F

E

D

C

B

A

F

E

D

C

B

A

P.5

+5

SG

ND

GN

D

CO

IN_

B_

CR

DY

CO

IN_

C_

PR

DY

CO

IN_

C_

CR

DY

GN

DT

XD

RX

D

GN

D

CC

_V

I_L

/S

CC

VI_

CP

EN

E

CC

_V

I_C

L/B

WC

CV

I_C

OU

NT

5V

_O

N_

OF

F

+3

.3S

GN

D

+3

.3A

RM

T_

DC

ON

RM

T_

SY

SR

MT

_R

CO

NG

ND

RM

T_

FA

X

CC

_V

I_O

P

+5

SG

ND

J2029H10982 3 4 5 61 7

J2029

12345J2030LJ2030DH

J2028H

1 2 3 4 5J2030D

982 3 4 5 61 7 J2028

11 10 9 8 23456 17

J2027

2 3 41J2060F

2 3 41

J2060M

1234567

J2021

J2103DH123 J2103L

321J2104L

J2104DH3 2 1J2104D

1 2J2140

1 2 3J2103D

71 65432 8 9

J1208

15 14 13 12 11 10 9 8 23456 17

J2003

1 2 3 4 5 6 7

J534

1 432

J2026

1

J20101

J2016 8 12345679J2020

23 1

J2043

1 432

J3021

1

J10181

J2117

2 3 41

J2024

321

234 1

J1000

CARD READER

CC-VI

COIN ROBO

UN33

HDD1

UN36/63

FM4

UN34

UN60

UN62

PCI bus expansionPCB

voice operationPCB

voice guidancePCB

wireless LAN PCB/wireless LAN PCB(US)

main controller

IPSec PCB

control panel unit

control panelpower switch

hard diskUN35

encryption PCB

main controller cooling fan

relay PCBUN3

main controller PCBUN29

10

General Circuit Diagram (Printer-6/7)iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N

F-2-7

12345678910

12345678910

F

E

D

C

B

A

F

E

D

C

B

A

P.6

A-4

G4 FAX_SYSTEM

MAIN BODY

31

A20

B2

0A

20

B20

31

29

23

29

23

SP

_B

SP

_A

LIN

E1

_L

1

CIC

NT

GN

D

LIN

E1

_T

2

LIN

E1

_T

1

LIN

E1

_C

T2

LIN

E1

_C

T1

(230V 2/3LINE ASIA)

(2/3 LINE)

(PS)

GN

D

(V)

(BL)

(J477)

H

12V_SSBGND_SSB

(BL)

(BK)(RED)

(1 LINE)

(100V ONLY)

To J12118F

FAX_SYSTEM

LIN

E1

_L

2

12

_L

1

GN

D_

L1

GN

D_

GIJ

I1

2_

GIJ

I

(BK)(RED)

N

(BK

)(R

ED

)12

V_

SS

BG

ND

_S

SB

LIN

E2

_L

1_

23

0V

LIN

E2

_L

2_

23

0V

LIN

E3

_L

2_

23

0V

LIN

E3

_L

1_

23

0V

LIN

E2

_L

1

LIN

E2

_L

2

LIN

E3

_L

2L

INE

3_

L1

3 4 5 61 2J2118F

3 4 5 61 2

J545

234 1

J423

234 1

J1424

14 3 2

J4222

COR8

PIN12

PIN11

3456 12

J4221

3456 12

J14272 3 4 5 6 71

J1425

2 3 4 5 6 71

J42

COR1

COR7COR6

14 3 2

J1426

65

43

21

J814

COR5

12

34

56

J787

COR265

43

21

J815

COR4

2 3 4 5 6 71

J911

1 2

J12120M

21

J12102

J1212J1

210

J2109DH

J2121GDH

23

1

J2121GD

1 2J2121D

J12109DH

3 2 1

J12109D

7654321

J161

2 1J12106

J12121DH

21

J12121D

1 432

J1222

1 65432

J12118M

1 2 J3477

2 3 41J222

2 3 4 5 61J2118M

21 J2120M

12

J2102

12

3

J2109D

12

34

56

7

J61

12

J2106J2121DH

12

J3006F

21

J2108G

F

12

J2108G

M

1 2

J2107G

FT9G

12

3

J2118D

2 31

J2122M

J1211

14 13 12 11 8 1234567910

J105

J2118DH

12

J2

J131

2 31J3010M

17 6 5 4 3 2

J31

2 31

J3

J2105

21J41

32

1

J2109L

3 2 1

J1

1 2 3

J51

21

J3006M

12

J2108F

21

J2108M

12

J3007M

21

J3007F

2 31

J3010F

21J2120F

2 3 4 5 61J1204G

13

2J2113

J3008DH

12

J3008D

23

1

J2121GL

2 31 J3009F

J1210GWH

J1210GB

1 2

J2115

2 31 J3009M

12

J105G

J31GWH

J31GA

J31GB

J1210GA

2345 1J2114

2 3 4 51J2112

12

34

56

J789

3456 12

J4223

1 765432

J422

2 31

J2122F

12

3

J2118L

J2101

21

J2121L

J3911DH21

J3911D

2 1

J3911L

J3018DH

21

J3018D

21

J3018L

21

TO SPEAKER

ARRESTER

AC driver PCBUN6

UN23 / UN5

UN22 UN53

UN25

UN28UN54 / UN55 /UN56

UN59

UN58 UN58

UN57

SP1

UN24

ARRESTER

ARRESTER

FAX expansion PCB

G4 FAXexpansion PCB

G4 FAXcontrol PCB

G3 FAX control PCB

G4 modular PCB

speaker

G3 FAX PCB

modular PCB 1-line 100V/modular PCB 1-line 120V/modular PCB 1-line 230V

UN59

FAX

expa

nsio

nPC

B

pseudo-CI PCB/off-hook detect PCB

relay PCB

modem PCB

UN3

modular PCB 2-line, 2/3-line 100V

modular PCB 2-line,2/3-line 230V

modular PCB 2-line 120V

NCU PCBUN25

NCU PCBNCU PCB NCU PCB

11

General Circuit Diagram (Printer-7/7)iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N

F-2-8

12345678910

12345678910

F

E

D

C

B

A

F

E

D

C

B

A

P.7

A-4

To P.6CL

M

M

TP

SP

_B

SP

_A

12

_L

1

GN

D_

L1

GN

D_

GIJ

I1

2_

GIJ

I

12

V_

SS

BG

ND

_S

SB

3V

BG

ND

12

V

12

V

GN

DG

ND

GN

D

GN

D

GN

D

GN

D

5V

13

V

24

VU

2

24

VU

1

4 5321

GN

D5

V_

ON

_O

FF

HV

_S

AC

K*

GN

D

GN

D

HV

_S

CL

K*

HV

_T

XD

HV

_R

XD

HV

_R

ST

_R

EQ

HV

_S

ER

IAL

_R

EQ

MU

LT

_U

PD

PW

N_S

L_O

N

+24V

GN

D

DE

CK

_D

IN*

DE

CK

_D

OU

T

DE

CK

_E

NV

L

GN

D

+24V

+24V

RE

G_C

L_O

N*

SLV

_C

L_O

N*

GN

D

RE

G_S

NS

+5V

PE

DE

_2

4V

1

PE

DE

_G

ND

1

PE

DE

_G

ND

2P

ED

E_

24

V2

DC Controller Right Harness Unit (for iR3225)

UP

_M

_C

LK

_0

LO

W_M

_C

LK

_1

PE

DE

_R

X*

PE

DE

_T

X+

5V

DE

CK

_R

XLO

AD

DE

CK

_T

XE

ND

DE

CK

_S

I_C

LK

PE

DE

_G

ND

3

AC

DR

_R

ELA

Y_R

MT

IRQ_ZERO_CROSS

AC_VOL_TAPE

RELAY_ON

GND

HEATER2_ON

HEATER1_ON

GND

+3.3VFSR2FSR1

RM

T_3V

B

RM

T_S

YS

MA

IN_

CL

K

GN

D2

4V

NA

IN O

N/O

FF

MA

IN L

OC

K

N.C

GN

D

GN

D

PE

DE

_1

3V

PO

LY

GO

N_M

__F

G

+24V

M_A

CC

*

M_D

EC

*

GN

D

FA

N_P

S

FA

N_P

S_LO

CK

FA

N_P

S_12V

OF

F

HV

_R

ST

_D

ET

EC

T*

GN

D+

24

U

RM

T_

FA

X

RM

T_

DC

ON

GN

DR

MT

_R

CO

NR

MT

_S

YS

+3

.3A

FSR_COM

N.C

1234

J13908D

3456 12J1691

1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 2711

J1304

J2203DH

3456 12

J12006

23

1

J2953

21

J12121L

21

J13911D

J13911DH

3 4 5 61 2

J1545

3 4 5 61 2

J12118F

234 1

J1532

81 2 3 4 5 6 7

J1302

7654321 8

J1531

1 2 3

J2203D

1 2 3 4 5 J13410D

J13605DH

8 7 6 5 4 3 2 1

J13907D

J13609DH

1 2 3 4 5

J1533

J13410LH

1234567J13412D

11

10

98

23

45

61

7

J13004D

11 10 9 8 23456 17

J1305

2 3 41

J13053F

1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 2011 21

J1303

98

23

45

61

7

J1472

12

3 J1473

21

J2951

23

41

J2952M

23

41

J2952F

12

J13603D

J13603D

H

3 2 1

J13609D

123

J1

30

01

D

1 2 3 4 5 6 7

J1534

12J13605D

12

J13910D

7 6 5 3 2 14

1 2 3

J154221

J1541

15 14 13 12 11 10 9 8 23456 17

J12003

21

J1643

3 2 1

J1538

MT301

21

J2950

MT303

MT302

MT34 MT33

54321J3411

12345J3410D

12

1 2

J3650

2 1

to2.5K DECK

orCASSETTE PEDESTAL

To P.3

A-9

To P.3

A-9

UN12

H11

H12

UN17

TP39

M22

M8

CL22

fixing main heater

fixing sub heater

fixing thermo switch

option powersupply PCB

laser scanner motor

registration clutch(iR3225 only)

DC controller PCB

main motor

AC driver PCBUN6

relay PCBUN3

main controller PCBUN29

12

Jul 3 2008

1 General Timing ChartReaderPrint

2 General Circuit DiagramSignal NamesList of Signal Names

General Circuit DiagramGeneral Circuit Diagram (Reader)General Circuit Diagram (Printer-1/7)General Circuit Diagram (Printer-2/7)General Circuit Diagram (Printer-3/7)General Circuit Diagram (Printer-4/7)General Circuit Diagram (Printer-5/7)General Circuit Diagram (Printer-6/7)General Circuit Diagram (Printer-7/7)