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No.

Parts

Note

Name

Function/Operation

1

Operation PWB L

Outputs the key operation signals.

2

OP control PWB

Controls the whole operation unit. (Displays information from the PCU PWB,
and sends operation information to the PCU PWB.)

Differs in AR-C150 and
AR-C100.

3

Operation PWB R

Outputs the key operation signals.

4

LCD back light inverter PWB

Drives the LCD back light.

5

ICU-Main PWB

Controls the ICU SCN PWB, ICU IMG PWB, and CCD PWB. Converts digital
image data into video signals and sends them to the scanner (writing) unit.

Differs in AR-C150 and
AR-C100.

6

ICU-SCN PWB

Performs correction of images outputted from the CCD.

7

ICU-IMG PWB

Performs image processes such as area separation, color correction, black
generation, gamma correction, and filter process.

Differs in AR-C150 and
AR-C100.

8

CPT PWB

Recognizes the bank note patterns.

9

Original size sensor PWB
(Light reception)

Detects the original size.

10

Original size sensor (Light
emitting)

Outputs light to detect the original size.

11

CCD power PWB

Outputs the CCD PWB paper power.

12

Scanner motor PWB

Scanner motor control PWB.

Controls the scanner
motor.

13

PCU sub PWB

Controls the image process section.

14

High voltage power PWB
(MC/DV)

Generates the high voltage for main charger and the developing bias voltage.

15

Main charger interface PWB

Interfaces the main charger power.

16

OPC drum motor control PWB

Controls (drives) the OPC drum motor.

17

Scanner lamp control PWB

Controls the scanner lamp

18

Humidity sensor PWB

Detects humidity in the machine.

Each correction of
image process section
is made by this sensor
data.

1

2

3

16

17

18

19

20

22

10

11

13

14

7

6

9

15

4

5

17

19

23

25

20

8

12

31

26

27

24

29

30

28

28

30

29

AR-C150

1 – 6

No.

Parts

Note

Name

Function/Operation

19

PCU PWB (A)

Controls the engine section.

Differs in AR-C150 and
AR-C100.

20

PCU PWB (B)

Controls the engine section.

Differs in AR-C150 and
AR-C100.

21

Paper tray lift unit control PWB

Controls the paper tray lift unit.

Provided in each paper
tray lift unit.

22

Discharge lamp PWB unit

Discharges electric charges on the OPC drum.

23

IFD PWB

Equipped with No. 1/2 paper tray paper exit detectors and the right upper door
open/close detector.

24

PFD PWB unit

Equipped with No. 3/4 paper tray paper exit detectors and the right lower door
open/close detector.

25

Process control PWB

Interfaces signals between the developing unit, OPC drum unit, the high
voltage PWB, and the PCU PWB.

26

Fusing control PWB (AC sub
PWB)

Interfaces the heater lamp drive control, sensor, detector signals.

27

High voltage power PWB (TC)

Generates the transfer voltage.

28

DC main power PWB

Generates the voltage used by the other units than the operation unit.

29

DC sub power PWB

Generates the voltage used by the operation unit.

30

AC main power PWB

Controls the primary side power (AC power).

31

CCD PWB

Converts original images (light) into electrical signals.

The PWB units and the units are connected with serial data lines with
the MAIN PCU PWB as the center. The PCU MAIN PWB obtains
status information from the units through these lines, and sends com-
mands to the units based on the status information to control the
loads of the units. 

The serial data line between the MAIN PCU PWB and the ICU MAIN
PWB is used to exchange information for arranging the engine opera-
tion with the output timing of image data. 

MAIN PCU PWB

ICU MAIN PWB

OPERATION

CONTROL PWB

DUPLEX

UNIT(OPTION)

LARGE CAPACITY

PAPER

TRAY(OPTION)

RIC I/F

SUB PCU PWB

RADF UNIT(OPTION)

SORTER(OPTION)

PROCESS CONTROL

PWB

MAIN BODY SECTION

AR-C150

1 – 7

Simplex mode

Duplex mode

Simplex mode

Duplex mode

Simplex mode

Duplex mode

AR-C150

1 – 8

The paper feed section has standard provisions of three tray unit.
As an option, either of a paper feed unit or a duplex unit can be in-
stalled to the option slot (at the top).
The manual paper feed tray is provided to print on the special paper
as well as the color print paper. (AR-150 only)
The paper transport section transports paper fed from each paper
feed section to the transfer section (resist roller).
The paper feed and the paper transport sections are driven by the pa-
per feed motor.
This section is controlled by the PCU MAIN PWB and the PCU SUB
PWB.

PAPER TIMING

CONTROL

RRC MOTOR

PAPER FEED (

´

4)

MANUAL PAPER FEED

PAPER TRAY

LIFT UP UNIT

PAPER PICK UP

ROLLER

PAPER SEPARATION

ROLLER / PAPER

FEED ROLLER

PAPER

TRANSPORT

PAPER TRANSPORT

ROLLERS

PAPER TRANSPORT

CLUTCH

PAPER PICK UP

SOLENOID

PAPER PICK UP

ROLLER

PAPER SEPARATION

ROLLER / PAPER

FEED ROLLER

PAPER FEED CLUTCH

PAPER PICK UP

SOLENOID

PAPER FEED

MOTOR

PAPER

PAPER

PAPER FEED 
ROLLER CLUTCH

PCU

PWB

PAPER FEED TRAY SECTION

CN106

(34pin)

CN106

(34pin)

CN107

(32pin)

CN107

(32pin)

CPFS1

1ST PAPER

FEEDING UNIT

1ST LIFT UP UNIT

CPFC1

PED1
LUD1

LUM1

1CS

LIFT

UP

CPFS2

2ND PAPER

FEEDING UNIT

2ND LIFT UP UNIT

CPFC2

PED2
LUD2

LUM2

2CS

LIFT

UP

3RD PAPER

FEEDING UNIT

3RD LIFT UP UNIT

LUM3

3CS

LIFT

UP

CPFS3
CPFC3

PED3
LUD3

4TH PAPER

FEEDING UNIT

4TH LIFT UP UNIT

LUM4

4CS

LIFT

UP

CPFS4
CPFC4

PED4
LUD4

PCU

PWB

MANUAL PAPER FEEDING SECTION (AR-C150)

CN101

(20pin)

CN101

(20pin)

CN103

(18pin)

CN101

(20pin)

CN702

(40pin)

DCPS

OHPD

MPED

MPFS

MANUAL PAPER FEEDING UNIT

MANUAL PAPER FEEDING TRAY UNIT

AR-LC2

MPLD1

LCC UNIT

MPLD2

MTOP1

MTOP2

MPWS

AR-C150

2 – 1