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13

14

• LCD (Liquid Crystal Display) readout

• 12 second transmission speed *
• Automatic document feeder (up to 10 sheets)
• Resolution: Standard/Fine/Super fine/Photo (64 level)
• Broadcast
• Automatic fax/phone switching

* The 12 second speed is based upon the ITU-T No. 1 Test 
Chart on the condition that memory transmission is 
performed.

• On-hook dialing
• Digital speakerphone
• Voice muting
• Redialing function
• The Base unit provide a phonebook (100 items)
• The cordless handset provide a phonebook (100 items)
• Caller ID

The calling party’s name or telephone number will be
displayed after the 1st ring. You have the option of whether
or not to answer the call. 
The unit will automatically store caller information (name,
telephone number, date and time of the call) from the 50
most recent callers.
It is possible to view caller information one at a time on the
display or print the entire Caller ID list.

• 64-Level halftone

• Voice Time / Day Stamp
• 15-Minutes recording time

• Fax activation from cordless handset
• Battery performance:

18 hours max(In continuous use) and 
170 hours max(Not in use in standby mode).

15

Power Supply Unit

Operation Panel Board

Digital Unit

Analog Board

Document set sensor

Document Top sensor

SW339

JAM SENSOR

SW101

PAPER SENSOR

SW102

SW338

Inter Unit

+24V 
+24V 
+24V

GND 
GND 
GND 
+6V 
+4V

Thermal

Head

5

4

3

2

1

CN405

RXE

RM3

RM2

RM1

RM0

Motor

7

6

5

4

3

2

1

8

9

10

11

7

6

5

4

3

2

1

8

9

10

11

COM

DATA

STB2

GND

CLOCK

TM

+3.3V

GND

STB1

LATCH

COM

CN411

CN404

2

1

MPOS

GND

CN408

CIS

7

6

5

4

3

2

1

1

2

3

4

5

6

7

V_LED

G_LED

CLK

TGR

+3.3V

GND

SI

MiC

MICAG

GND

+5V

KSTART

KLATCH

KRXD

KTXD

KSCLK

RESET

MIC

2

1

CN14

CN918

Sensor Board

2 
1

GND

FILM_CHECK

CN206

CN101

CN102

TO TEL LINE

TO EXT. TEL

1

2

SP (+) 
SP (-)

7 
6 
5 
4 
3 
2 
1

8

7 
6 
5 
4 
3 
2 
1

8

CN409

Sensor

SW1004

7 
6 
5 
4 
3 
2 
1

8

7 
6 
5 
4 
3 
2 
1

8

CN105

SP

Cordless

Handset

CN1

SW1003

(Contact Image Sensor)

Charger

Unit

3

2

1

3

2

1

+6V

GND

2

1

Charge (+)

Charge (-)

Charge T

e

rminal

CN526

CN407

CN527

CHARGE

LINETX

MONRX

MDMRX

BBRX

+5V

PSHORT

DCN

LINERLY

BELL

AG

+24V

DG

CPC

PAPER

SP (+)

SP (-)

CN19

CN18

CN103

CN104

2

3

4

5

1

2

3

4

5

1

9

10

11

12

13

14

15

8

7

6

5

4

3

2

1

9

10

11

12

13

14

15

8

7

6

5

4

3

2

1

JAM

7

6

5

4

3

2

1

8

9

10

7

6

5

4

3

2

1

8

9

10

11

7

6

5

4

3

2

1

8

9

10

7

6

5

4

3

2

1

8

9

10

11

CN402

CN403

CN5

CN4

RM2

RM3

RXE

GND

GND

+6V

CHARGE

+4V

STB1

TH_TMP

STB2

TH_DATA

TH_CLK

THLAT

HEAD ON

+24V

MDDPOS

CUT_POS

RM1

RM0

+3.3V

16

The following is an outline of each device IC on the digital board. (Refer to General Block Diagram (P.17).).

1. ASIC (IC10)

Composed mainly of an address decoder and a modem control.
Controls the general FAX operations.
Controls the operation panel I/F.
Controls the thermal head I/F and CIS I/F.
Performs the image processing.
CPU and Real time clock
Provides the reset pulse for each of the major ICs. 

2. Flash ROM (IC16)

Contains all of the program instructions on the unit operations.
This memory is used mainly for the parameter working in the storage area.

3. Dynamic RAM (IC17)

This memory is used mainly for the parameter working in the storage area.

4. MODEM (IC3)

Performs the modulation and the demodulation for FAX communication.

5. Read Section

CIS image sensor to read transmitted documents.

6. Motor Driver (IC401)

Drives the transmission motor and the reception motor.

7. Thermal Head

Contains heat-emitting elements for dot matrix image printing.

8. BBIC (Base Band IC): IC4

Handling all the audio, signal and data processing needed in a DECT base unit
Controlling the DECT specific physical layer and radio section (Burst Module Controller section)
ADPCM codec filter for speech encoding and speech decoding (DSP section)
Echo-cancellation and Echo-suppression (DSP section)
Any tones (tone, sidetone, ringing tone, etc.) generation (DSP section)
DTMF receiver (DSP section)
Clock Generation for RF Module
ADC, DAC, timer, and power control circuitry
All interfaces (ex: RF module, EEPROM, LED, Analog Front End, etc.)

9. RF Module: IC28

PLL Oscillator
Detector
Compress/Expander
First/Second Mixer
Amplifier for transmission and reception

10. FLASH MEMORY: IC23

Voice Prompt (TAM) D/L (DownLoad) Area
Programming for BBIC (IC4)

11. EEPROM: IC22

Temporary operating parameters (for RF, etc.)

12. Sensor Section

Composed of a cover open and cutter position switch, a read position switch, a Document top switch, a paper sensor, Jam 
sensor and a motor position sensor.

13. Power Supply Board Switching Section

Supplies +4V, +6V and +24V to the unit.