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a. When SPPD is ON (document remaining) when the power is turned on.
b. When SPPD is not turned ON within about 1.5 sec (at 100% copy) after starting the document feed operation.
c. When SPPD is not turned on within about 4.7 sec (at 100% copy) after turning on SPPD.
d. When the SPF document jam release door or the OC cover is opened during document transport (SPF motor rotating).

SPID ON

PSW ON

MIRM rotation

MM rotation

CPFS ON

SPFM rotation

SPUS ON

Document set

Document set sensor

Document feed unit lamp ON

PPD ON

RRC ON

SPPD ON

POD ON

Copy start

The scanner is shifted
to the exposure position.

(Copier side)

Main motor rotation

Paper feed

Synchronization

(Transfer)

(Fusing)

(Document exit)

Paper transport

(Exposure)

In the zooming mode, the magnification ratio in the sub 
scanning direction (paper transport direction) is adjusted
by changing the document transport speed.

(Paper exit)

SPF motor rotation

Document feed

Document transport sensor

Document transport

(SPF side)

Time chart (Tray feed)

AR-F151

6  –  8

Gate OFF

Lower Side of Gate

Gate ON

Gate ON

Upper Side of Gate

Gate ON

Gate OFF

Set duplex documents on the document tray.
Set paper on the cassette. (In the duplex mode, the manual feed tray
cannot be selected.)

Document transport: The document feed roller feeds the document

from the paper feed roller to the PS roller.
→ The document is exposed in the exposure

section, and sent to the document exit section
by the transport/paper exit roller.

→ R-SPF gate solenoid ON

→ The document is sent to the intermediate tray

(but not discharged completely.)

→ The document is stopped once, then

switchback operation is performed. (To the
back copy)

Paper transport:

The document is passed through the paper feed
roller and the PS roller by the paper feed roller
and the images on the front surface are trans-
ferred.
→ The paper is passed through the fusing sec-

tion and the lower side of the gate section to
the paper exit tray side, (but not discharged
completely.)

→ It is stopped once and switchback operation

is performed. (To the back copy)

Document transport: By switchback operation, the document is sent

through the PS roller to the exposure section,
where the back of the document is exposed.
→ It is sent to the document exit section by the

transport roller and the paper exit roller.

→ R-SPF gate solenoid ON. The document is

sent to the intermediate tray, (but not dis-
charged completely.)

→ It is stopped once and switchback operation

is performed.

→ It is sent through the PS roller and the ex-

posure section (without exposure operation)
to the document exit section.

→ R-SPF gate solenoid OFF

→ The document is discharged to the document

exit tray.

Paper transport:

Switchback operation is performed.
→ The paper is sent through the upper side of

the gate section and the duplex transport sec-
tion, and the PS roller, and the images on the
back are transferred.

→ It is sent through the fusing section and dis-

charged to the paper exit tray.

Switchback operation is made after back copying in order to discharge
documents according to the setting.
Set document    Documents after discharge,

1

with empty feed

4

without empty feed

3

2

3

4

3

2

1

4

1

2

There are following job modes as well as D-D mode.

S - S (Simplex to Simplex)
S  -  D (Simplex to Duplex), Rotation copy mode (The back images are

rotated 180˚.)

S - D (Simplex to Duplex), Copy mode without rotation
D - S (Duplex to Simplex)

Rotation copy mode:

The front and the back are in upside down each other.

Copy mode without rotation:

The front and the back are not in upside down.

AR-F151

6  –  9

TD

ER

DR

DL

WT

TD1

TD

Line out routine

CML signal OFF

Beep alam

END beep

CML signal OFF

Send DCN

Communicatinon error flag ON

Send DCN

WT

FLOW-VE1

Start

RX

Cl signal received?

CML ON

Button pressed?

Auto dial

AU

CML ON

OFF HOOK?

OFF HOOK?

CML ON

Documents exist?

START key pressed?

RX

TX

No

No

No

No

No

No

Yes

Yes

Yes

Yes

Yes

Yes

AR-F151

6  – 10

TX

TX3

TX1

Tum on TEL LED

Command received?

DIS or DTC  

Polling mode? 

Set mode

ER

RX1

Insert document

Send DCS

Make 75msec delay

Send traning

Send TCF

Response received?

DIS?

DTC?

FTT?

CFR?

Document on?

Send traning?

Send image information

Send RTC

75msec delay

TX2

ER

T1 elapsed?

TD

TD

TX6

TD1

TD

TX1

3 retrys?

3 retrys?

Fall back possible?

TD1

Tx3

3 times?

Send EOM

Response received?

PIN or PIP

MCF

RTP

RTN

TX6

TD1

TX2

3 times?

TD

RTN

RTP

MCF

PIN or PIP

Response received?

Send MPS

Mode change?

Last document

Send EOP

Response received?

3 times?

TD1

TD

DL

TX7

RTN

RTP

MCF

PIN or PIP

NO

NO

N O

YES

YES

NO

YES

NO

YES

NO

YES

YES

YES

NO

NO

NO

YES

NO

NO

NO

YES

YES

YES

YES

YES

YES

NO

NO

NO

NO

NO

YES

YES

YES

YES

NO

NO

NO

NO

YES

YES

NO

YES

YES

YES

YES

NO

NO

YES

YES

NO

FLOW-VE-2

YES

YES

NO

NO

NO

YES

YES

NO

NO

YES

AR-F151

6  – 11