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125

001

RCV

COPY

C, D

Leading edge of the recording 
paper fails to reach the Timing 
Sensor.
(1st Cassette)

Recording paper jam.
Timing Sensor abnormal.

002

RCV

COPY

C, D

Leading edge of the recording 
paper fails to reach the Timing 
Sensor.
(2nd Cassette)

Recording paper jam.
Timing Sensor abnormal.

007

RCV

COPY

C, D

1.Leading edge of the recording 

paper fails to reach the Paper 
Exit Sensor.

2.Recording paper has not 

completely passed the Paper 
Exit Sensor.

Recording paper jam.
Paper Exit Sensor abnormal.

010

RCV

COPY

B, C

No recording paper. 

No recording paper or paper is not set
properly.
No Paper Sensor is defective.

011

STANDBY

B, C

Paper Cassette is not installed 
properly.

012

RCV

C, D

The length of the received 
document is over 2 meter (78.7in).

021

STANDBY

RCV

COPY

B, C, D Thermistor is abnormal.

Fuser Control is abnormal.
Fan is abnormal.

Defective SC PCB.
Defective Fuser Unit, Power Supply 
Unit.
Defective Fan.

030

XMT

B

Read Point Sensor does not go 
ON within 10 seconds after the 
document starts feeding.

Document is not set properly.
Defective Read Point Sensor.

031

XMT

COPY

C

Transmitting document was longer
than 2 meter (or 78.7 in).

The document may jam.
Defective Read Point Sensor.

041

STANDBY

RCV

COPY

B, C, D Out of toner.

No toner.
Defective Toner Sensor.

043

STANDBY

RCV

COPY

B, C, D Low toner.

Toner is getting low.
Defective Toner Sensor.

045

STANDBY

-

No Toner Cartridge.

Toner cartridge has not been installed.
Defective Toner Sensor 
(Cartridge Sensor).

051

RCV

COPY

-

Printer Motor abnormal.

Connector not properly connected.
Defective Printer Motor.
Defective SC PCB.

054

STANDBY

RCV

COPY

-

HSYNC abnormal.
Motor abnormal.

Defective Laser Unit.

060

-

A

Printer Cover is open.

Cover is not firmly closed.
Connectors are not firmly connected.

061

-

A

ADF Door is open.

Door is not firmly closed.
Connectors are not firmly connected.

126

200

RCV

C

Decoding process is not completed
at the end of phase C.

Defective SC PCB.

212

XMT 
RCV

A-E

Interface error occurred between 
the CPU and modem.

Modem is defective. (SC PCB)
Software problem occurred. (SC PCB)

301

XMT 
RCV

-

System fault.

Software problem occurred. (SC PCB)

331

XMT

C

8-minutes timer error. 
(Germany only)

390

STANDBY

RCV

PRINT

-

Interface error occurred between 
the machine and the PC.

Firmware update error.
GDI print error.
(Perform the operation again)

400

XMT

B

T1 timer (35±5 sec.) elapsed 
without detecting 300 bps signal.

Wrong number is dialed and the START 
button is pushed.
Telephone line is disconnected while 
dialing.
SC PCB (Modem) or MJR PCB are 
defective.
Receiver is defective. (It may only be 
transmitting CED)

401

XMT

B

DCN was returned from receiver 
while transmitter is waiting for CFR 
or FTT.

Your machine's ID Number is not 
programmed.
Possible incompatibility or incorrect 
Password.

402

XMT

B

DCN was returned from receiver 
while transmitter is waiting for 
NSF/DIS.

Receiver working in non-CCITT mode 
only. (Possible incompatibility)

403

RCV

(Polling)

B

Transmitter had no polling function. "POLLED=ON" (polling XMT ready) is 

not set at the transmitter. 
Document to be transmitted is not 
placed at the transmitter.

404

XMT

B

Transmitter sent NSS (or DCS) 
followed by TCF three times, but 
the receiver did not respond. (CFR 
or FTT is usually returned)

Receiver is defective. (Modem, MJR 
PCB, etc.) 
SC PCB or MJR PCB are defective.
Receiver disconnects line during first 
NSS (or DCS) is transmitted.

405

XMT

B

Transmitter received FTT after it 
transmitted TCF at 2400bps.
Received RTN after 
communicating at 2400 bps.

Line quality is poor. (TCF is damaged 
due to line noise)
Receiver is defective. (Modem, etc.) 
SC PCB or MJR PCB are defective.

406

RCV

(Password 

Comm.)

B

XMT-Password mismatched.
RCV-Password mismatched.
Selective RCV incomplete.

XMT, RCV password does not match.
Last 4 digits of TSI does not match with
the last 4 digits of ONE-TOUCH, ABBR
telephone 
number.

407

XMT

D

Transmitter received no response 
after it transmitted post message, 
such as EOP, MPS, EOM, etc...or 
received DCN.

Receiver is defective. (No paper, paper 
jamming, etc.) 
Receiver ceased receiving because of 
excessive error. (Line quality is poor) 
SC PCB (Modem) or MJR PCB are 
defective.

127

408

XMT

D

Transmitter received RTN after it 
transmitted EOP, MPS, or EOM.

Receiver receives data with error. (Line 
quality is poor) 
Receiver is defective. (Modem, etc.)
SC PCB or MJR PCB are defective.

409

XMT

D

Transmitter receives PIN after it 
transmitted a post message, such 
as EOP, MPS, EOM, etc.

Receiver receives data with error due to 
poor line quality, and receiving operator 
requests voice contact.
Receiver is defective. (Modem, etc.)
SC PCB or MJR PCB are defective.

410

RCV

D

Received DCN while waiting for 
post command. (EOP, MPS, EOM, 
etc.)

Interface or line is faulty.
Transmitter is defective.

411

RCV

(Polling)

B

Received DCN after transmitting 
NSC.

Transmitter is not ready for polling  
communication. 
Password does not match between 
transmitter and receiver.

412

G3 RX

B, D

No response within 12 seconds in 
NSS/DCS/MPS wait state. (After 
transmitting FTT)

Transmitter is defective.
SC PCB is defective.

414

RCV

(Polling)

B

No response received after 
transmitting 3rd NSC.

Password does not match between 
transmitter and receiver.
Transmitter is defective. (No original, 
document jam, etc.)

415

XMT

(Polling)

B

Remote side attempted to receive 
message from your machine in 
polling communication.

Inform the remote side that your 
machine does not have the polling 
transmission feature.

416

RCV

D

Receiver did not detect post 
command, such as EOP, MPS, 
EOM, etc.

Transmitter is defective.
Line quality is poor. (RTC signal is 
distorted due to line noise)
SC PCB or MJR PCB are defective.

417

RCV

C

Receiver returned RTN in 
response to post message.

Line quality is poor. (There are 
excessive errors in received data)
SC PCB or MJR PCB are defective.

418

RCV

C

Receiver transmitted PIN in 
response to PRI-Q from 
transmitter. (Transmitting operator 
requests voice contact)

Line quality is poor. (There are 
excessive errors in received data)
SC PCB or MJR PCB are defective.

420

RCV

B

T1 timer (35 sec.) elapsed without 
detecting 300 bps signal.

There is wrong incoming call.(non-
facsimile communication)
Transmitter is defective.
SC PCB or MJR PCB are defective.

421

RCV

B

Busy Tone is detected after 
sending NSF Signal.

Remote station disconnected the line.
Wrong number is dialed.

422

XMT

B

Content of NSF (or DIS) or NSC 
(or DTC) was invalid.

There is an incompatibility.

427

G3 

RCV

B

DCN received to NSF/CSI/DIS 
transmitted.

The interface is incompatible.

433

XMT 
RCV

B, D

T.30 Protocol abnormal.

Defective remote station.

128

434 XMT or RCV

B

CD (response from Modem) did 
not turn OFF within 180 sec. after 
receiver detected FLAG signal.

Remote unit is defective.
SC PCB or MJR PCB are defective.

436

G3 RX

C

DCN received after transmitting 
FTT.

Transmitter is defective or incompatible.
Line quality is poor.

456

RCV

B

Received relay transfer request or 
confidential document to distribute 
to an end receiving station or all 
confidential mailboxes are used.

459

RCV

C

Failed training in Phase C.

Line quality is poor. (Training signal is 
distorted due to line noise)
SC PCB or MJR PCB are defective.

490

RCV

C

Sum of error lines exceeded the 
limit (Function Parameter No. 70) 
of 64 lines.

Line quality is poor.
SC PCB or MJR PCB are defective.

494

RCV

C

Interval between two EOLs was 
more than 10 sec. when receiver 
received message data.

Transmitter is defective.
Line quality is poor. (EOL is damaged 
due to line noise)
SC PCB or MJR PCB are defective.

495

XMT 
RCV

C

During reception, CD turned OFF 
or continued ON for long time. 
During communication, lost loop - 
current.

Line is disconnected.
Transmitter is defective.
SC PCB or MJR PCB are defective.

496

XMT

C

CS of modem is not able to turn 
ON.

SC PCB is defective.

501

XMT/

RCV(V.34)

B

Remote unit does not have 
compatible Modem.

502

XMT/

RCV(V.34)

B, C, D During reception, CD turned OFF 

or continued ON for long time. 
During communication, lost loop - 
current.

Line is disconnected.
Transmitter is defective.
SC PCB or MJR PCB are defective.

503

XMT/

RCV(V.34)

B, C, D CS of modem is not able to turn 

ON during training.

SC PCB is defective.
Line is disconnected.

504

XMT/V.34

(Polling)

B

Polling is rejected from the remote
station.

No polling original is set.

505

XMT/V.34

(Polling)

B

Polling XMT is rejected.

No polling original is set.

540

XMT ECM

B

No response after transmitting 3rd 
CTC or DCN received.

Incompatible interface.

541

XMT ECM

D

No response after transmitting 3rd 
EOR or received DCN.

Line is faulty.
MJR PCB abnormal.

542

XMT ECM

D

No response to the 3rd RR 
transmitted or received DCN.

Remote unit is abnormal.

543

XMT ECM

D

T5 timer (60 sec.) elapsed without 
MCF.

Remote unit is abnormal.

544

XMT ECM

D

Stopped Transmission after EOR 
Transmission.

Line is faulty.
MJR PCB abnormal.

550

RCV ECM

C

Timer between frames in phase C 
has elapsed.

Defective remote station.

554

RCV ECM

D

Transmitted ERR after receiving 
EOR.

Line is faulty.