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AR-M350 TROUBLE CODES 11-9

EE

EL

Content

Auto developer adjustment trouble 
(Over-toner)

Detail

The sample data is at 68 or below when auto 
developer adjustment is performed.

Cause

Toner concentration sensor trouble
Charging voltage, developing voltage 
abnormality
Insufficient toner concentration
Developing unit trouble
PCU PWB trouble

Check and 
remedy

Use DIAG (SIM25-2) to perform auto 
developer adjustment.

EU

Content

Auto developer adjustment trouble 
(Under-toner)

Detail

The sample data is of 168 or above when 
auto developer adjustment is performed. 

Cause

Insufficient toner concentration
Charging voltage, developing voltage 
abnormality
Insufficient toner concentration
Developing unit trouble
PCU PWB trouble

Check and 
remedy

Use DIAG (SIM25-2) to perform auto 
developer adjustment.

F9

02

Content

PRT Centro port check error

Detail

Controller Centro port trouble

Cause

Centro port trouble
Controller PWB trouble

Check and 
remedy

Replace the Controller PWB.

03

Content

NIC port check error

Detail

NIC port check error

Cause

NIC port trouble
NIC PWB trouble
Controller PWB trouble

Check and 
remedy

Replace the NIC PWB.
Replace the Controller PWB.

U1

01

Content

FAX Battery abnormality

Detail

Backup SRAM battery voltage fall

Cause

Battery life
Battery circuit abnormality

Check and 
remedy

Check that the battery voltage is about 2.5V 
or above.
Check the battery circuit. 

02

Content

RTC read abnormality 
(common with FAX, on ICU PWB)

Details

The value read from RTC on ICU PWB is 
[EE]h (abnormal).

Cause

RTC circuit abnormality
Battery voltage fall
Battery circuit abnormality

Check & 
Remedy

Set the time again with key operation, and 
check that time advances properly.
Check RTC circuit.
Check that battery voltage is about 2.5V or 
above.
Check battery circuit. 

MAIN

SUB

U2

00

Content

EEPROM read/write error (Controller)

Detail

EEPROM write error

Cause

EEPROM trouble
EEPROM is not initialized.
Controller PWB EEPROM access circuit 
trouble

Check and 
remedy

Check that EEPROM is properly inserted. 
Save the counter/adjustment values with the  
DIAG simulation.
Use DIAG (SIM16) to cancel U2 trouble.
Replace the Controller PWB.

11

Content

Counter check sum error (Controller)

Detail

Counter data area check sum error

Cause

EEPROM trouble
Control circuit trouble by noise
Controller PWB EEPROM access circuit 
trouble

Check and 
remedy

Check that EEPROM is properly inserted. 
Save the counter/adjustment values with the  
DIAG simulation.
Use DIAG (SIM16) to cancel U2 trouble.
Replace the Controller PWB.

12

Content

Adjustment value check sum error 
(Controller)

Detail

Adjustment data area check sum error

Cause

EEPROM trouble
Control circuit trouble by noise
Controller PWB EEPROM access circuit 
trouble

Check and 
remedy

Check that EEPROM is properly inserted. 
Save the counter/adjustment values with the  
DIAG simulation.
Use DIAG (SIM16) to cancel U2 trouble.
Replace the Controller PWB.

80

Content

EEPROM read/write error (Scanner)

Details

Scanner EEPROM write error

Cause

EEPROM abnormality
EEPROM which is not initialized is installed.
Hang of control circuit due to noises
Scanner PWB EEPROM access circuit 
abnormality

Check & 
Remedy

Check that EEPROM is set properly.
Record counter/adjustment values with the 
simulation to protect the data from being 
deleted.
Cancel U2 trouble with SIM 16.
Replace scanner PWB.

81

Content

Memory check sum error (Scanner)

Details

Scanner memory check sum error

Cause

EEPROM trouble
Control circuit freeze by noises
Scanner PWB EEPROM access circuit 
trouble

Check & 
Remedy

Check that EEPROM is set properly.
Record counter/adjustment values with the 
simulation to protect the data from being 
deleted.
Cancel U2 trouble with SIM 16.
Replace scanner PWB.

MAIN

SUB

 +     !"#

AR-M350 TROUBLE CODES 11-10

•Error code table

U2

90

Content

EEPROM read/write error (PCU)

Detail

PCU EEPROM write error

Cause

EEPROM trouble
EEPROM is not initialized.
Hang of control circuit due to noises
PCU PWB EEPROM access circuit trouble

Check and 
remedy

Check that EEPROM is properly inserted. 
Save the counter/adjustment values with the  
DIAG simulation.
Use DIAG (SIM16) to cancel U2 trouble.
Replace the Controller PWB.

91

Content

Memory check sum error (PCU)

Detail

PCU memory check sum error

Cause

EEPROM trouble
EEPROM is not initialized.
PCU PWB EEPROM access circuit trouble
Uninitialized EEPROM installed.

Check and 
remedy

Check that EEPROM is properly inserted. 
Save the counter/adjustment values with the 
DIAG simulation.
Use DIAG (SIM16) to cancel U2 trouble.
Replace the Controller PWB.

U7

00

Content

RIC communication trouble

Detail

RIC communication trouble
Communication cable test error after turning 
on the power or exiting DIAG.

Cause

Disconnection of connector and harness
RTC control PWB trouble
Control PWB (Controller) trouble
Noise or interference

Check and 
remedy

Canceled by turning OFF/ON the power.
Check connector and harness in the 
communication line. 

PF

00

Content

RIC copy inhibit signal is received.

Detail

Copy inhibit command from RIM (host) is 
received. 

Cause

Judged by the host.

Check and 
remedy

Inform to the host.

MAIN

SUB

Error code

Content of error

CE-01

The print server card (AR-NC5J) is broken down or is not 
installed. 

CE-02

The specified mail server or FTP server is not found.

CE-03

Communication with the specified server is interrupted 
during image transmission.

CE-04

The account name or the password for the FTP server is 
invalid.

CE-05

The directory of the FTP server is invalid.

CE-00

A communication error other than the above is generated, 
such as NIC cable disconnection

 ,     !"#

AR-M350 TROUBLE CODES 11-11

1 :Operation possible except for the staple mode
2 :Operation possible except for the trouble tray 

3 :Operation possible except for the trouble paper exit section

Trouble

Judgment 

block

Trouble

code

Operation-possible mode

Copy read 

(interruption, etc.)

FAX send

Email send

FAX print

Print 

List print

Scanner section troubles 
(Mirror motor, lens, copy lamp)

SCANNER

L1,L3,U2
(80,81)

X

X

X

O

O

O

FAX board trouble

Controller/
FAX

F6,F7

O

X

O

X

O

O

FAX power OFF

Controller

O

X

O

X

O

O

Network error

Controller

CE

O

O

X

O

O

O

Staple trouble

PCU

F1(10)

1

O

O

1

1

1

Paper feed tray trouble

PCU

F3, U6 
(Desk)

2

O

O

2

2

2

PCU section troubles 
(Motor, fusing, etc.)

PCU

X

O

O

X

X

X

After-work trouble

PCU

3

O

O

3

3

3

Laser trouble

PCU

E7 
(02 only), 
L6

X

O

O

X

X

X

HDD trouble

Controller

E7 (03)

X

X

X

X

X

X

CCD troubles (Shading, etc.)

SCANNER

E7 
(10, 11, 13)

X

X

X

O

O

O

Scanner communication trouble

Controller

E7 (80)

X

X

X

O

O

O

PCU communication trouble

Controller

E7 (90)

X

O

O

X

X

X

Backup battery voltage fall

Controller

U1 (01, 02)

O

X

X

O

O

O

O :

Operation possible

X :

Operation impossible

 : Operation possible depending on conditions

Trouble

Judgment 

block

Trouble

code

Operation-possible mode

Copy read 

(interruption, etc.)

FAX send

Email send

FAX print

Print 

List print

Memory trouble 
(Expansion RAM not installed, etc.)

Controller

U2
(00, 11, 12)

X

X

X

X

X

X

External communication invalid (RIC) Controller

U7, PF

X

X

X

X

X

X

Image memory trouble, decode error Controller

E7(01, 06)

X

X

X

X

X

X

X :

Operation impossible

      !"#

AR-M350 TROUBLE CODES 11-12

O : Operation enable                                          X : Operation disable

 1 : Enable in other than trouble tray
 2 : Go to FAX status check menu, and printing of list is allowed.

 

: Received document is outputted.

 3 : Paper exit enable to other tray than trouble one.

0:

The same trouble as the previous one is not recorded. (Default)

1:

Trouble

Trouble code

Operation enable mode

Send reservation

Print

Send call

Receive call

Note

PCU general troubles

O

X

O

O  Note

Possibly causing memory full.

Paper feed tray trouble

F3,U6

O

 1

O

O

Paper exit section trouble

F1

O

 3

O

O

Scanner general troubles

X

O

O

O

FAX trouble

F6,F7

X

X

X

X

ICU trouble

E7(01,06,80,90)

X

X

X

X

ICU memory error

U2(00,11,12)

X

X

X

X

RIC external communication trouble, PF U7

X

X

X

X

Backup battery voltage fall

U1

X

 2

X  Note

X

Transfer enable

Door open

O

X

O

O  Note

Possibly causing memory full.

Toner empty

O

X

O

O  Note

Possibly causing memory full.

No process cartridge, etc.

O

X

O

O  Note

Possibly causing memory full.

Paper empty

O

X

O

O  Note

Possibly causing memory full.

Paper jam

O

X

O

O  Note

Possibly causing memory full.

Document jam

X

O

O

O

Simulation X

X

X

X

Key operation (Communication disable)

X

X

X

X

Machine operation possible 
depending on conditions

Operations except for the trouble mode are possible (READY).
For the mode where operations are impossible, only setup can be allowed, and the message is provided to show 
that operations are impossible. (NOT READY in this case.)
(Display)
A dialog is shown in case of a trouble. For the mode where operations are possible, the OK button is added to the 
message. For the mode where operations are impossible, the OK button is not shown, and the process to cancel is 
indicated.

Machine operation is impossible The trouble display is always shown, and all setup operations are invalid.

 $     !"#