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
+ !"#
