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AR-BC320 TROUBLESHOOTING 11 - 3
6. Details
U2
00
EEPROM read/write error (ICU detection)
11
EEPROM check sum error (ICU detection)
30
Production No. data discrepancy (ICU
⇔
ICU)
80
EEPROM read/write error (SCN detection)
81
EEPROM check sum error (SCN detection)
90
EEPROM read/write error (PCU detection)
91
EEPROM check sum error (PCU detection)
U4
02
ADU alignment plate operation abnormality
U5
00
ADF communication trouble
01
ADF resist sensor defect
02
ADF repulsion sensor defect
03
ADF timing sensor defect
11
Paper feed motor operation abnormality
U6
00
Desk communication trouble
01
Desk tray 1 lift motor trouble
02
Desk tray 2 lift motor trouble
03
Desk tray 3 lift motor trouble
10
Desk transport motor trouble
U7
00
RIC communication trouble
UC
02
CPT-ASIC trouble (MFP PWB trouble)
Main
code
Sub
code
Title
PCU PWB error
A0
00
Display
Lamp/Message
Phenomenon Detail
When the power is turned
on, conformity of the PCU
PWB and the PCU ROM is
checked to be found that
there is no conformity.
Section
PCU PWB
Case 1
Cause
PCU PWB trouble
Check &
Remedy
Replace the PCU PWB.
Case 2
Cause
PCU PWB mistaken
Check &
Remedy
Replace the PCU PWB.
Main
code
Sub
code
Title
Image density sensor error/
Transfer charger error (Black)
C2
10
Display
Lamp/Message
Phenomenon Detail
Black image density
sensor trouble /Transfer
trouble (Black) /The
deference between the
transfer belt surface
detection level and the
black toner patch density
detection level is normal.
(Judged in black image
density sensor calibration)
Section
Transfer
Case 1
Cause
Black image density
sensor trouble
Check &
Remedy
Black density image sensor
cleaning, replacement
Case 2
Cause
Transfer voltage trouble
Check &
Remedy
Check and adjust the
transfer voltage.
Case 3
Cause
High voltage PWB trouble
Check &
Remedy
Replace the high voltage
PWB.
Main
code
Sub
code
Content
C2
10
Case 4
Cause
Transfer unit trouble
Check &
Remedy
Check the transfer belt
surface for dirt and
scratches.
Replace the transfer belt,
replace the cleaning blade,
replace the transfer unit.
Case 5
Cause
PCU PWB trouble
Check &
Remedy
PCU PWB replacement
Case 6
Cause
Photoconductor unit
trouble
Check &
Remedy
Replace the
photoconductor unit.
Case 7
Cause
Developing unit trouble
Check &
Remedy
Replace the developing
unit
Case 8
Cause
Connector, harness trouble
(PCU PWB, high voltage
PWB, image density
sensor, photoconductor
unit, transfer unit,
developing unit)
Check &
Remedy
Check contact. Replace
the harness. Replace the
PWB.
Main
code
Sub
code
Title
Image data memory trouble
E7
01
Display
Lamp/Message
Phenomenon Detail
The ICU image data
memory (SDRAM) cannot
be detected as 256MB or
more. The required
SDRAM capacity for the
model is not provided.
Section
ICU PWB
Case 1
Cause
The SDRAM of ICU PWB
is not installed. The
SDRAM of ICU PWB is
improperly installed.
Check &
Remedy
Check installation of the
SDRAM of ICU ASIC PWB.
Case 2
Cause
The SDRAM of ICU PWB
does not operate properly.
Check &
Remedy
Use SIM 60-01 to check
the capacity of the
SDRAM. Replace the
SDRAM of ICU PWB.
Case 3
Cause
ICU PWB abnormality
Check &
Remedy
Replace the ICU PWB.
Main
code
Sub
code
Title
ICU gate array trouble
E7
07
Display
Lamp/Message
Phenomenon Detail
An abnormality occurs in
the ICU gate array.
Section
ICU PWB
Case 1
Cause
ICU PWB abnormality
Check &
Remedy
Replace the ICU PWB.
Case 2
Cause
Gate array (ASIC, FPGA)
abnormality on the ICU
PWB
Check &
Remedy
Replace the gate array on
the ICU PWB.
Main
code
Sub
code
Title
Image density sensor error/
Transfer charger error (Black)
Summary of Contents for AR-BC320
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