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AR-BC320 TROUBLESHOOTING 11 - 25
Main
code
Sub
code
Title
ADU alignment plate operation
abnormality
U4
02
Display
Lamp/Message
Phenomenon Detail
The alignment plate does
not move from the home
position within 1sec when
it must move. Return to the
home position is not
detected for 5sec or more.
Section
ADU
Case 1
Cause
Home position sensor
trouble
Check &
Remedy
Use SIM 9-2 to detect the
home position sensor.
Case 2
Cause
Alignment plate shift motor
trouble
Check &
Remedy
Use SIM 9-4 to check the
alignment plate operation.
Case 3
Cause
Disconnection of the
harness between the ADU
control PWB and the motor
sensor.
Check &
Remedy
Check connection of the
harness between the ADU
control PWB and the motor
sensor.
Case 4
Cause
Alignment plate operation
belt, gear breakage or
improper adjustment
Check &
Remedy
Remove the ADU, and
check for breakage of the
gear and the belt.
Main
code
Sub
code
Title
ADF communication trouble
U5
00
Display
Lamp/Message
U5
00
Phenomenon Detail
Communication test error
when turning on the power
or after canceling the
exclusive simulation.
Communication error with
the ADF
Section
ADF
Case 1
Cause
Improper connection or
disconnection of the
connector and the harness
Check &
Remedy
Check the connector and
the harness in the
communication line.
Turn OFF/ON the power to
cancel the error.
Case 2
Cause
ADF control PWB trouble,
control PWB (MFP)
trouble, malfunction
caused by noises
Check &
Remedy
Check the ADF control
PWB and the control PWB
(MFP).
Turn OFF/ON the power to
cancel the error.
Main
code
Sub
code
Title
ADF resist sensor trouble
U5
01
Display
Lamp/Message
Phenomenon Detail
ADF resist sensor
detection trouble
Section
ADF
Case 1
Cause
Sensor trouble
Check &
Remedy
Use SIM 2-2 to check the
resist sensor detection.
Case 2
Cause
Disconnection of the
harness in the ADF.
Check &
Remedy
Check the harness in the
ADF.
Case 3
Cause
ADF control PWB trouble
Check &
Remedy
Replace the ADF control
PWB.
Main
code
Sub
code
Title
ADF repulsion sensor trouble
U5
02
Display
Lamp/Message
Phenomenon Detail
ADF paper feed/reverse
sensor detection trouble
Section
ADF
Case 1
Cause
Sensor trouble
Check &
Remedy
Use SIM 2-2 to check the
resist sensor detection.
Case 2
Cause
Disconnection of the
harness in the ADF.
Check &
Remedy
Check the harness in the
ADF.
Case 3
Cause
ADF control PWB trouble
Check &
Remedy
Replace the ADF control
PWB.
Main
code
Sub
code
Title
ADF timing sensor trouble
U5
03
Display
Lamp/Message
Phenomenon Detail
ADF timing sensor
detection trouble
Section
ADF
Case 1
Cause
Sensor trouble
Check &
Remedy
Use SIM 2-2 to check the
resist sensor detection.
Case 2
Cause
Disconnection of the
harness in the ADF.
Check &
Remedy
Check the harness in the
ADF.
Case 3
Cause
ADF control PWB trouble
Check &
Remedy
Replace the ADF control
PWB.
Main
code
Sub
code
Title
Paper feed motor operation
abnormality
U5
11
Display
Lamp/Message
Phenomenon Detail
Paper feed motor
operation abnormality
Section
ADF
Case 1
Cause
Motor lock, motor RPM
abnormality, Over current
to the motor, ADF control
PWB trouble
Check &
Remedy
Use SIM 2-2/3/4 to check
the paper feed motor
operation.
Содержание AR-BC320
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