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AR-M550/M620/M700 SELF DIAG MESSAGE AND TROUBLESHOOTING 9 - 31
Main
code
Sub
code
Title
Drum motor lock detection
L4
02
Phenomenon
Display
Lamp
Message
Details
Drum motor lock
detection
The motor lock signal is
detected for 1.5sec
during rotation of the
drum motor.
Section
Engine
Operation
mode
Note
Case 1
Trouble
position/
Cause
Drum motor trouble
Remedy
Use SIM 6-1 to check the
drum motor operation.
Note
Case 2
Trouble
position/
Cause
Improper connection of
the harness between the
PCU PWB and the drum
motor
Control circuit trouble
Remedy
Check the harness and
the connector of the PCU
PWB, and the drum
motor.
Note
Main
code
Sub
code
Title
Fusing motor lock detection
L4
03
Phenomenon
Display
Lamp
Message
Details
Fusing motor lock
detection
Three successive trouble
signals are detected after
600 msec from starting
the fusing motor.
Section
Engine
Operation
mode
Note
Case 1
Trouble
position/
Cause
Fusing motor trouble
Remedy
Use SIM 6-1 to check the
fusing motor operation.
Note
Case 2
Trouble
position/
Cause
Improper connection of
the harness between the
PCU PWB and the fusing
motor
Control circuit trouble
Remedy
Check connection of the
harness and the
connector between the
PCU PWB and the fusing
motor.
Note
Main
code
Sub
code
Title
Developing motor lock detection
L4
04
Phenomenon
Display
Lamp
Message
Details
Developing motor lock
detection
The motor lock signal is
detected for 1.5sec
during rotation of the
developing motor
Section
Engine
Operation
mode
Note
Case 1
Trouble
position/
Cause
Developing motor trouble
Remedy
Use SIM 6-1 to check the
developing motor
operation.
Note
Case 2
Trouble
position/
Cause
Improper connection of
the harness between the
PCU PWB and the
developing motor
Control circuit trouble
Remedy
Check the harness and
the connector between
the PCU PWB and the
developing motor.
Note
Main
code
Sub
code
Title
Transfer belt separation motor
trouble detection
L4
06
Phenomenon
Display
Lamp
Message
Details
Transfer belt separation
motor trouble detection
The transfer belt home
position sensor ON/OFF
is not detected within the
specified time (4 sec)
during operation of the
transfer belt (separation,
contact).
Section
Engine
Operation
mode
Note
Case 1
Trouble
position/
Cause
Transfer belt separation
motor trouble
Remedy
Use SIM 6-1 to check the
transfer belt motor
operation.
Note
Case 2
Trouble
position/
Cause
Improper connection of
the harness between the
PCU PWB and the
transfer belt separation
motor.
Control circuit trouble
Remedy
Check connection of the
harness and the
connector between the
PCU PWB and the fusing
motor.
Note
Summary of Contents for AR-M550N
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