Read Sharp MX-M350N / MX-M350U / MX-M450N / MX-M450U (serv.man8) Service Manual online
MX-M350/M450 N/U TROUBLE CODES 11 - 10
H5
01
Content
5-time continuous POD1 not-reaching
jam detection
jam detection
Detail
5-time continuous POD1 not-reaching
jam detection
jam detection
Cause
A fusing section jam is not properly
removed. (Jam paper remains.)
POD1 sensor trouble, or harness
disconnection
Improper installation of fusing unit
removed. (Jam paper remains.)
POD1 sensor trouble, or harness
disconnection
Improper installation of fusing unit
Check and
remedy
remedy
Check jam paper in the fusing section.
(winding, etc.)
Check POD1 sensor harness, and
check the fusing unit installation.
Use SIM14 to cancel the trouble.
(winding, etc.)
Check POD1 sensor harness, and
check the fusing unit installation.
Use SIM14 to cancel the trouble.
L1
00
Content
Scanner feed trouble
Details
Scanner feed is not completed within
the specified time.
the specified time.
Cause
Scanner unit abnormality
Scanner wire disconnection
Scanner wire disconnection
Check &
Remedy
Remedy
Check scanning with SIM 1-1.
L3
00
Content
Scanner return trouble
Details
Scanner return is not completed within
the specified time.
the specified time.
Cause
Scanner unit abnormality
Scanner wire disconnection
Scanner wire disconnection
Check &
Remedy
Remedy
Check scanning with SIM 1-1.
L4
01
Content
Main motor lock detection
Detail
The motor lock signal is detected for
1.5sec during rotation of the main
motor.
1.5sec during rotation of the main
motor.
Cause
main motor trouble
Check connection of harness between
the PCU PWB and the main motor.
Control circuit trouble
Check connection of harness between
the PCU PWB and the main motor.
Control circuit trouble
Check and
remedy
remedy
Use SIM25-1 to check the main motor
operation.
Check harness and connector between
the PCU PWB and the main motor.
operation.
Check harness and connector between
the PCU PWB and the main motor.
02
Content
Drum motor lock detection
Detail
The motor lock signal is detected for
1.5sec during rotation of the drum
motor.
1.5sec during rotation of the drum
motor.
Cause
Drum motor trouble
Improper connection of harness
between the PCU PWB and the drum
motor.
Control circuit trouble
Improper connection of harness
between the PCU PWB and the drum
motor.
Control circuit trouble
Check and
remedy
remedy
Use SIM6-1 to check the drum motor
operation.
Check harness and connector between
the PCU PWB and the drum motor.
operation.
Check harness and connector between
the PCU PWB and the drum motor.
MAIN SUB
Details
L4
30
Content
Controller fan motor lock detection
Detail
The motor lock signal is detected
during rotation of the controller fan
motor.
The motor lock signal is detected
during rotation of the HDD fan motor.
during rotation of the controller fan
motor.
The motor lock signal is detected
during rotation of the HDD fan motor.
Cause
Fan motor trouble
Improper connection of the harness
between the controller PWB and the
fan motor.
Control circuit trouble
Improper connection of the harness
between the controller PWB and the
fan motor.
Control circuit trouble
Check and
remedy
remedy
Use SIM 6-2 to check the fan motor
operation.
Check the harness and the connector
between the controller PWB and the
fan motor.
operation.
Check the harness and the connector
between the controller PWB and the
fan motor.
L6
10
Content
Polygon motor lock detection
Detail
It is judged that the polygon motor lock
signal is not outputted.
Lock signal is checked in the interval of
10sec after starting the polygon motor,
and it is judged that the polygon motor
does not rotate normally.
signal is not outputted.
Lock signal is checked in the interval of
10sec after starting the polygon motor,
and it is judged that the polygon motor
does not rotate normally.
Cause
The LSU connector or harness in the
LSU is disconnected or broken.
Polygon motor trouble
LSU is disconnected or broken.
Polygon motor trouble
Check and
remedy
remedy
Use SIM61-1 to check the polygon
motor operation.
Check connector and harness
connection.
Replace LSU.
motor operation.
Check connector and harness
connection.
Replace LSU.
L8
01
Content
No fullwave signal
Detail
Full wave signal is not detected.
Cause
The PCU PWB connector or the power
unit harness is disconnected or broken.
PCU PWB trouble
12V power source trouble
unit harness is disconnected or broken.
PCU PWB trouble
12V power source trouble
Check and
remedy
remedy
Check connection of the harness and
connector.
Replace PCU PWB.
Replace the power unit.
Replace the controller connection
mother board.
connector.
Replace PCU PWB.
Replace the power unit.
Replace the controller connection
mother board.
02
Content
Full wave signal width abnormality
Detail
It is judged as full wave signal
frequency abnormality.
(When the detection cycle is judged as
69Hz or above or 42.5Hz or below)
frequency abnormality.
(When the detection cycle is judged as
69Hz or above or 42.5Hz or below)
Cause
The connector or harness of the PCU
PWB and the power PWB is
disconnected.
PCU PWB trouble
Power unit trouble
PWB and the power PWB is
disconnected.
PCU PWB trouble
Power unit trouble
Check and
remedy
remedy
Check connection of the harness and
connector.
Replace the PCU PWB.
Replace the power unit.
connector.
Replace the PCU PWB.
Replace the power unit.
MAIN SUB
Details
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