MX-M200D TROUBLE CODE LIST 9-4
H2 00 Content Thermistor open.
Detail The thermistor is open.
The fusing unit is not installed.
Cause Thermistor abnormality.
Control PWB abnormality.
Fusing section connector disconnection.
The fusing unit is not installed.
Check
and
remedy
Check the harness and the connector between
the thermistor and the PWB.
Use SIM 14 to clear the self diagnostic display.
H3 00 Content Heat roller high temperature detection.
Detail The fusing temperature exceeds 240C°.
Cause Thermistor abnormality.
Control PWB abnormality.
Fusing section connector disconnection.
Check
and
remedy
Use SIM 5-02 to check the heater lamp blinking
operation.
When the lamp blinks normally.
Check the thermistor and its harness.
Check the thermistor input circuit on the control
PWB.
When the lamp keeps ON.
Check the power PWB and the lamp control
circuit on the MCU PWB.
Use SIM 14 to clear the self diagnostic display.
H4 00 Content Heat roller low temperature detection.
Detail When the fusing temperature is lower than
150C° after 55sec from the start of warming
up.
When the warming up complete temperature is
not reached in 30sec from reaching 150C°.
When the fusing temperature is lower than
100C° after 20sec from ready start.
When the fusing temperature is lower than
145C° when printing.
Cause Thermistor abnormality.
Heater lamp abnormality.
Thermostat abnormality.
Control PWB abnormality.
Check
and
remedy
Use SIM 5-02 to check the heater lamp blinking
operation.
When the lamp blinks normally.
Check the thermistor and its harness.
Check the thermistor input circuit on the control
PWB.
When the lamp does not light up.
Check for disconnection of the heater lamp and
the thermostat. Check the interlock switch.
Check the power PWB and the lamp control
circuit on the MCU PWB.
Use SIM 14 to clear the self diagnostic display.
H5 01 Content 5-time continuous detections of POUT not-
reached jam.
Detail Paper not-reached jams are detected 5 times
or more continuously by the paper exit sensor
(POUT). The jam counter is backed up and
used for jobs after turning on the power.
Cause A fusing jam is not canceled completely. (A jam
paper remains in the machine.)
Paper exit sensor trouble or harness
connection trouble
Defective installation of the fusing unit.
Check
and
remedy
Check the fusing section jam (for winding, etc.).
Check the POUT sensor harness. Check
installation of the fusing unit.
Use SIM14 to clear the self diag display.
Main
code
Sub
code
Details of trouble
L1 00 Content Scanner feed trouble.
Detail The scanner does not complete feeding in the
specified time.
Cause Mirror unit abnormality.
The scanner wire is disconnected.
The origin detection sensor abnormality.
Mirror motor harness abnormality.
Check
and
remedy
Use SIM 1-1 to check the mirror reciprocating
operations.
When the mirror does not feed.
Check for disconnection of the scanner wire.
Check the harness and the connector between
the mirror motor and the MCU PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror does feed.
Use SIM 1-2 to check the mirror home position
sensor.
L3 00 Content Scanner return trouble.
Detail The scanner does not complete returning in
the specified time.
The mirror is not in the home position when OC
copying is started with the mirror standby in the
home position.
Cause Mirror unit abnormality.
Scanner wire disconnection.
Origin detection sensor abnormality.
Mirror motor harness abnormality.
Check
and
remedy
Use SIM 1-1 to check the mirror reciprocating
operations.
When the mirror does not return.
Check for disconnection of the scanner wire.
Check the harness and the connector between
the mirror motor and the MCU PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror does feed.
Use SIM 1-2 to check the mirror home position
sensor.
L4 01 Content Main motor lock detection.
Detail The main motor does not rotate.
The motor lock signal is detected for 1sec or
more after rotation of the main motor.
The motor lock signal is detected for 1sec
during rotation of the main motor.
Cause Main motor unit abnormality.
Improper connection or disconnection the main
motor and the harness.
MCU PWB abnormality.
Check
and
remedy
Use SIM 25-01 to check the main motor
operations.
Check connection of the main motor harness/
connector.
Replace the main motor.
Replace the MCU PWB.
11 Content Shifter motor trouble.
Detail The shifter home position detection signal is
not detected when initializing the shifter.
Cause Shifter motor abnormality, improper connection
or disconnection of the harness, shifter home
position sensor abnormality.
Check
and
remedy
Use SIM 03-11 to check the shifter motor
operations.
Check connection of the harness/connector of
the shifter motor.
Replace the shifter motor.
Replace the MCU PWB.
Main
code
Sub
code
Details of trouble
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