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MX-7000N SELF DIAG AND TROUBLE CODE 8 – 26
H7-10
Low temperature detection during the
temperature control reset operation
after stopping the alarm in a JOB
(HL_UM)
temperature control reset operation
after stopping the alarm in a JOB
(HL_UM)
H7-11
Low temperature detection during the
temperature control reset operation
after stopping the alarm in a JOB
(HL_LM)
temperature control reset operation
after stopping the alarm in a JOB
(HL_LM)
H7-12
Low temperature detection during the
temperature control reset operation
after stopping the alarm in a JOB
(HL_US)
temperature control reset operation
after stopping the alarm in a JOB
(HL_US)
H7-14
Low temperature detection during the
temperature control reset operation
after stopping the alarm in a JOB
(HL_EX1)
temperature control reset operation
after stopping the alarm in a JOB
(HL_EX1)
L1-00
Mirror feed trouble
L3-00
Mirror return trouble
L4-02
Paper feed motor lock trouble
L4-03
Fusing motor lock trouble
Trouble content
When the alarm is stopped, the set temperature is
not reached within the specified time.
* Alarm stop: When the fusing temperature falls
not reached within the specified time.
* Alarm stop: When the fusing temperature falls
below the specified level in a print JOB, printing
is interrupted temporarily and the temperature is
reset.
is interrupted temporarily and the temperature is
reset.
Section
PCU
Case 1
Cause
Connector and harness connection trouble
Check and
remedy
remedy
Check connection of the connector and the
harness.
harness.
Case 2
Cause
Thermistor trouble, thermostat trouble, heater lamp
trouble, PCU PWB trouble, AC power source
trouble, interlock switch trouble
trouble, PCU PWB trouble, AC power source
trouble, interlock switch trouble
Check and
remedy
remedy
Use SIM 5-2 to check lighting of the heater lamp.
Check conduction of the thermostat. Replace the
heater lamp, the PCU PWB, and the AC PWB.
Check conduction of the thermostat. Replace the
heater lamp, the PCU PWB, and the AC PWB.
Trouble content
When the alarm is stopped, the set temperature is
not reached within the specified time.
* Alarm stop: When the fusing temperature falls
not reached within the specified time.
* Alarm stop: When the fusing temperature falls
below the specified level in a print JOB, printing
is interrupted temporarily and the temperature is
reset.
is interrupted temporarily and the temperature is
reset.
Section
PCU
Case 1
Cause
Connector and harness connection trouble
Check and
remedy
remedy
Check connection of the connector and the
harness.
harness.
Case 2
Cause
Thermistor trouble, thermostat trouble, heater lamp
trouble, PCU PWB trouble, AC power source
trouble, interlock switch trouble
trouble, PCU PWB trouble, AC power source
trouble, interlock switch trouble
Check and
remedy
remedy
Use SIM 5-2 to check lighting of the heater lamp.
Check conduction of the thermostat. Replace the
heater lamp, the PCU PWB, and the AC PWB.
Check conduction of the thermostat. Replace the
heater lamp, the PCU PWB, and the AC PWB.
Trouble content
When the alarm is stopped, the set temperature is
not reached within the specified time.
* Alarm stop: When the fusing temperature falls
not reached within the specified time.
* Alarm stop: When the fusing temperature falls
below the specified level in a print JOB, printing
is interrupted temporarily and the temperature is
reset.
is interrupted temporarily and the temperature is
reset.
Section
PCU
Case 1
Cause
Connector and harness connection trouble
Check and
remedy
remedy
Check connection of the connector and the
harness.
harness.
Case 2
Cause
Thermistor trouble, thermostat trouble, heater lamp
trouble, PCU PWB trouble, AC power source
trouble, interlock switch trouble
trouble, PCU PWB trouble, AC power source
trouble, interlock switch trouble
Check and
remedy
remedy
Use SIM 5-2 to check lighting of the heater lamp.
Check conduction of the thermostat. Replace the
heater lamp, the PCU PWB, and the AC PWB.
Check conduction of the thermostat. Replace the
heater lamp, the PCU PWB, and the AC PWB.
Trouble content
When the alarm is stopped, the set temperature is
not reached within the specified time.
* Alarm stop: When the fusing temperature falls
not reached within the specified time.
* Alarm stop: When the fusing temperature falls
below the specified level in a print JOB, printing
is interrupted temporarily and the temperature is
reset.
is interrupted temporarily and the temperature is
reset.
Section
PCU
Case 1
Cause
Connector and harness connection trouble
Check and
remedy
remedy
Check connection of the connector and the
harness.
harness.
Case 2
Cause
Thermistor trouble, thermostat trouble, heater lamp
trouble, PCU PWB trouble, AC power source
trouble, interlock switch trouble
trouble, PCU PWB trouble, AC power source
trouble, interlock switch trouble
Check and
remedy
remedy
Use SIM 5-2 to check lighting of the heater lamp.
Check conduction of the thermostat. Replace the
heater lamp, the PCU PWB, and the AC PWB.
Check conduction of the thermostat. Replace the
heater lamp, the PCU PWB, and the AC PWB.
Trouble content
Mirror feed is not completed within the specified
time.
time.
Section
SCU
Case 1
Cause
Mirror unit trouble, mirror wire disengagement
Check and
remedy
remedy
Use SIM1-1 to check the mirror operation.
Trouble content
Mirror return is not completed within the specified
time.
time.
Section
SCU
Case 1
Cause
Mirror unit trouble, mirror wire disengagement
Check and
remedy
remedy
Use SIM1-1 to check the mirror operation.
Trouble content
When the paper feed motor is rotated in warming
up or in canceling a jam and the lock signal is not
detected within 1sec.
up or in canceling a jam and the lock signal is not
detected within 1sec.
Section
PCU
Case 1
Cause
Paper feed motor trouble, harness connection
trouble between PCU PWB and paper feed motor,
control circuit trouble
trouble between PCU PWB and paper feed motor,
control circuit trouble
Check and
remedy
remedy
Use SIM6-1 to check the paper feed motor
operation. Check the harness and the connector
between the PCU PWB and the paper feed motor.
operation. Check the harness and the connector
between the PCU PWB and the paper feed motor.
Trouble content
The motor lock signal is detected during rotation of
the fusing motor.
the fusing motor.
Section
PCU
Case 1
Cause
Harness connection trouble between the PCU
PWB and the fusing motor.
PWB and the fusing motor.
Check and
remedy
remedy
Check the harness and the connector between the
PCU PWB and the fusing motor.
PCU PWB and the fusing motor.
Case 2
Cause
Fusing motor trouble, control circuit trouble
Check and
remedy
remedy
Use SIM6-1 to check the operation of the fusing
motor.
motor.
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