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MX-M260/M310/M260N/M310N SELF DIAG AND TROUBLE CODE 7 - 7
H2
00
Content
Main heater lamp thermistor open hard
detection
Details
Main heater lamp thermistor open
detection.
Fusing unit not installed.
Cause
Main thermistor defect.
Control PWB failure.
Fusing section connector contact failure.
Fusing unit not installed.
Check
and
remedy
Check the harness and the connector of
the thermistor and the MCU.
01
Content
Sub heater lamp thermistor open hard
detection
Details
Fusing sub thermistor open detection.
Fusing unit not installed.
Cause
Sub thermistor defect.
Control PWB failure.
Fusing section connector contact failure.
Fusing unit not installed.
Check
and
remedy
Check the harness and the connector of
the thermistor and the MCU.
H3
00
Content
Main heater lamp abnormally high
temperature hard detection trouble
Details
The fusing main heater thermistor causes
abnormally high temperature
Cause
Main thermistor defect.
Control PWB failure.
Fusing section connector contact failure.
Check
and
remedy
Check the main heater lamp blinking with
SIM 5-2-1.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input
circuit.
If lamp lights and stays lit:
Check the power circuit and the lamp
control circuit on MCU PWB.
Clear the display of self-diagnostics with
SIM 14.
01
Content
Sub heater lamp abnormally high
temperature hard detection trouble
Details
The fusing sub thermistor causes
abnormally high temperature
Cause
Sub thermistor defect.
Control PWB failure.
Fusing section connector contact failure.
Check
and
remedy
Check the sub heater lamp blinking with
SIM 5-2-2.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input
circuit.
If lamp lights and stays lit:
Check the power circuit and the lamp
control circuit on MCU PWB.
Clear the display of self-diagnostics with
SIM 14.
Trouble
code
Details of trouble
Main
code
Sub
code
H3
10
Content
Main heater lamp abnormally high
temperature soft detection trouble
Details
A/D value the fusing main thermistor
causes abnormally high temperature (over
230°C).
Cause
Main heater lamp thermistor defect.
Control PWB failure.
Fusing section connector contact failure.
Check
and
remedy
Check the main heater lamp blinking with
SIM 5-2-1.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input
circuit.
If lamp lights and stays lit:
Check the power circuit and the lamp
control circuit on MCU PWB.
Clear the display of self-diagnostics with
SIM 14.
11
Content
Sub heater lamp abnormally high
temperature soft detection trouble
Details
A/D value the fusing sub heater lamp
thermistor causes abnormally high
temperature (over 230°C).
Cause
Sub heater lamp thermistor defect.
Control PWB failure.
Fusing section connector contact failure.
Check
and
remedy
Check the sub heater lamp blinking with
SIM 5-2-2.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input
circuit.
If lamp lights and stays lit:
Check the power circuit and the lamp
control circuit on MCU PWB.
Clear the display of self-diagnostics with
SIM 14.
H4
00
Content
Main heater lamp abnormally low
temperature detection
Details
The setup temperature (about 90°C) is not
reached within the specified time (about
17sec) from turning on the power.
When the temperature of main heater
lamp thermistor falls below 140°C in the
standby mode or printing.
When the temperature of main heater
lamp thermistor falls below 50°C in the
pre-heat mode.
Cause
Main heater lamp thermistor defect
Main heater lamp failure
Main thermostat failure
Control PWB failure
Check
and
remedy
Check the heater lamp blinking with SIM 5-
2.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input
circuit.
If lamp lights and stays lit:
Check for disconnection of the heater lamp
and thermostat.
Check the interlock switch.
Check the power circuit and the lamp
control circuit on MCU PWB.
Clear the display of self-diagnostics with
SIM 14.
Trouble
code
Details of trouble
Main
code
Sub
code
Содержание MX-M260
Страница 104: ...MX M260 M310 M260N M310N MAINTENANCE 8 17 2 Exit roller Except North America 1 2 1 1 2 1 1 1 1 2 3 4 1 2 3 2 1 2 ...
Страница 111: ...MX M260 M310 M260N M310N MAINTENANCE 8 24 N Operation section 1 Operation section 2 OPU PWB 3 Key PWB 1 1 3 2 ...
Страница 114: ...MX M260 M310 M260N M310N MAINTENANCE 8 27 c Paper feed roller d Paper feed unit e Separation sheet 1 2 1 1 2 2 1 1 3 2 ...
Страница 135: ......
Страница 136: ......