MX-FN10 SELF DIAG MESSAGE AND TROUBLE CODE 9 – 4
6. Staple unit
7. Saddle transport load section
Case5 Cause Finisher control PWB trouble
Check &
Remedy
If the solenoid does not operate properly in
the single operation mode, or if the trouble
remains even tough the solenoid operates
properly, replace the finisher control PWB.
Phenomenon Paper empty in the load tray cannot be detected.
Case1 Cause Paper detection 3 sensor trouble
Check &
Remedy
Measure the voltage at TP116 on the finisher
control PWB to confirm that it is 1V or less
when transmitting, and 3.3V 5% when
interrupted. If the voltage is outside the range,
replace the sensor.
Case2 Cause Electric cable, connector trouble
Check &
Remedy
Check conduction between connector
terminals. If there is no conduction, replace
the electric cable.
Case3 Cause Finisher control PWB trouble
Check &
Remedy
When each sensor is turned ON/OFF, though
the sensor level is changed, if the
phenomenon is not canceled, replace the
finisher control PWB.
Phenomenon The edge staple motor does not operate properly.
(Clinching is not performed properly.)
Case1 Cause Edge binding staple motor trouble
Check &
Remedy
Check conduction of the coil. If there is no
conduction, replace the staple unit.
Case2 Cause Clinch HP sensor trouble
Check &
Remedy
Measure the voltage at TP8 on the finisher
control PWB to confirm that it is 1V or less
when it is ON, and 3.3V 5% when it is OFF. If
the voltage is outside the range, replace the
staple unit.
Case3 Cause Stapler catch prevention sensor trouble
Check &
Remedy
Measure the voltage at TP34 on the finisher
control PWB to confirm that it is 1V or less
when transmitting, and 3.3V 5% when
interrupted. If the voltage is outside the range,
replace the sensor.
Case4 Cause Stapler safety switch trouble
Check &
Remedy
Measure the voltage at TP92 on the finisher
control PWB to confirm that it is 1V or less
when it is ON, and 3.3V 5% when it is OFF. If
the voltage is outside the range, replace the
switch.
Case5 Cause Electric cable, connector trouble
Check &
Remedy
Check conduction between connector
terminals. If there is no conduction, replace
the electric cable.
Case6 Cause Finisher control PWB trouble
Check &
Remedy
If the motor does not operate properly in the
single operation mode, replace the finisher
control PWB. If the trouble remains even
tough the sensor operates properly in the
sensor check, replace the finisher control
PWB.
Phenomenon Clinching is performed, but no staple is provided or
the machine goes into the staple empty state.
Case1 Cause Self prime sensor trouble
Check &
Remedy
Measure the voltage at TP9 on the finisher
control PWB to confirm that it is 1V or less
when it is ON, and 3.3V 5% when it is OFF.
If the voltage is outside the range, replace the
switch.
Phenomenon Paper surface detection is not performed properly.
(The load tray is not proper.)
Case2 Cause Empty sensor trouble
Check &
Remedy
Measure the voltage at TP10 on the finisher
control PWB to confirm that it is 1V or less
when it is ON, and 3.3V 5% when it is OFF.
If the voltage is outside the range, replace the
switch.
Case3 Cause Electric cable, connector trouble
Check &
Remedy
Check conduction between connector
terminals. If there is no conduction, replace
the electric cable.
Case4 Cause Finisher control PWB trouble
Check &
Remedy
If the phenomenon remains tough each
sensor is normal, replace the finisher control
PWB.
Phenomenon The stapler slide motor does not operate properly.
Case1 Cause Stapler slide motor trouble
Check &
Remedy
Check conduction of the coil. If there is no
conduction, replace the staple unit.
Case2 Cause Stapler slide sensor (edge binding) trouble
Check &
Remedy
Measure the voltage at TP24 on the finisher
control PWB to confirm that it is 1V or less
when transmitting, and 3.3V 5% when
interrupted. If the voltage is outside the range,
replace the sensor.
Case3 Cause Stapler slide sensor (Center binding) trouble
Check &
Remedy
Measure the voltage at TP21 on the finisher
control PWB to confirm that it is 1V or less
when transmitting, and 3.3V 5% when
interrupted. If the voltage is outside the range,
replace the sensor.
Case4 Cause Stapler catch prevention sensor trouble
Check &
Remedy
Refer to the other item (The staple motor
does not operate.) on this sheet.
Case5 Cause Electric cable, connector trouble
Check &
Remedy
Check conduction between connector
terminals. If there is no conduction, replace
the electric cable.
Case6 Cause Finisher control PWB trouble
Check &
Remedy
If the motor does not operate properly in the
single operation mode, replace the finisher
control PWB. If the trouble remains even
tough the sensor operates properly in the
sensor check, replace the finisher control
PWB.
Phenomenon Paper jams frequently occur in the saddle transport
section.
Case1 Cause Transport motor 2 trouble
Check &
Remedy
Refer to the other sheet (Troubleshooting of
the transport section except for the saddle).
Case2 Cause Paper detection 4 sensor trouble
Check &
Remedy
Measure the voltage at TP2 on the finisher
control PWB to confirm that it is 1V or less
when transmitting, and 3.3V 5% when
interrupted. If the voltage is outside the range,
replace the sensor.
Case3 Cause Electric cable, connector trouble
Check &
Remedy
Check conduction between connector
terminals. If there is no conduction, replace
the electric cable.
Case4 Cause Finisher control PWB trouble
Check &
Remedy
If the motor does not operate properly in the
single operation mode, replace the finisher
control PWB. If the trouble remains even
tough the sensor operates properly in the
sensor check, replace the finisher control
PWB.
Phenomenon Clinching is performed, but no staple is provided or
the machine goes into the staple empty state.
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