Sharp AR-CF2 ユーザーズマニュアル
AR-CF2 TROUBLESHOOTING 8 - 1
[8] TROUBLESHOOTING
Problem
The inserter does not perform at all when the main
switch of the main unit is turned ON.
switch of the main unit is turned ON.
Case1
Cause
Loose contact with the main unit
Check and
remedy
remedy
Check that each connector is firmly
connected.
connected.
Case2
Cause
Loose contact of the connector terminal of
the wire (interface harness) connecting
with the main unit
the wire (interface harness) connecting
with the main unit
Check and
remedy
remedy
Check continuity in between the
connector terminals. Replace the
connection wire if no continuity is
measured
connector terminals. Replace the
connection wire if no continuity is
measured
Case3
Cause
JAM cover open/close switch fault
Check and
remedy
remedy
Check continuity between the switch
contacts., Replace the contacts if no
continuity is measured.
contacts., Replace the contacts if no
continuity is measured.
Case4
Cause
Controller PCB fault
Check and
remedy
remedy
Check that 24 V DC and 5 V DC are
supplied from the main unit after the
above cases 1 to 3 are confirmed. If 24 V
and 5 V are not present at CN1-2 pin and
IC5-32 pin on the PCB, replace the
controller PCB.
supplied from the main unit after the
above cases 1 to 3 are confirmed. If 24 V
and 5 V are not present at CN1-2 pin and
IC5-32 pin on the PCB, replace the
controller PCB.
Problem
The paper feed motor does not operate.
The reverse motor does not operate.
The horizontal transport motor does not operate.
The reverse motor does not operate.
The horizontal transport motor does not operate.
Case1
Cause
Loose contact of the motor connector
terminal
terminal
Check and
remedy
remedy
Check continuity of the connector
contacts.(CN1 to 3)
contacts.(CN1 to 3)
Case2
Cause
Disconnection of the motor coil
Check and
remedy
remedy
Check continuity between the connector
terminals. Replace the connection wire if
no continuity is measured.
terminals. Replace the connection wire if
no continuity is measured.
Case3
Cause
Controller PCB fault
Check and
remedy
remedy
If the motor does not operate in the motor
single operation mode, replace the
controller PCB.
single operation mode, replace the
controller PCB.
Problem
The paper is delivered without being reversed in
the reverse paper feed mode.
the reverse paper feed mode.
Case1
Cause
Connector terminal fault of the reverse
solenoid
solenoid
Check and
remedy
remedy
Check continuity of the connector
contact.(CN4)
contact.(CN4)
Case2
Cause
Disconnection of the solenoid coil
Check and
remedy
remedy
Inspect the coil for continuity. Replace the
coil if no continuity is measured.
coil if no continuity is measured.
Case3
Cause
Controller PCB fault
Check and
remedy
remedy
If the solenoid does not perform in the
solenoid single operation mode, replace
the controller PCB.
solenoid single operation mode, replace
the controller PCB.
Problem
Paper jam is displayed on the system display.
Case1
Cause
Paper jam
Check and
remedy
remedy
Visual observation. Take out paper jams.
Case2
Cause Reverse
sensor
fault
Check and
remedy
remedy
Measure a voltage of TP2 on the
controller PCB and check that 3 to 3.6 V
is observed when no paper is stacked,
and that 1.5 V or less is observed when
paper is stacked. Replace the sensor if
the measured voltage exceeds these
ranges.
controller PCB and check that 3 to 3.6 V
is observed when no paper is stacked,
and that 1.5 V or less is observed when
paper is stacked. Replace the sensor if
the measured voltage exceeds these
ranges.
Case3
Cause
Paper exit sensor fault
Check and
remedy
remedy
Measure a voltage of TP7 on the
controller PCB and check that 5 V is
observed when no paper is stacked, and
that 1 V or less is observed when paper is
stacked. Replace the sensor if the
measured voltage exceeds these ranges.
controller PCB and check that 5 V is
observed when no paper is stacked, and
that 1 V or less is observed when paper is
stacked. Replace the sensor if the
measured voltage exceeds these ranges.
Case4
Cause
Empty sensor fault
Check and
remedy
remedy
Measure a voltage of TP4 on the
controller PCB and check that 1 V or less
is observed when no paper is stacked,
and that 5 V is observed when paper is
stacked. Replace the sensor if the
measured voltage exceeds these ranges.
controller PCB and check that 1 V or less
is observed when no paper is stacked,
and that 5 V is observed when paper is
stacked. Replace the sensor if the
measured voltage exceeds these ranges.
Case5
Cause
Registration sensor fault
Check and
remedy
remedy
Measure a voltage of TP5 on the
controller PCB and check that 5 V is
observed when no paper is stacked, and
that 1 V or less is observed when paper is
stacked. Replace the sensor if the
measured voltage exceeds these ranges.
controller PCB and check that 5 V is
observed when no paper is stacked, and
that 1 V or less is observed when paper is
stacked. Replace the sensor if the
measured voltage exceeds these ranges.
Case6
Cause
Timing sensor fault
Check and
remedy
remedy
Measure a voltage of TP6 on the
controller PCB and check that a 5 V is
observed when no paper is stacked, and
that 1 V or less is observed when paper is
stacked. Replace the sensor if the
measured voltage exceeds these ranges.
controller PCB and check that a 5 V is
observed when no paper is stacked, and
that 1 V or less is observed when paper is
stacked. Replace the sensor if the
measured voltage exceeds these ranges.
Case7
Cause
Controller PCB fault
Check and
remedy
remedy
If the problem is not solved with the
sensors whose level changes when each
is turned ON/OFF, replace the controller
PCB.
sensors whose level changes when each
is turned ON/OFF, replace the controller
PCB.
Problem
The machine does not detect the paper.
Case1
Cause
Tray sensor fault
Check and
remedy
remedy
Measure a voltage of TP13 on the
controller PCB and check thatV is
observed when no paper is stacked, and
that 1 V or less is observed when paper is
stacked. Replace the sensor if the
measured voltage exceeds these ranges.
controller PCB and check thatV is
observed when no paper is stacked, and
that 1 V or less is observed when paper is
stacked. Replace the sensor if the
measured voltage exceeds these ranges.
Case2
Cause
Controller PCB fault
Check and
remedy
remedy
If the problem is not solved with a change
in the sensor level after the above case 1
is confirmed, replace the controller PCB.
in the sensor level after the above case 1
is confirmed, replace the controller PCB.