Citizen CT-P292 Series Service Manual page 24

● Paper Feed Failure
Phenomenon
Paper is not fed.
Paper feed is not
straight.
● Faulty Sensor
Phenomenon
Paper presence or
absence cannot be
detected. Paper near
end cannot be detected.
An error cannot be reset.
● Auto Cutter Failure (CT-P293)
Phenomenon
The auto cutter does not
operate.
Cause
The motor connector has a
bad connection.
The motor is faulty.
The supply voltage is low.
The control PCB is faulty.
The platen roller is not
mounted correctly.
Paper feed is faulty.
Foreign substances are stuck
in the gear. A gear is broken.
Cause
The paper sensor is faulty.
The sensor at the operation
panel cover is faulty.
The front cover switch is faulty. After setting paper and
Cause
The connector has a bad
connection.
The auto cutter is faulty.
The control PCB is faulty.
Paper feed is faulty.
(paper jams)
CT-292/293 Series Service Manual
Check Method
Check the connecting
condition of the connector.
Measure the supply voltage
with a tester or oscilloscope.
Check the supply voltage
with a tester.
−
Check the mounting
condition of the platen roller.
Check if paper is jammed,
torn or caught in the paper
path.
Check the gear for any
foreign substance or
breakage.
Check Method
Check the indication at the
LCD or LED when the paper
ends.
Correctly attach the
operation panel cover and
check again.
closing the front cover,
check if the error is reset.
Check Method
Check the connecting
condition of the connector at
the control PCB.
Measure the supply voltage
with a tester or oscilloscope.
−
Check if paper is jammed,
torn or caught in the paper
path.
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Remedies
Connect the connector
correctly.
Replace "MOTOR ASSY".
Use the printer within the
specified supply voltage
range.
Replace "UNIT, MAIN PCB".
Mount the platen roller
correctly.
Remove unnecessary paper
and set the paper correctly.
Eliminate foreign substance.
If any gear is broken, replace it
with a new one.
Remedies
Replace "SA, PE PCB".
Replace "UNIT, MAIN PCB".
Replace the front cover
switch.
Remedies
Connect the connector
correctly.
If the supply voltage is normal,
replace the auto cutter with a
new one.
Replace "UNIT, MAIN PCB".
Remove unnecessary paper
and set the paper correctly.