Citizen CT-S310II, Руководство по обслуживанию

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CT-S310II Series Service Manual
● Faulty Sensor
Phenomenon Cause Check Method Remedies
The paper sensor is faulty. Check the indication at the
LED or buzzer when the
paper ends. Replace “SA, PE SENSOR”. Paper presence or
absence cannot be
detected. Paper near
end cannot be detected.
The sensor spring is broken. Push the sensor by hand
and check if it returns. Replace “SPRING, PE
SENSOR”.
The sensor connector is not
connected correctly. Check the connecting
condition of the connector.
Connect the connector
correctly.
The sensor is faulty. Check the indication at the
LED or buzzer while opening
and closing the cover. Replace each sensor.
The cover or front cover
open state is not
detected or remains in
the detected state.
The sensor lever spring is
broken. Check the indication at the
LED or buzzer while opening
and closing the front cover. Replace “SPRING, LEVER
INTERLOCK”.
● Auto Cutter Failure
Phenomenon Cause Check Method Remedies
The connector has a bad
connection. Check the connecting
condition of the connector. Connect the connector
correctly.
The auto cutter is faulty. Measure the supply voltage
with a tester or oscilloscope. If the supply voltage is normal,
replace the auto cutter with a
new one.
Paper feed is faulty.
(paper jams) Check if paper is jammed,
torn or caught in the paper
path. Remove unnecessary paper
and set the paper correctly.
The auto cutter does not
operate.
The movable or fixed blade is
damaged. Manually turn the cutter gear
and check that it can be
turned lightly by hand. Replace the auto cutter.
● Operation Panel Display Failure, FEED Switch Failure
Phenomenon Cause Check Method Remedies
The control PCB is damaged.
The LED is broken.  Replace “SA, MAIN PCB”. The operation panel LED
does not illuminate.
The FEED switch cannot
be operated.
“LEVER, FEED SW” is
broken. Check if “LEVER, FEED
SW” is broken. Replace “LEVER, FEED SW”.
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