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5. TROUBLESHOOTING
Problem
The printer does not
print labels one by one
in the strip mode or
specified number of
labels in the batch
mode.
A cover open error
occurs after closing the
media cover.
The printer does not
print by radio
communication.
Poor print quality
The print start position is
not detected.
The power switch does
not perform.
The battery cover is not
closed completely.
Print tone is uneven.
A print error occurs in
the feed direction.
Cause
1. The sensors are not adjusted properly.
2. The sensors are not installed properly.
3. The sensors are dirty.
4. The sensors are disconnected from the CPU
PC board ass'y.
1. Either side of the media cover is unlocked.
2. The media cover switch failure
1. Interface PC board ass'y failure
2. CPU PC board ass'y failure
3. Interface PC board ass'y is disconnected
from the CPU PC board ass'y.
4. The FPC cable for the interface PC board is
broken.
1. The print head is dirty.
2. Unspecified media is used.
1. The sensor is not adjusted properly.
2. The sensor is not installed properly.
3. The sensor or the sensor filter is dirty.
4. The sensor is disconnected from the CPU
PC board ass'y.
1. Power switch failure or CPU PC board ass'y
failure
1. The battery cover failure
2. The top cover failure
1. The print head is dirty.
2. The print head ass'y is not installed in
position.
3. The print head failure
4. The platen failure
1. Failure in the motor idler gear, platen idler
gear, idler gear, or platen gear
2. Print head failure
3. Platen failure
5-2
5. TROUBLESHOOTING
Corrective action
Re-adjust the sensors.
—
Re-install the sensors.
—
Clean the sensors.
—
Connect the sensors to the
—
CPU PC board ass'y.
Close the media cover until
—
both sides of the cover click
in position.
Replace the media cover
—
switch.
Replace the interface PC
—
board ass'y.
Replace the CPU PC board
—
ass'y.
Connect the interface PC
—
board ass'y with the CPU PC
board ass'y completely.
Replace the FPC cable for
—
the interface PC board.
Clean the print head.
—
Change the media to the
—
specified one.
Re-adjust the sensor.
—
Re-install the sensor.
—
Clean the sensor and sensor
—
filter.
Connect the sensor to the
—
CPU PC board ass'y
completely.
Replace the power switch or
—
the CPU PC board ass'y.
Replace the battery cover.
—
Replace the top cover.
—
Clean the print head.
—
Re-install the print head ass'y
—
correctly.
—
Replace the print head ass'y.
Replace the platen.
—
Replace the motor idler gear,
—
platen idler gear, idler gear,
or platen gear.
Replace the print head ass'y.
—
Replace the platen.
—
EO18-33014
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