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5. TROUBLESHOOTING
EO18-33016A
5. TROUBLESHOOTING
5- 4
Possible cause Check point Solution
The connectors are not
inserted completely.
Check if the connectors are completely
inserted.
Insert the connectors completely.
The print head is not
installed properly.
If the print head is not installed properly, the
temperature of the print head cannot be
obtained. Check the print head temperature
in the system mode. (Refer to System Mode
Manual, Section 2.5.)
If “0°C” or an abnormal temperature is
displayed in a normal room
temperature, there can be the following
failures.
(1) Improper print head installation
(The connector is not inserted
completely.)
(2)
Failure of the print head, print head
harness, MAIN PC board
NOTE:
Immediately after printing, the print
head temperature may be higher
than a normal room temperature
(max. 71
°
C).
Thermistor is not
properly installed in the
media sensor.
The upper media sensor contains a
thermistor. If it is not properly installed, the
print head temperature cannot be obtained.
Check the print head temperature in the
system mode. (Refer to System Mode
Manual, Section 2.5.)
If “−°C” is displayed in a normal room
temperature, the print head, print head
harness, or MAIN PC board can be
faulty.
2. A feed jam (paper jam) error occurs when the feed gap sensor is used.
Possible cause Check point Solution
Media type is not suitable
for the selected sensor.
A sensor error may occur depending on the
combination of the selected sensor and the
media type to be used.
e.g.) Feed gap sensor + transparent PET
labels
If non-approved media is used, the
difference between a label and a backing
paper may not be detected.
Change the command or media type
properly.
Or, the media may need to be modified
so that a print start position detection
can be performed correctly.
The feed gap sensor
position is not proper.
The feed gap sensor position needs to be
adjusted so that both upper and lower
sensors are vertically aligned and the
sensor can detect label-to-label gaps.
Without position adjustment, a sensor error
or no paper error occurs improperly.
Adjust the feed gap sensor position to
the center of a gap.
A foreign object is
attached to the sensor.
If paper or ribbon particles, or other foreign
objects are attached to the sensor, the
sensor cannot function properly. Check
both feed gap sensors.
Remove the foreign objects.
The upper sensor and
the lower sensor are not
vertically aligned.
Check if the upper feed gap sensor and the
lower feed gap sensor are vertically aligned.
Align the upper and lower feed gap
sensors.