3
Precautions
1.Safety Precautions
Be sure to use the specified battery and power source provided by our company.
Connection to an improper power source may cause fire, explosion or damage to the
printer.
Don’t put the battery into the fire or water, don’t disassemble or modify the battery, don’t
be short circuit, otherwise may result in injury or fire even explosion.
If the printer would not be used for a long time, be sure to take off the battery, otherwise
the battery may leak liquid which is corrosive, if improper operation causes battery leak,
and the liquid is spattered on the skin or clothes, please wash it with water, if spattered in
the eyes, please rinse them with water thoroughly and see a doctor.
Please do not open the paper case cover when it is printing or just when printing is over,
do not touch the print head with hand or body, overheat may cause scald.
2. Operation Precautions
Be sure not to print continuously over 1 meter, otherwise may cause damage to the print
head.
Water or other liquid should not spill into the printer, also the printer should not be
appeared in the rain, or else may cause printer damage.
Please do not open the paper case cover when it is printing, otherwise the printer may
work improperly.
If print with serial interface, should not unplug the interface cable in the course of printing,
or else some printing data may be lost.
When print in Ir or IrDA mode, be sure the Ir window of the host equipment face rightly the
Ir window of the printer, the distance should be within the range of 50cm, and the angle
should be within the range of 30
o
.
When print with Bluetooth interface, the communication distance should be within 10
meters, otherwise the printer doesn’t print or prints rubbish codes.
Too high
（
50
℃）
or too low
（
-10
℃）
temperature and too high (80
％
)or too low (20
％
)
relative humidity both effect the print quality.
The print paper in poor quality or stored for too long time also may reduce the print quality
even damage the printer.
In the black mark detecting mode, the printer requires that the preprinted black mark is
accordant with the black mark specifications (details please refer to 4.2), otherwise the
black mark can not be detected correctly.
Be sure to use up the power of the battery before charge it, as it can ensure the using life
of the battery.
3. Storage Precautions
The printer should be placed in such an environment that the temperature is between
-20
℃
and 70
℃
, and the relative humidity is between 5% and 95%.
If the printer will be stored for a long time, please be sure to take out the battery, otherwise
may damage the battery and printer.
