User's Manual

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5. Operating Precautions
This section presents important information intended to ensure safety and effective use of the
printer. Please read carefully.
5-1. Notes on safety
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 the corrosive liquid out, if improper operation causes battery leak, and the liquid is
spattered on the skin or clothes, please wash it with water immediately, if spattered in the eyes,
please rinse them with water thoroughly and see a doctor.
Please don’t open the paper room 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.
5-2. Notes on using
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.
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 Bluetooth mode, the distance should be within the
range of 10 meters, otherwise the printer doesn’t print or prints rubbish codes.
Too high（45℃）or too low（5℃）temperature and too high（85％）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.
Be sure to use up the electricity of the battery before charging it, as it can ensure the using life of
the battery.
5-3. Notes on handling
The printer should be stored in such an temperature environment between -10 and 60 ,and the ℃ ℃
relative humidity is between 5％ and 95％.
If the printer will be stored for a long time, please take the battery out, otherwise may damage the
battery and printer. <Note> The lithium battery have a character that if it is not used for several
months, it possibly can’t be charged ever.