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.
In the black mark detecting mode, the printer requires that the ready-print
black mark is accordant with the black mark printing rules (details please
refer to Chapter 5), otherwise the black mark can not be detected correctly.
Be sure to use up the electricity of the battery before charge it, as it can
ensure the using life of the battery.
Notes on Handling
The printer should be placed in such an environment that the temperature is
between -20
℃
and 60
℃
, and the relative humidity is between 5% and
95%.
If the printer will be stored for a long time, pleas be sure to take out the
battery, otherwise may damage the battery and printer.
Normal thermal paper can’t be kept too long, if you need to keep the
receipt for a long period, please choose long term effective thermal paper.
The print paper should be keep away from high temperature environment
and point-blank sunshine.
Chapter 1 Outer Appearance and Model
1.1 Outer Appearance
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