User's Manual

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(5) The printer could work stably from -10°C to 50°C , but the higher
temperature (>/=45°C ) or lower temperature (</=5°C ) would debase the
print quality. Higher humidity (>/=85%) or lower humidity (</=20%) also
may debase the print quality.
(6) Use the bad print paper or long time storage paper would affect the print
quality, even damage the printer.
(7) When the printer is working in black mark detection mode (when printing
the pre-print receipt with black mark), it requires the black mark that on the
pre-print paper is accord with black mark printing standard (as details in
4.2 Pre-print Black Mark Instruction), otherwise it may lead the printer
disable to detect the black mark accurately. The battery of the printer is
better running out before charging, which could effectively ensure the
lifespan of it.
1.3 Storage Notice
(1) The printer should be stored in the environment where the temperature is
-20°C to 70°C and relative humidity is 5% to 95%.
(2) If the user plan to store the printer for a long time, please be sure to take out
the battery and stored it separately, or it may result in the battery lose
efficacy, even leakage and then damage the printer.
(3) The storage time of common thermal paper is short, if the user need to print
the long-term preservation receipt, please use long-acting thermal paper.
Do not store the thermal paper in a high temperature or direct sunlight
environment, if it has been sealed off, please store it in dark place.
1.4 Battery Safety Notice
Please read this user manual carefully before using the printer. Ignoring the
followings may cause overheating, burning, explosion, damage of the battery and/or
debase the lifespan of the printer.
Warnings:
(1) Do not let water or sea water in or leak into the battery. If the safety device
in it is burned out, any charge of it would lead abnormity current and or