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4.2 Method of Charging
If any of the following conditions occur, charging the battery is required.
• “Low Battery” is printed.
• The buzzer sounds 3 times.
To charge the battery, plug the connector of the AC adapter to the DC
jack of the printer and the AC adapter to the AC outlet. The charge LED
lights red. If the LED changes to green, charging has completed.
In case of a trouble while charging the battery, the charge is suspended
with blinking of charge LED in red. Try unplugging and plugging AC
adapter, then charge should resume and charge LED changes to continue
to light red.
CAUTION!
Charge the battery at room temperature (5 - 35°C).
After completion of battery charging, do not try recharging. Battery performance
may be deteriorated.
When the battery is used in a cold environment, the operation time may be
shortened.
If the operation time is excessively shortened even after full charging, battery
life may be assumed.