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After the printer is used for a period of time, the power of
battery will be run out. When the battery is low, the power
indicator blinks with red color and the buzzer rings 3 times; if
the printer is in sleeping mode, the printer will cut off power
after the buzzer rings 3 times. In this case, you must charge
the battery by using the adaptor.
The charging method is as following: turn off the printer,
connect the adapter to the power socket with 220V, 50HZ,
then plug the power charging cable to the power socket of the
printer, so the power charging begins, during the course of
power charging, the charging indicator is on, and will be off
when the charging is over.
Notice: it would better not turn on the printer during the
course of charging power, lest the charging time goes longer,
moreover, be sure not to use the printer to print when the
battery is charging.
3.3 Communication Interface
3.3.1 RS-232 Serial Interface
The standard accessories for T8 printer include: DB-9 serial
interface cable (one end is D model standard serial interface
socket, connected to host computer, the other end is PS/2
socket, connected to printer).
When connect the serial interface, if it works normally, then
the printer stops to received data from Bluetooth, or IrDA
