Kill Battery (Battery Discharge Mode)
maintain performance of the rechargeable battery in the portable
printers, the battery must be fully discharged and recharged regularly.
the printer is in Discharge Mode, the green power LED flashes in
groups of three flashes.
Discharge Mode might be terminated
by sending a printing format to the printer or by pressing either
of the control panel keys.
If the battery charger is plugged
into the printer, the battery is automatically recharged once the
discharge process is completed.