printer door.
of the roll.
shut.
Warning: Changing the instrument language will update the instrument firmware and the
printer. It will take 1-2 minutes for the update to complete. During this time make sure the
ApexZ instrument has at least 50% battery life remaining or connected to the AC adapter and
do not turn off the instrument while updating. Failure to follow these instructions could
cause the printer to become damaged and unusable.