The invention is intended to achieve high-precision quality control by alleviating a burden of personnel by improving the operation efficiency and preventing erroneous storage of embedding cassettes in a container. A control unit controls a cassette carrying unit so as to take out a cassette of a predetermined kind from a cassette storage in a predetermined order and carry the same to a cassette printing unit, and carry a cassette on which data is printed to a base container set in a container holding unit.