Patent ID: 7961563

Claim:
A media processor comprising: a media storage unit that stores media; a media drive that performs writing of data into the media and reading of data from the media; a media conveying mechanism that conveys the media; a label printer that performs printing of information on a label surface of the media; and a control unit that performs a driving control for the media drive, the media conveying mechanism and the label printer, wherein in response to a data writing request, the control unit executes a media writing control operation in which blank media is taken out from the media storage unit, data is written in the blank media, the media is returned to the media storage unit as writing-completed media, and identification information, storage location information, and information on the written data of the writing-completed media are stored in a predetermined storage place, wherein in response to a data reference request or a data output request, the control unit executes a data reading control operation in which the writing-completed media is specified with reference to storage information stored in the storage place, the writing-completed media is taken out from the media storage unit, the written data is read from the writing-completed media, and the writing-completed media is returned to the media storage unit, wherein in response to an additional data writing request, the control unit executes an additional data writing control operation in which the writing-completed media is specified with reference to the storage information stored in the storage place, the writing-completed media is taken out from the media storage unit, additional data is written in the writing-completed media, the writing-completed media is returned to the media storage unit, and information on additionally written data is stored in the storage place, and wherein when the additional data written in the writing-completed media is final data or in response to a media discharge request, the control unit causes the label printer to collectively print the information on the written data and the information on the additionally written data on the label surface of the writing-completed media.