Patent ID: 7024500

Claim:
A data converter for converting print data transmitted front a printing control unit to a printing unit via a serial bus the data converter comprising: receiving means for receiving moving picture data representative of a plurality of sequential images and for selecting a desired image therefrom; judging means for detecting print data specifying information included in a print data transmitting command supplied from the printing control unit for the desired image, and judging, based on the detected print data the type of the print data transmitted from the printing control unit; and conversion controlling means for converting, according to the result of the judgment made by the judging means, the print data transmitted from the printing control unit to the printing unit to print data of a type supported by the printing unit, and outputting the converted print data to the printing unit; wherein the judging means and the conversion controlling means provide printing support when there is no printer driver compatible with the printer as a target at the printing controller unit.