Patent ID: 7973792

Claim:
An image forming device comprising: an input unit which inputs an image data to be formed; a font data memory unit which stores in a read-and-write manner font data corresponding to a character code, wherein the stored font data comprises its association with the character code; a font data read-and-write control unit which controls read-and-write operation upon the font data of the font data memory unit, and which manages and controls storing of a plurality of language font data; a font control unit which acquires the font data corresponding to the character code to be used for the image data through the font data read-and-write control unit, and which controls conversion of the acquired font data depending on a display mode and an image formation mode comprising panel display, image print, facsimile transmission, and header and footer on facsimile transmission, which conversion enables addition of external font data to be converted and used for a plurality of display modes and image formation modes, which conversion avoids requiring of maintaining separate font data sets for each of the plurality of display modes and image formation modes comprising panel display, image print, and converting image data into transmittal signal, which transmittal signal comprises transmitting the converted transmittal signal via facsimile to an external network, and an additional mode for a header and a footer in the image data, wherein the header and the footer are produced from character codes and a body of the transmittal signal via facsimile comprises bitmap data; and an output unit which controls external output of the image data and the converted font data to be used to for the image data, wherein the output unit comprises an external memory output port.