1. An image processing apparatus comprising: an editing unit for editing document data into description language data as description language interpretable to a terminal apparatus; a conversion table for converting a preset command; a description language data extracting unit for extracting a portion of the description language data as extracted data based on the conversion table; a converting unit for converting the extracted data to converted data based on the conversion table; a producing unit for producing transmission data by adding the converted data to the description language data; and a transmitting unit for transmitting the transmission data.