There is provided a document processing system in which a print image is stored into a memory and can be handled as output data by forming a document. The system comprises: a memory to store document data in a bit map style; a converter for converting the document data including characters, figures, images, etc., based on the result of the document formation into data of bit map style to be stored into the memory; an image output device corresponding to a page description language; and a circuit for making the data of bit map style stored in the memory correspond to the data format of the page description language, suitable for the particular image output device. With this system, data of substantially the same style as that in the local printing characters can be obtained from an external printing system in accordance with a request of the user.