The image forming apparatus

The present invention provides an image forming apparatus. The present invention is provided for the aggregate printing function for printing on recording paper a plurality of pages of document data in the image forming apparatus includes a document data storage unit, storage unit and the aggregate condition aggregate processing unit. The document data storage unit a plurality of document data are stored together with their attributes. Aggregate condition storage unit stores the aggregate condition, the aggregate condition defines the attributes-one. Aggregate processing unit from the plurality of document data selected conditions will be in-one-one according to the document data as the extracted document group, so that the document data of the document as a set of continuous print data aggregate printing. According to the present invention, it is possible to extract the pooled data as one continuous document print data and printing in accordance with the aggregate condition.