A control method for an image forming apparatus for executing various jobs transmitted from an information processing apparatus includes analyzing a process transmitted from the information processing apparatus and generating a job according to the analysis. Each of information constituting a job, information constituting a binder, and information constituting a document, is managed. The generated job is divided into a smaller document unit to generate a document which is processed, the document is divided into a smaller page unit to generate a page, which is processed, and the page is divided into a smaller band unit to generated a band, which is processed. Requests are arbitrated for using a device from the document generation, document processing, page processing, and band processing. At least one of the document, page, and band processing is done according to formats of input and output data.