Patent ID: 7307750

Claim:
An image forming apparatus which forms an image on a recording medium by an image forming section based on image data output from a page memory, said page memory having a plurality of pages that are units with which the image data is stored in the page memory, each of the pages of said page memory having a predetermined size, said image forming apparatus comprising: a page number calculating section configured to calculate a number of pages of the page memory required to store each of a plurality of color components representing a full-color image included in the image data in the page memory; a judging section configured to judge whether or not the calculated number of pages calculated by said page number calculating section can be acquired in the page memory for all of the plurality of color components; and a page memory acquiring section configured to acquire the calculated number of pages of the page memory required to store the image data of one of the color components, and to reserve the number of pages of the page memory reciuired to store the image data of all remaining color components, if said judging section judges that the calculated number of pages can be acquired in the page memory for all of the color components.