IMAGE FORMING APPARATUS, IMAGE FORMING PROGRAM, AND MEMORY MEDIUM STORING SAME

PROBLEM TO BE SOLVED: To provide an image forming apparatus, etc. which can perform electronic sort printing of all draft even if all data size of the draft are beyond a free space of a memory device. SOLUTION: The image forming apparatus is provided with an image reading means 31 which reads a draft, an image data size measuring means 32 which measures a size of image data for 1 page of a draft read by the image reading means 31, and an image data memory means 34 which stores image data read by the image reading means 31 in a memory device. It is featured to be provided with a memorizable number of pages calculation means 33 which calculate a memorizable number of pages, based on the image data size measured by the image data size measuring means 32 and a free space of the memory device; and to repeat memory and erasure of the image data of the memory device, if the number of pages calculated by the memorizable number of pages calculation means 33 is less than a number of pages of the all draft. COPYRIGHT: (C)2007,JPO&INPIT