An image generation managing system includes an image forming apparatus provided in a management target area to form a color image on a recording medium, an image capturing apparatus to capture an image in a vicinity of the image forming apparatus in the management target area, and a job management device connected to the image forming apparatus and the image capturing apparatus over a network to data-communicate therewith to manage an image generating job by the image forming apparatus. Preferably, the image forming apparatus includes a specific pattern imparting unit to impart a specific pattern specifying an image formed for each image generating job by the image forming apparatus, and the job management device includes a database in which the specific pattern information and the image data captured are stored in a state they can be associated to each other and from which the stored information is freely retrieved.