Patent ID: 7801452

Claim:
An image forming system that includes an image forming apparatus, a post-processing apparatus, and a display device, comprising: a plurality of conveying paths provided inside the image forming apparatus and the post-processing apparatus, for conveying a sheet; a plurality of jam detecting sensors provided on respective ones of the plurality of conveying paths; a determining device that determines, out of said plurality of conveying paths, at least one conveying path capable of being subjected to maintenance of at least part related to the conveying path, in accordance with types of the image forming process and the post-processing being executed; a display control device that displays the conveying path for which said determining device has determined that the part related to the conveying path is subjectable to the maintenance, on the display device; and a control unit that controls the operation of at least one of the image forming apparatus and the post-processing apparatus to discontinue the utilization of a first conveying path that has been determined to be capable of being subjected to the maintenance by the determining device, while also controlling the operation of at least one of the image forming apparatus and the post-processing apparatus to continue the utilization of a second conveying path that has not been determined to be capable of being subjected to the maintenance; wherein the maintenance is partially executable on the first conveying path while the second conveying path is being used in an image forming process; wherein said display control device displays on the display device a maintenance process screen showing that the maintenance is being executed when the maintenance is being executed on a part related to the first conveying path; wherein said display control device displays on the display a jam-related screen showing that a jam has occurred in place of the maintenance process screen when the maintenance process screen is being displayed and a jam occurs in the second conveying path as detected by any of said jam detecting sensors; and wherein the maintenance includes replacement of parts, cleaning, or adjustment, but not including jam processing.