IMAGE-FORMING SYSTEM, METHOD, SERVER APPARATUS, AND CLIENT APPARATUS

An image-forming system includes an image-forming apparatus arranged in a user environment and configured to execute a job to form an image on a sheet; a database arranged in a remote environment and configured to store history data of one or more jobs executed by the image-forming apparatus; a control unit configured to control execution of a job at the image-forming apparatus or control charging to a user based on an actual number of consumed sheets calculated based on the history data; a communication unit configured to, when a first job has caused a trouble of image-formation, transmit, in response to an instruction by a user, a modification request for modifying the database so that at least a sheet affected by the trouble is not taken into account in the actual number, the modification request including job-related information.