An image processing apparatus, the image processing apparatus to be used in an image processing system including a plurality of image processing apparatuses, the plurality of image processing apparatuses including the image processing apparatus, and an information management apparatus, the image processing apparatus comprising: a display unit configured to display an operation screen on which a processing mode and corresponding setting information may be selected out of a plurality of processing modes displayed, each processing mode displayed together with respective setting information, on the operation screen; an operation unit configured to receive an operation instruction for executing a selected processing mode and corresponding setting information from the operation screen displayed on the display unit, the operation unit being further configured to transmit a processing job based on the operation instruction; a processing unit (31, 36, 37, 11, 12) configured to execute an image forming process based on the processing job; a storage unit configured to store, in a first storage region, local use history information indicating prior processing jobs performed only by the image processing apparatus; a communication unit; and a control unit, the image processing apparatus characterized in that the control unit is configured to: control the communication unit to receive entire system use history information indicating prior processing jobs performed by said plurality of image processing apparatuses from the information management apparatus, and to control the storage unit to store the entire system use history information in a second storage region customize the operation screen by determining a plurality of processing modes that are to be displayed on the operation screen, the customized operation screen including a first region in which processing modes based on the local use history information are displayed and a second region in which processing modes based on the entire system use history information are displayed based on the use history information stored by the storage unit, and cause the display unit to display the customized operation screen. a display unit configured to display an operation screen on which a processing mode and corresponding setting information may be selected out of a plurality of processing modes displayed, each processing mode displayed together with respective setting information, on the operation screen; an operation unit configured to receive an operation instruction for executing a selected processing mode and corresponding setting information from the operation screen displayed on the display unit, the operation unit being further configured to transmit a processing job based on the operation instruction; a processing unit (31, 36, 37, 11, 12) configured to execute an image forming process based on the processing job; a storage unit configured to store, in a first storage region, local use history information indicating prior processing jobs performed only by the image processing apparatus; a communication unit; and a control unit, the image processing apparatus characterized in that the control unit is configured to: control the communication unit to receive entire system use history information indicating prior processing jobs performed by said plurality of image processing apparatuses from the information management apparatus, and to control the storage unit to store the entire system use history information in a second storage region customize the operation screen by determining a plurality of processing modes that are to be displayed on the operation screen, the customized operation screen including a first region in which processing modes based on the local use history information are displayed and a second region in which processing modes based on the entire system use history information are displayed based on the use history information stored by the storage unit, and cause the display unit to display the customized operation screen. control the communication unit to receive entire system use history information indicating prior processing jobs performed by said plurality of image processing apparatuses from the information management apparatus, and to control the storage unit to store the entire system use history information in a second storage region customize the operation screen by determining a plurality of processing modes that are to be displayed on the operation screen, the customized operation screen including a first region in which processing modes based on the local use history information are displayed and a second region in which processing modes based on the entire system use history information are displayed based on the use history information stored by the storage unit, and cause the display unit to display the customized operation screen.