Patent ID: 8531696

Claim:
A management apparatus, comprising: a receiver that is connected to a network and receives a plurality of pieces of status data based on control system data for stabilizing image forming from an image forming apparatus forming an image by a plurality of image forming units operating in conjunction with each other; an inference unit that determines abnormality occurrence symptom of each of the image forming units based on the plurality of pieces of received status data, and calculates a symptom determination index value representing an index of the abnormality occurrence symptom of each of the image forming units; a replacement part information acquisition unit that acquires, when receiving a diagnosis request from a terminal of a maintenance person maintaining the image forming apparatus, replacement part information including a replacement date of the image forming unit from a maintenance management system connected to the network; a judgment table generator that calculates weight information with respect to the symptom determination index value based on the acquired replacement part information; a integrated diagnostic information generator that calculates integrated diagnostic value information for each image forming unit based on the symptom determination index value and the weight information; and a integrated diagnostic information notification unit that transmits the integrated diagnostic value information to the terminal of the maintenance person.