Patent ID: 8594520

Claim:
An image forming apparatus, comprising: one or more parts selected for monitoring, the one or more parts being internal components of the image forming apparatus; and a controller configured to, manage power consumption of the image forming apparatus; generate, for each one of the parts, accumulated operation amount information based on an operation state of the part, the accumulated operation amount information being a metric of an accumulated amount of wear that the part has been subjected to since the part was installed in the image forming apparatus; obtain, for each one of the parts, part-specific power consumption information using the generated accumulated operation amount information for the part and an estimate of an amount of electric power consumed by the part, the part-specific power consumption information indicating an amount of electric power consumed by the part; and provide a user, through a user interface, with power consumption information generated based on the part-specific power consumption information obtained for each one of the parts, the power consumption information indicating an amount of electric power consumed by one or more of the one or more parts that are internal components of the image forming apparatus.