To efficiently reduce power consumption of a system comprising different image formation devices.

An image formation device control system has: a utilization history storage part for storing as utilization history a utilization amount that each user authenticating respective operation units included in an image formation device utilized in the past; a utilization amount prediction part for deriving a prediction work utilization amount that the image formation device is utilized by the user, based on the utilization history of the image formation device of each user who is authenticated to utilize the image formation device; and the power supply controller for controlling a power supply operation state of each corresponding image formation device, based on a room-staying status in an installation room of the user and the prediction work utilization amount.