An image formation system includes an image formation device and a server device connected with each other through a network. The image formation device includes an image formation executing unit that receives an image formation request from a terminal device through the network and executes the image formation a request source information transmitting unit that transmits request source information, which is included in the image formation request and identifies the request source of the image formation request, and an image formation restricting unit that restricts the image formation by the image formation executing unit when a restriction instruction is received from the server device. The server device includes a restriction instruction transmitting unit that causes the image formation unit to restrict in the image formation when a registration status of the request source information with respect to a database for storing the request source information satisfies a predetermined status.