Provided is an image forming device including a modifying unit that individually modifies plural items of setting information held in an own device, a specifying unit that specifies an item of the setting information which is not modified by the modifying unit, a communication unit that communicates with an external device, an acquiring unit that acquires reference setting information corresponding to each of the plural items of the setting information from the external device via the communication unit, and an updating unit that updates the item of the setting information specified by the specifying unit based on the reference setting information acquired by the acquiring unit.