Provided is an image forming apparatus capable of changing a guidance screen from a terminal. An instruction acquiring unit acquires an instruction to change a guidance screen stored in a storage unit. A change acquiring unit acquires change data corresponding to the instruction acquired by the instruction acquiring unit from an external terminal 2. A change application unit applies the change data acquired by the change acquiring unit to screen data of the guidance screen. A display unit displays the screen data of the guidance screen to which the change data is applied by the change application unit.