An operation terminal connected to an information storage apparatus and an output apparatus, comprising a processor that obtains a file from the information storage apparatus; displays, on a monitor, an image of the obtained file and a button for selecting an output device for outputting the file; displays, after the button has been pushed, a two-dimensional code photographing screen; the two-dimensional code photographing screen for photographing a two-dimensional code by a camera; obtains, after the two-dimensional code is photographed by the camera while the two-dimensional code photographing screen is displayed, information that specifies the output device; wherein the information that specifies the output device is obtained from the photographed two-dimensional code; and sends, to the output device through a network, an output request for outputting the file of the image displayed on the monitor, based on the obtained information that specifies the output device.