1. A terminal device comprising: an image acquiring unit that acquires a processing apparatus image serving as an image of a data processing apparatus; a display unit that displays a request screen used for requesting a data processing apparatus to process data, at least one of processing apparatus images acquired by the image acquiring unit and at least one of data images indicating data that is requested to be processed are displayed on the request screen, and a control unit configured to: request the data processing apparatus to process data; acquire position information of the data processing apparatus whose processing apparatus image is displayed on the request screen; acquire an address of the data processing apparatus having a processing apparatus image that is acquired over a network based on the acquired processing apparatus image; request the data processing apparatus in which the address on the network is acquired to process data based on the acquired address of the data processing apparatus on the network; and acquire the address of the data processing apparatus having position information that is on the network with reference to a database storing at least the position information of the data processing apparatus and the address of the data processing apparatus on the network, wherein in response to an operation of an operator of designating one of the processing apparatus images and one of the data images on the request screen, a request for processing the data indicated by the designated data image is transmitted to the data processing apparatus indicated by the designated processing apparatus image.