It is possible to provide a user with an operation screen having settings with which the user is familiar, such as an operation screen that has been used in the past for this external input/output device. When a external input/output device is connected to a information processing apparatus, specific information for specifying the device is acquired. Then, from a storage device that associates and stores an operation screen for processing an image that has been handled by the external device and the specific information, a corresponding operation screen is selected based upon the specific information that has been acquired. By displaying the selected operation screen on a touch-sensitive panel display, various setting operations can be performed with regard to an image that has been input from the external input/output device.