An operation of a user is inputted to an operating section. A display shows information to the user. A controller causes, in accordance with the operation inputted to the operating section, the display to selectively show: a first screen image showing a plurality of groups, each of which includes at least one digital image stored in a storage medium and categorized in accordance with a predetermined condition, so that the user designates at least one of the groups through the operating section; and a second screen image showing, in a substantial full-screen manner, the at least one digital image included in the at least one of the groups designated by the user, so that the user browses the at least one digital image one by one to specify the number of sheets to be printed with respect to at least one browsed digital image, through the operating section. The controller is operable to cause a printer to execute a printing operation in accordance with the specification performed in the second screen image when a print instruction is inputted to the operating section.