1. A printing apparatus that performs an operation for moving a printing head for ejecting ink to a printing medium and an operation for conveying the printing medium in a direction intersecting a direction of movement of the printing head to thereby print an image on the same region on the printing medium, the printing apparatus comprising: a platen that supports the printing medium conveyed; an acquiring unit that acquires information as to whether or not to execute a discrimination of the image to be printed; a discriminating unit that discriminates the image when the acquiring unit acquires information to execute discrimination; and a setting unit that sets a number of the movement of the printing head and a distance between the printing head and the platen according to the result of the discrimination of the image discriminated by the discriminating unit when the acquiring unit acquires information to execute discrimination and sets a combination of a predetermined number of movement of the printing head and a predetermined distance regardless of the image when the acquiring unit acquires information to not execute discrimination.