1. A method of forming a print image to be printed in a preset printing area on a print material, the method comprising the steps of: creating a basic image having a plurality of elementary images including at least one fixed-sized elementary image and at least one variable-sized elementary image; and forming a reduced image of said basic image as said print image by reducing at least one of said at least one variable-sized elementary image of said basic image in size, when said basic image cannot be printed as said print image within said printing area.