An electrophotographic image-forming apparatus comprising: an image carrier; an image forming means configured to form a toner image on the image carrier based on image data, and configured to transfer the toner image formed on the image carrier onto a recording medium; a density detector arranged to detect the density of a toner image on the image carrier; a density adjuster arranged, in a case where image-density adjustment is performed, to control the image forming means to stop the image forming performed based on the image data, to control the image forming means to form a correction pattern, and to adjust a density of an image to be formed by the image forming means on the basis of a density of the correction pattern detected by the density detector; and a comparator arranged to compare a first density (Dref) and a second density, characterized by, a determination means arranged to determine a target region of a toner image represented by the image data based on a predetermined condition, wherein the toner image represented by the image data is different from the correction pattern; an image-density calculator arranged to calculate a density (Dref) of the target region of the toner image determined by the determination means, the density (Dref) of the target region being calculated on the basis of the image data; and a controller arranged to control whether or not to perform the image-density adjustment on the basis of the comparison result of the comparator, wherein the first density (Dref) is the density (Dref) of the target region of the toner image calculated by the image-density calculator, and wherein the second density is a density of the target region of the toner image detected by the density detector. an image carrier; an image forming means configured to form a toner image on the image carrier based on image data, and configured to transfer the toner image formed on the image carrier onto a recording medium; a density detector arranged to detect the density of a toner image on the image carrier; a density adjuster arranged, in a case where image-density adjustment is performed, to control the image forming means to stop the image forming performed based on the image data, to control the image forming means to form a correction pattern, and to adjust a density of an image to be formed by the image forming means on the basis of a density of the correction pattern detected by the density detector; and a comparator arranged to compare a first density (Dref) and a second density, characterized by, a determination means arranged to determine a target region of a toner image represented by the image data based on a predetermined condition, wherein the toner image represented by the image data is different from the correction pattern; an image-density calculator arranged to calculate a density (Dref) of the target region of the toner image determined by the determination means, the density (Dref) of the target region being calculated on the basis of the image data; and a controller arranged to control whether or not to perform the image-density adjustment on the basis of the comparison result of the comparator, wherein the first density (Dref) is the density (Dref) of the target region of the toner image calculated by the image-density calculator, and wherein the second density is a density of the target region of the toner image detected by the density detector.