A color registration control method and an image forming apparatus using the same are provided, wherein the color registration control method includes the steps of developing a registration pattern by overlapping a first pattern and a second pattern each of which having a length in a sub-scanning direction, detecting the densities of an upper pattern and a lower pattern included in the registration pattern, comparing the density of the upper pattern with the density of the lower pattern and generating density information, and outputting a registration control signal by referring to the offset information and the density information.