A printing system is disclosed. The printing system includes an image processor to selectively rasterize a plurality of objects, and to determine if a size of a first object is less than or equal to a predetermined threshold perform a single-cell halftone process on the first object if the size of the first object is less than or equal to the predetermined threshold and perform a super-cell halftone process on the first object if the size of the first object is greater than the predetermined threshold.