Examples of a printing device, a method for use in a printing device, and a machine readable non-transitory storage medium including instructions relating to a printing device that are executable by a processor are disclosed herein. An example of the machine readable non-transitory storage medium includes instructions relating to a printing device that, when executed by a processor, cause the processor to: segment data for an image into a plurality of positions, analyze performance data regarding an actual portion of the image formed by each of a plurality of print heads, arrange the segmented image data for each portion of the image based on the performance data for each of the print heads, and transmit the arranged image data to each of the print heads so that each print head forms a correct portion of the image.