A computer readable recording medium stored with an image processing program, said image processing program causing a computer to execute a process comprising the steps of:
- 1) applying image processing to page data containing for each of a plurality of color components first image data and second image data, the image processing for one of the color components being applied in parallel with the image processing for remaining one(s) of the color components;
- and
- 2) combining, for each color component, the processed first image data and the processed second image data, in response to the completion of the image processing to the first image data for the respective color component.