1. An image reproduction system comprising: image processing hardware, wherein the image processing hardware is configured to receive a plurality of pixels corresponding to a scan document, perform color processing on the plurality of pixels to produce color-processed scan data, perform monochrome processing on the plurality of pixels to produce monochrome-processed scan data, produce color distribution data for the plurality of pixels, determine from the color distribution data that the scan document is one of (i) a color document or (ii) a monochrome document, and based at least on determining that the scan document is one of a color document or a monochrome document, discard one of (i) the color-processed scan data or (ii) the monochrome-processed scan data.