1. A method for monitoring toner usage in an electronic printing device, the method comprising: determining a pixel count for a page; calculating a plurality of proximity factors, each of the plurality of proximity factors equal to a number of independent pixel groups within each of a plurality of sets of pixel locations within the page, wherein a pixel group comprises one or more adjacent pixels and wherein each set of pixel locations is eight adjacent pixel locations; calculating a proximity value equal to a sum of the plurality of proximity factors; and providing an estimate of toner usage for the page based at least on the pixel count and the proximity value.