1. A method of photocopying comprising: scanning a topside of a source page; determining whether the topside of the source page contains a topside image; in the event that the topside of the source page is determined to contain the topside image, storing the topside image as topside document page data; flipping the page and scanning the backside of the source page; determining whether the backside of the source page contains a backside image; in the event that the backside of the source page is determined to contain the backside image, storing the backside image as backside document page data; printing a target page with the respective stored topside and backside document page data, so as to produce a respective copy of the source page.