Another fun approach would be using google code search which allows for regexp searching. Looking for stuff of similar format to {D1531,1000,1501|}, I find the

Another fun approach would be using google code search which allows for regexp searching. Looking for stuff of similar format to {D1531,1000,1501|}, I find these two results. The results indicate that this might be related to printers. http://www.google.com/codesearch?q=\{D[0-9]{4},[0-9]{4},[0-9]{4}\|\}&hl=en http://www.google.com/codesearch?q=\{D[0-9]{4},[0-9]{4},[0-9...