A toner satisfying at least one of the following relationships:10\xb0 C. The ink and undercoat are cured together. A graphic user interface provides a visualization of the current routing and alternative routings, to facilitate the analysis and selection of an improved routing, if any. A cathode of the first LED is connected to a collector of a bipolar junction transistor through the first resistor. The system further includes an algorithm for computing the differences between previously visited pages stored in the intelligent browser cache and a new page in terms of their hyperlinks.