This HP - cartridges appear to be exhausted quickly, even if the printer is rarely turns. In practice this is not possible in my consumption. Although there is some evidence on the net that the ink is actually pressed by a forced cleaning of the cartridge each time you turn on the computer. But I have the software suspected. Because if I replace the cartridge to refill products, disappear the reports of the allegedly empty ink. Instead, just be warned that there are no originals. But the printer refused no longer work. A rogue ...