the colors are colorfast, no difference from the original, also have to chip in it, which means that they are recognized by the printer and the ink level is displayed. the best is however that they are brimming which hold 3 times as long as the original, incredible but true. so they are recommending to me only Price and performance is already perverted, 5 cartridges for 10 euros (Special) so cheap I never printed, bought equal a stock.