* Light fade under glass simulation based on average results of HP internal tests. Less than one year is the average of all North America refill ink brands printed on refill brands' recommended, or leading 3rd-party photo paper tested in 2006 by Wilhelm Imaging Research display permanence testing (light fade under glass) of leading remanufactured cartridges and/or ink refills for six-ink printing with HP 57- and HP 58- compatible inkjet print cartridges. For more information, visit
Wilhelm Imaging Research.