Containing 4ml of ink the Hewlett Packard T6N01AE is the standard capacity colour cartridge in the range. The top-quality genuine ink within the HP 303 colour ink cartridge offers you an estimated 165 prints according to Hewlett Packard, making this unit ideal for printing an occasional precious family photo.The standard capacity HP 303 can be used in a variety of printers aimed at home users including the wonderful Envy Photo 7830. Problems with genuine Hewlett Packard products are more than rare, but should you experience any problems the manufacturer offers a full guarantee for the T6N01AE directly.