If you run water across a print and the ink runs, chances are it's dye ink. Pigmented ink is normally more water proof. As far as how to refill-can't be any help
This is a high capacity cart. Uses Pigment Ink and is mostly found in canon AIO viz.canon 7...series
To Refill there are vent plugs. If you look at the cart with the label facing you they are on the right side.
Remove these Fill about 30ml of ink and reseal and you should be done,