These are refill inks compatible with the Canon GI290 ink tanks (for the Canon Pixma G1200, G2200, G3300, G4400 and other compatible printer models). The black is a PIGMENT black, and the colors are DYE (Cyan, Magenta, Yellow).
Simply pour into the ink tank, and reset the ink level counter as follows :
Hold down the Black button or the Color button for at least 5 seconds. The Alarm lamp goes off and the remaining ink level counter is rest.