6 Pack Canon CLI-521, PGI-520 compatible cartridges. 1 small black, 1 cyan, 1 gray, 1 magenta, 1 yellow, 1 black big compatible with Canon Pixma MP980, Pixma MP990.Cartouches Compatible. INK JET printers. CLI-521BK, CLI-521C, CLI-521GY, CLI-521M, CLI-521Y, PGI-520BK Ink © Choice (Office Supplies)
I'm not sure, but with these cartridges, the printer usually cleanings, especially at startup. It should perhaps detect that these are not genuine Canon cartridges? If this is the case, where is the economy? Otherwise, no printing problem, it is true
