Pack 20 compatible Canon CLI-521 & PGI-520 Superior quality ink cartridges for Canon Pixma IP3600 / IP4600 / Ip4600x / IP4700; MP 980 / MP 990 / MP 540 / MP 550 / MP 560 / MP 620 / MP 630 / MP 640 / MP 640R; MX860 / MX870 (Electronics)
Very good product quality / price, much cheaper than the recommended brands ... Would recommend, especially for the German supplier, the serious and the timeliness are well established.