4 = 20 Packs with chip Compatible Cartridges CANON PGI520BK CLI521BK + + + CLI521C CLI521M + CLI521Y for printers Canon Pixma IP3600 / IP4600 Pixma / IP4700 / Pixma MP980 / MP630 / MP620 / MP540 / MP560 / MP550 / MP640 / MP980 / MP990 - ( © Silvertrade) (Office Supplies)
Product received quickly, although containing 20 cartridges, I have tested only two for now, but I have had no problems apart from a flat, for drying of the ink that is longer than the canon cartridges ( the fact I have a IP3600) but good compared to