20 Cartridges with Chip Compatible CANON PGI520BK CLI521BK + + + CLI521C CLI521M CLI521Y + Printer Canon Pixma IP3600 / IP4600 Pixma / IP4700 / Pixma MP980 / MP630 / MP620 / MP540 / MP560 / MP550 / MP640 / MP980 / MP990 (Electronics)
Purchase arrived quickly. Although a little cobbled bill (note the contacts are not protected), the cartridge I changed work properly. What more?