Canon PGI-520BK 4x - Black Compatible Printer Ink Cartridge for Canon Pixma iP3600 chipped, iP4600, iP4700, MP540, MP550, MP560, MP620, MP630, MP640, MP980, MP990, MX860, MX870 (Office Supplies)
Good compatible cartridge. If you are looking for consistent, it is a good solution. But like any compatible, avoid quality picture with. Shipping is fast. By cons, packaging is "a little" light. Just an envelope bubble. I had a cartridge whose