With these cartridges, you can replace the ink of your Canon PIXMA iX printer. The Canon CLI-551 cartridges are suitable for the PIXMA iX printers. Do you want to replace all ink cartridges of your printer right away? Choose a 4-pack, which includes a black, cyan, magenta, and yellow color. With an XL cartridge, you can save money. These ink cartridges are the same size as regular cartridges, but they have a higher capacity. This means you pay less per page.