Cheapest way to buy inks for your printer is a full set PGI580 CLI581 multipack.
This pack is XXL extra high capacity & prints 3 times more than standard inks.
These are NOT original Canon PGI 580 / CLI 581 but premium compatibles which print great for less.
Approx page prints:
PGI 580XXL black ink cartridge prints 4590 pages
CLI 580XXL black ink cartridge prints 600 pages
CLI 580XXL cyan ink cartridge prints 830 pages
CLI 580XXL magenta ink cartridge prints 750 pages
CLI 580XXL yellow ink cartridge prints 830 pages
CLI 580XXL photo blue ink cartridge prints 9140 pages
Backed with our no hassle guarantee to print great or a fast replacement or refund.