These are "plug-and-play" units. Some models use FINE cartridges (where the print head is built into the ink tank), meaning you get a fresh print head with every replacement.
The most critical decision when buying ink is whether to purchase ink or cheaper compatible versions. Genuine Canon Ink (OEM) buy canon ink
These contain solid particles that sit on the surface. They are preferred for sharp black text and offer superior water and UV resistance. ⚖️ The Great Debate: Genuine (OEM) vs. Third-Party These are "plug-and-play" units
Guaranteed compatibility, 100-year light-fastness (ChromaLife 100), and consistent color accuracy. 100-year light-fastness (ChromaLife 100)
High retail price; sometimes costing nearly as much as the printer itself. Third-Party / Compatible Ink Should You Buy A Canon MegaTank Printer? [MUST WATCH]