Whoever said innovation is great has never gone online to try and find replacement parts for their printer. Nearly everyone has a printer and whether they like it or not will have to buy a new ink cartridge from time to time.
If you are faced with a situation where you need to buy new ink you have to know what kind of printer you have. While it might seem like common sense there are still consumers who buy the wrong type of ink cartridges for their printer and end up wasting money in the process.
When you bought your printer there would be an owners manual of some type and inside of it there would be specifics of what is required. For the sake of conversation lets presume you require canon printer ink cartridges , There are many online retailers who will be selling the Canon printer ink cartridges and some of them might have the type you need.
You should never buy from these retailers even if they have the ink you need until you are satisfied that they offer good quality with reasonable prices. To determine the quality you just need to read the comments that other clients have posted online. While reading these statements you will have a clear understanding of whether these retailers are selling genuine Canon products.