A printer ink cartridge refill is just what it sounds like: a way to refill an empty printer ink cartridge with new ink. There are a few ways to do this, but the most common is to use a syringe to inject new ink into the cartridge.

There are a few reasons why you might want to refill a printer ink cartridge. Maybe you just bought a new printer and don’t want to spend extra money on new cartridges. Maybe the ink in your cartridge is running low and you don’t want to have to buy a new one. Or …