Remanufactured toner cartridges, like this alternative to the Canon C-EXV48 yellow, are made by recycling parts from the original and then filling them with a high quality compatible toner powder. This process results in a lower cost product, that keep much of the print quality from the Canon original 9109B002.The company who produce these remanufactured Canon 9109B002 toner cartridges for us have been in the industry for many years and have never failed to impress. Each of these remanufactured Canon C-EXV48 yellow toner cartridges offer the very same 11,500 page estimated yield too, offering a high level of continuity, even if you are just now making the switch to alternative consumables for your printer.