Try our Inkjets.com brand of Canon GPR-53 (8524B003) Compatible Black Toner Cartridges. Our compatible (generic) toner cartridge replaces the following OEM Canon numbers: 8524B003, GPR-53. This compatible toner comes with a black toner formula, and a page yield estimated at 36,000 (at 5% yield) per ISO standards. Our toner comes with a shelf life of 24-36 months in case you need to store it, and will work with your compatible Canon printer. You can see a list of compatible printers below. This product also comes with a 1-year warranty and money back guarantee in case of any defects or quality issues.