Product Quantity:1-pack 034 toner cartridge black.(9454B001) Compatible With Printers:Canon color imageCLASS MF810Cdn MF820Cdn C1225 C1225iF printer High Page Yield:12,500 Pages for Black Toner, at 5% coverage (A4 paper size) SkyPrint 034 toner cartridges come with intelligent chips that automatically recognize and provide printing, Not damaging the machine,Shake the toner cartridge horizontally 2-3 times before use to evenly distribute the toner When purchasing CRG-034 toner cartridge, please confirm if your printer model meets the requirements 1-Pack 034 Black Toner Cartridge Replacement for Canon 034 Toner use for Canon Color imageCLASS MF810Cdn MF820Cdn Printer