Canon GPR-21 OEM Toner Cartridge Set - Black, Cyan, Magenta and Yellow Canon GPR 21 Toner Kit Canon GPR-21 0260B001AA Magenta High-Yield Laser Toner Cartridge Canon GPR-21 0259B001AA Yellow High-Yield Toner Cartridge Canon Cyan Toner Cartridge; 0261B001AA, High Yield Canon Black Toner Cartridge; 0262B001AA, High Yield