Canon 8050B001 , PGI255XXL High Yield Black Inkjet Cartridge
PGI-255XXl, 8050B001 High Yield Black Inkjet Cartridge compatible with the Canon PIXMA MG5520, MG5522, MG6420, MG7120, MX722, MX922, iX6820. The use of compatible supplies does not void your printer warranty.
