Arthur Imaging compatible Canon PIXMA MG6420 inkjet cartridges are guaranteed to meet or surpass the print quality of the OEM (Original Equipment Manufacturer) Canon PIXMA MG6420 inkjet cartridges. Our compatible Canon ink cartridges are an excellent way to save money on printer ink without sacrificing quality. Our compatible Canon ink cartridges have a One-Year 100% Quality Satisfaction Product Guarantee. The use of our compatible ink for the Canon printer will not void your printer's warranty.