Restock your printer with our compatible Canon NP-6621 toner cartridges and enjoy the savings. These affordable toner cartridges will produce sharp printouts that easily match their name-brand counterpart. All of our toner cartridges for Canon NP-6621 printers are tested to ensure our customer receives a top-performing product with every order. We offer a comprehensive 1-Year warranty and 100% satisfaction guarantee on all products. In the unlikely event that you experience any product defect, we will replace the cartridge or provide you a refund.