Quality Quarantee: All products which, are manufactured for and or sold by Affordabletoner.com or their affiliate on-line merchants have been made using the finest quality materials. We insure your complete satisfaction and savings, guaranteed! In the event it is determined that the product you purchased has failed for some reason, we will replace the defective product or issue to you a complete refund for the purchase price. Warranty periods for ink cartridges are listed herein.