Hi Glen I am very sorry that the cartridge didn't work properly. I regret the inconvenience this has caused you. According to the Staples return policy you can have a replacement sent to you by doing the following: - Go to My Orders in your account information - Find the order with the item you’d like to return and select “Return an Item” - Select "damaged or defective" as your return reason - You will be asked if you’d like to receive a replacement product sent to you at no cost. More information about returns can be found at: www.returnsandrefunds.com/Staples/Returns Mary HP Care hp.com/support