Save on toner costs for your Color LaserJet 5550hdn printer. Our remanufactured HP 645A toner is built to a high standard in our facilities. Each cartridge is hand tested and screened for imperfections. We want to make sure our customers receive the products they need that'll work right out of the box. We know our toner is made to work and will satisfy any user need, but for peace of mind, we offer a 1-year money back guarantee. If you order any of our products and aren't completely happy with your purchase, let us know. We won't wear you down with questions or try to deny your return. We want our customers to be happy and know that you can put your trust in us. If you have any questions, feel free to contact us through chat, phone, or email.