This Compatible Toshiba Toner Refill Bottle is a great substitute to the original OEM Toshiba Toner Refill Bottle (T-3500) and is designed to work perfectly with your Toshiba printer/copier/fax. All of our compatible Toshiba products are engineered to meet or exceed the high standard of quality of their respective OEM counterparts for just a fraction of the cost. We are so confident of this that we support our product with our 100% satisfaction guarantee.