This is new MTI © MICR Toner Cartridge compatible with Dell 5330dn printers. It is designed to replace Dell 330-2045 (HW307) toner cartridges. MTI © MICR toner cartridges are engineered to exceed industry standards of high yield and exceptional quality. Our MICR toner is a superior blend, and we use only the highest quality components in the manufacturing process to guarantee bank acceptance. Every cartridge is engineered in an ISO 9001 certified facility and rigorously tested for quality assurance before shipping. We offer an exclusive 30-day customer satisfaction guarantee and 1-year warranty. Our dedicated customer care staff is available 9 a.m. to 7 p.m, Monday through Saturday, to answer any questions and provide technical support.