Remanufactured Black Drum Unit, Replacement for DR400, 20,000 Page-Yield Reduce printing costs—save 30% or more compared to the national brands. Backed by expert technical support, manufacturer’s limited warranty, and 100% performance satisfaction guarantee. Remanufactured drums are used drums collected for reuse and run through a patented process where they are restored to like-new condition. Consistent performance—each drum unit is designed and tested to work every time. Meets or exceeds the page yield and print performance of the national brands.