Dataproducts DPC4234 Toner Bottle Replacement for Canon GPR-4 Assembled in USA 100% satisfaction guarantee; expert technical support 1-year warranty; 100% performance guarantee; expert technical support: The use of this Dataproducts print cartridges does not void your printer's warranty Compatible Hardware: Canon Image RUNNER 5000s, 5020, 6000, 6020 Page Yield: 33,000