This SuppliesMAX Dot Matrix Printer Ribbon is Designed to be Compatible with the Olivetti 7338175BR and is Guaranteed to Match and Outlast the OEM Version ; Designed for use in the USA. Model: SuppliesMAX Olivetti 7338175BR Dot Matrix Printer Ribbon Color: Black/Red Yield: Machine Compatibility: See overview tab Manufacturer Warranty: 30 DAYS Our compatible toner, inkjet cartridges, ribbons, copier and other supplies are constructed to original OEM specifications. Guaranteed Superior Quality to Meet or Exceed High Priced OEM Products. Product packing may vary but it will not affect quality and warranty.