This SuppliesMAX Ink Roller is Designed to be a Compatible Replacement for Seiko IR-91B and is Guaranteed to Match and Outlast the OEM Version ; Designed for simple replacement and easy operation, this guarantees your machine to print the same high standards. Enjoy consistently smooth, professional output. Model: SuppliesMAX Seiko IR-91B Ink Roller Color: Black Yield: N/A 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.