This SuppliesMAX Toner Cartridge Combo Pack is Designed to be Compatible with the Gestetner Corp 40817MP and is Guaranteed to Match and Outlast the OEM Version ; Designed for use in the USA ; 7000 Page Yield on 5% Page Coverage Model: SuppliesMAX Gestetner Corp 40817MP Toner Cartridge Combo Pack Color: Black/Cyan/Magenta/Yellow Yield: 7000 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.