Xerox / Phaser 6180 6180DN 6180N 6180MFP 6180MFPD 6180MFPN. all our Toner Cartridges are NOT compatible cartridges, but original version. They have been manufactured with one of the highest OEM Toner on the market. We value our customer's satisfaction so we insure that these cartridges are tested for quality assurance. Our goal is to continue this and start supplying the market with top-quality products at a fraction of the price you see at stores. SO, shop with confidence, customer satisfaction and assurance is our #1 priority!