High-quality, Return Program imaging unit is essential to Lexmark� print system performance.Imaging unit is designed to work best with Unison� toner to perform in an innovative, shake-free print system.Genuine Lexmark� supplies are engineered to work best together with your Lexmark printer, delivering excellent print quality from the first page to the last. Lexmark� Return Program imaging units are patented devices that are sold at a special price subject to the restriction that the imaging unit may be used only once.Following the initial use, the customer agrees to return the imaging unit only to Lexmark� for remanufacture and/or recycling.High-quality, Return Program imaging unit is essential to Lexmark print system performance. imaging unit is designed to work best with Unison toner to perform in an innovative, shake-free print system. Genuine Lexmark� supplies are engineered to work best together with your Lexmark printer, delivering excellent print quality from the first page to the last. Lexmark� Return Program imaging units are patented devices that are sold at a special price subject to the restriction that the imaging unit may be used only once. Following the initial use, the customer agrees to return the imaging unit only to Lexmark� for remanufacture and/or recycling.