Lexmark B241H00 Black High Yield Return Program Toner CartridgeFeatures Unison Toner for outstanding imaging quality, from the first page to the last. Essential to Lexmark print system performance, Unison B241H00 toner formulation consistently delivers outstanding image quality, ensures long life print system reliability and promotes superior sustainability all in an innovative shake free print system. Keep up front costs low and quality high with Genuine Lexmark B241H00 cartridges.