2 Units; Compatible Drum Unit for 52D0Z00 and Laser Toner Cartridge Replacement for Lexmark 52D1000 Page Yield: Around 100,000 Pages by the Drum and 25,000 Pages by the Toner Cartridge of Black Printing @ 5% Standard Coverage Rate on A4 Paper Size. Manufactured with highest quality and standards by ISO, CE, & REACH manufacturer for best printing performance matching the standards of OEM. for Lexmark MS810N / MS810DN / MS810DE / MS810DTN / MS811N / MS811DN / MS811DTN / MS812DN / MS812DTN / MS812DTN / MS710dn / MS710n / MS711dn PRINTOXE® Brand 100% Compatible in Retail Package Shown in Image. Shelf Life exceeds 24 Months.