Product Description The Lexmark 700D1 Black Developer Unit (70C0D10) ensures consistent, high-quality black toner development for Lexmark CS and CX series printers. With a 40,000-page yield, this genuine Lexmark unit provides reliable, long-lasting performance for high-volume office printing, maintaining sharp, professional output. Product Specifications Brand: Lexmark Part Number: 70C0D10 Colour: Black Compatibility: CS310, CS410, CS510, CX410, CX510 Function: Developer unit for black toner Yield: 40,000 pages Type: Genuine Lexmark Developer Unit Product Highlights – Bulleted List Ensures consistent, sharp black printing Genuine Lexmark part for optimal printer performance 40,000-page yield for high-volume printing Reliable and long-lasting for office environments Easy to install and replace 1 x Lexmark CS310 CS410 CS510 CX310 CX410 CX510 700D1 Black Developer Unit can be used for:Lexmark CS310Lexmark CS310DNLexmark CS310NLexmark CS410Lexmark CS410DNLexmark CS510Lexmark CS510DELexmark CS510DTELexmark CX310Lexmark CX310DNLexmark CX410Lexmark CX410DELexmark CX510Lexmark CX510DELexmark CX510DHE