Genuine black developer and photoconductor unit for the Lexmark CX820/CX825/CX860 and CS820 seriesWhy You'll Love It Designed to work best with Unison toner for outstanding image quality and reliability Developer yields approximately 300,000 pages and the photoconductor approximately 175,000 pages Standout performance and maximum yield for high-volume printing efficiency Return Program unit supports Lexmark remanufacture and recycling Perfect For Maintaining print quality on heavy-duty Lexmark colour laser printers.Details Component: black developer and photoconductor unit Developer yield: approximately 300,000 pages Photoconductor yield: approximately 175,000 pages Print technology: laser Compatible printers: Lexmark CX820dtfe, CX825dte, CX825dtfe, CX860dte, CX860dtfe, CX860de, CX825de, CX820de, CS820dte, CS820dtfe and CS820de Country of origin: China