Includes a Photoconductor unit and a Black photodeveloper unit. Yield: Up to 30.000 pages. based on an average of 3 pages per job and approximately 5% coverage. Yields may vary based on customer usage.Compatible Printers: Lexmark X 543 DN. Lexmark Optra C 540 N. Lexmark Optra C 544 DN. Lexmark X 548 DTE. Lexmark Optra C 544 DTN. Lexmark Optra C 546 DTN. Lexmark X 548 DE. Lexmark C 540 N. Lexmark C 544 DN. Lexmark X 544 DN. Lexmark X 544 DTN. Lexmark Optra C 543 DN. Lexmark Optra C 544 N. Lexmark C 544 N. Lexmark C 543 DN. Lexmark C 546 DTN. Lexmark C 544 DW. Lexmark X 544 DW. Lexmark C 544 Series. Lexmark X 546 DTN. Lexmark X 544 N. Lexmark C 544 DTN. Lexmark Optra C 544 DW