Compatible with the following Lexmark printer: MS310d MS310dn MS312dn MS315dn MS410d MS410dn MS415dn MS510dn MS610de MS610dn MS610dte MS610dtn Package Inclusion: 2 pack of Lexmark 501H 50F1H00 toner Compatible with the Lexmark MS312DN toner cartridge Black Page Yield*: 5,000 *Average cartridge Page Yield* in accordance with ISO 19758. *at 5% coverage (ISO/IEC standard) All LD branded remanufactured MS610 compatible toner cartridge products are specially engineered to meet the highest standards of quality and reliability Lexmark is a registered trademark of Lexmark and is not affiliated with and does not endorse LD Products. Professionally manufactured by LD Products