Compatible with the following Lexmark printer: MS310d MS310dn MS312dn MS315dn MS410d MS410dn MS415dn MS510dn MS610de MS610dn MS610dte MS610dtn Package Inclusion: 4 pack of Lexmark 501H 50F1H00 toner Delivers the same pages just like the Lexmark MS312DN toner cartridge Black Page Yield: 5,000 *Average cartridge page yield in accordance with ISO 19778 All LD branded remanufactured MS610 toner cartridge products are specially engineered to meet the highest standards of quality and reliability Reliable Printing Quality: All remanufactured replacement for Lexmark MS310DN toner cartridge are quality tested to ensure long-lasting use and bold, vivid print on every page