Lexmark 505 MS310 Original Toner – Black | 50F5000Page YieldThe 50F5000 (505 Return Program Toner Cartridge) offers a standard yield of approximately 1,500 pages based on ISO/IEC 19752 testing standards.Printer CompatibilityThe 50F5000 cartridge is compatible with multiple Lexmark mono laser printers, including:Lexmark MS310d / MS310dnLexmark MS312dnLexmark MS410d / MS410dnLexmark MS510dnLexmark MS610de / MS610dn / MS610dte