Amazon.com: Do it Wiser Compatible Printer Toner Cartridge Replacement for Lexmark 50F1H00 501H MS310dn MS312dn MS315dn MS410dn MS415dn MS510dn MS610dn (5,000 Pages High Yield) : Electronics
Amazon.com: Be Green Ink Compatible Replacement Black Toner Cartridge for Lexmark MS310dn MS312dn MS315dn MS410dn MS415dn MS510dn MS610dn – 50F1H00 Black Toner (2 Pack 5,000 High Yield) : Office Products
Remanufactured Toner Cartridge Replacement for Lexmark MS310dn MS312dn – New Era Toner