These printers use the 50F0XA0 cartridge:
Lexmark MS 312 DNW
Lexmark MS 410 D
Lexmark MS 410 DN
Lexmark MS 415 DN
Lexmark MS 510 DN
Lexmark MS 610 DE
Lexmark MS 610 DN
Lexmark MS 610 DTE
Lexmark MS 610 DTN
Lexmark MX 611 DFE