These printers use the T654X11E cartridge:
Lexmark T 650
Lexmark T 650 DN
Lexmark T 650 DTN
Lexmark T 650 N
Lexmark T 652
Lexmark T 652 DN
Lexmark T 652 DTN
Lexmark T 652 N
Lexmark T 654
Lexmark T 654 DN
Lexmark T 654 DTN
Lexmark T 654 N
Lexmark T 656 DNE
Lexmark TS 654 DN
Lexmark TS 656 DNE