These printers use the X654X21A cartridge:

Lexmark X 654

Lexmark X 654 DE MFP

Lexmark X 654 DE

Lexmark X 654 E

Lexmark X 656

Lexmark X 656 DE MFP

Lexmark X 656 DTE MFP

Lexmark X 656 DE

Lexmark X 656 DTE

Lexmark X 656 E

Lexmark X 658

Lexmark X 658 DE MFP

Lexmark X 658 DFE MFP

Lexmark X 658 DME MFP

Lexmark X 658 DTE MFP

Lexmark X 658 DTFE MFP

Lexmark X 658 DTME MFP

Lexmark X 658 DE

Lexmark X 658 DFE

Lexmark X 658 DME

Lexmark X 658 DTE

Lexmark X 658 DTFE

Lexmark X 658 DTME

Lexmark X 658 E

Lexmark XS 651 DE

Lexmark XS 654 MFP

Lexmark XS 658 DME