These printers use the 12A6730 cartridge:
Click On a Printer to View it's Cartridges
Lexmark Optra T-520
Lexmark Optra T-520 D
Lexmark Optra T-520 N
Lexmark Optra T-520 N SBE
Lexmark Optra T-520 SBE
Lexmark Optra T-520 VN
Lexmark Optra T-522
Lexmark Optra T-522 N
Lexmark T 520
Lexmark T 520 D
Lexmark T 520 DN
Lexmark T 520 N
Lexmark T 520 N SBE
Lexmark T 520 SBE
Lexmark T 522
Lexmark T 522 DN
Lexmark T 522 N
Lexmark X 520
Lexmark X 520 MFP
Lexmark X 522
Lexmark X 522 MFP
Lexmark X 522 S
Lexmark X 522 S MFP
Burroughs-Unisys UDS 130
Burroughs-Unisys UDS 130 N
Burroughs-Unisys UDS 132
Burroughs-Unisys UDS 132 N
Gestetner P 6220
Micro-Plex Rapid 18-3
Micro-Plex Rapid 24-3
Nashuatec P 6220
Nashuatec P 6225