These printers use the 81-0540-102 cartridge:
Burroughs-Unisys UDS 140
Burroughs-Unisys UDS 142
Burroughs-Unisys UDS 144
Burroughs-Unisys UDS-5142
Lexmark T 630
Lexmark T 630 DN
Lexmark T 630 N
Lexmark T 630 N VE
Lexmark T 630 VE
Lexmark T 632
Lexmark T 632 DN
Lexmark T 632 DTN
Lexmark T 632 DTNF
Lexmark T 632 N
Lexmark T 632 TN
Lexmark T 634
Lexmark T 634 DN
Lexmark T 634 DTN
Lexmark T 634 DTNF
Lexmark T 634 N
Lexmark T 634 TN
Lexmark X 630 MFP
Lexmark X 632 E MFP
Lexmark X 632 MFP
Lexmark X 632 S MFP
Lexmark X 634 DTE MFP
Lexmark X 634 E MFP