These printers use the 1040930 cartridge:
IBM 2300 Series
IBM 2380
IBM 2381
IBM 2390
IBM 2391
IBM Dot Matrix 2380
IBM Dot Matrix 2381
IBM Dot Matrix 2390
IBM Dot Matrix 2391
Lexmark 238 X
Lexmark 239 X
Lexmark 2380 Plus
Lexmark 2380 Plus Model SO3
Lexmark 2381 Plus
Lexmark 2390 Plus
Lexmark 2391 Plus
Lexmark Forms 2480
Lexmark Forms 2481
Lexmark Forms 2490
Lexmark Forms 2491
Lexmark Forms Printer 2580
Lexmark Forms Printer 2580 N
Lexmark Forms Printer 2581
Lexmark Forms Printer 2581 N
Lexmark Forms Printer 2590
Lexmark Forms Printer 2590 N
Lexmark Forms Printer 2591
Lexmark Forms Printer 2591 N