These printers use the 1040930 cartridge:
Click On a Printer to View it's Cartridges
          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