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 2380 Plus

Lexmark 2380 Plus Model SO3

Lexmark Forms 2480

Lexmark Forms 2481

Lexmark Forms 2490

Lexmark Forms 2491