Lexmark Wheelwriter 2500 Typewriter "ibm code 099" Questions

...IBM Wheelwriter 3500 typewriter and it's not typing the right letter/number/symbol as the key I hit. There is a "KYBD 099" on the screen that I've never seen before. I can't find the manual for ...

...099, but we have no manual and do not know the solution. The keyboard seems to be connected properly. Keyboard 99 is Laten supplemental. Try holding down the code key and pressing the x key it should ...

IBM Wheelwriter 30, Series II has message KYBD 099 Tour keyboard is going bad. Hold the code down press lang (L) key release the "L" type 001, release the code key this should put you on U.S. keyboard