>If you send information to the printer with the command "???" (three question marks), it is supposed to be sent directly to the printer, without any interpretation by the Windows printer driver. I am not sure whether it works in all cases (and with all printers!), but you may want to try it. If I remember correctly, you will also need the SET PRINTER command.
>
>By the way, the term used in English for "impresora matricial" is "dot matrix printer".

Gracias, Hilmar.

Efectivamente uso ??? y funciona bien en mi "dot matrix printer" pero no en otras. Hoy sufrí la segunda derrota pero voy por más!!!

Gracias otra vez.

Héctor