>>> > You are missing the fact that I was talking about PostScript printing,
>>> > not printing via the Windows printer API.
>>> I am not sure about that. Could someone who have this problem and have
>>> a PostScript printer try printing through the web browser, please?
>> And that will prove what, exactly? that Windows knows how to use a PS
>> driver for a printer?
> I think that the browser will send PostScript to the printer.
The browser will render the page using the GDI Windows API. Then,
the printer driver will translate this to wathever the printer requires
(PostScript, in this case).