lexmarks 125

I have been having many problems printing with the
lexmarks all-in-one.

I have uninstalled and reinstalled. Now I can't even get
it to reinstall.

I am a non-techie. I'm trying to follow directions but
the things that pop up on the computer like "drive not
signed" or "print process drive does not exist" don't
tell me what to do about it.

The Lexmarks instruction book and web site may as well be
written in sanskrit.

Is this an XP problem, a user problem, a lexmarks
problem? Help!