If you find a bug in Gutenprint or have any suggestions for
modification or improvement, please send electronic mail to the
Gutenprint bug reporting address,
<gimp-print-devel@lists.sourceforge.net>. Please
include the version number, which you can find at the bottom of
each manual page. Also include in your message the output that
the program produced and the output you expected, if applicable,
otherwise the best description of the problem that you can
provide.
If you have other questions, comments or suggestions about
Gutenprint, contact the developers via electronic mail to the
Gutenprint mailing list
<gimp-print-devel@lists.sourceforge.net>. They
will try to help you out, although they may not have time to fix
your problems.