%% How to print, maybe with lp instead lpr, the priner
%% name <foo> has to be replaced by a real printer name
%% maybe the printer name found in $PRINTER
%%
%o | lpr -P<foo>
%o | lp -P<foo>

%% If your default is A4 uncomment the line with A4
%% otherwise you may choose Letter as your default.
%%
%t A4
%t Letter