samba - May 2004 - Troubles: Samba 2.2.8a + SCO 7.1.1 printing...

Hello!

We have strange troubles with printing after installation of samba 2.2.8a on
Unixware 7.1.1...
Sometimes (suddenly) printing through the standard 'lp' interface stops
with
"Cannot write request".
Problem disappears only if i restart samba daemons.... for a while...
(( 
Pls, help if there is 'stable' solution of that trouble. 

Thanks in advance.
Maksim.

p.s.
Samba 1.9.18p10 works fine :-/