Version: 0.9.2 (using 4.3.2 (KDE 4.3.2) "release 5", KDE:43 / openSUSE_11.1) Compiler: gcc OS: Linux (x86_64) release 2.6.27.29-0.1-default we have a (logical) printer defined in cups which prints all documents double sided. (Openoffice, kwrite) IMHO kwrite print options open and uses the CUPS parameters where as okular uses different printer settings - so it is necessary to specify double sided printing for each output - which IMHO is neither user nor envirenmental friendly.
*** This bug has been marked as a duplicate of bug 209620 ***