Armelius Cameron wrote: > So here are the obstacles: > 1. I try to change printer settings from system-settings. After I change > this in Options for the printer, and hit Apply, I get an error dialog box: > "there was an error during the cups operation 'client-error-forbidden'" > > So maybe a problem with a permission. I then did what I know: open a > terminal, su as root, run system-config-printer, and change the settings > there. So my question, why doesn't KDE prompt me for authentication ? Because this has not been implemented or not been implemented properly. It's a bug in any case. > 2. After doing that, I checked again under System-settings, printer > configuration, and it seems that it reflected the changes I made. However, > under Okular print dialog, Options, it still says: Duplex Printing: None. > Why is this so ? Because Qt didn't load your CUPS defaults. This should be fixed by a Qt patch included in our big KDE 4.4.0 update. Kevin Kofler