Hi I posted this yesterday on the KDE mailing list, but received no opinions. So I'll try to repost here: I have a weird problem in KDE's printing dialog: My printer is shared via a printserver on a OpenSUSE running as NAS/server/host whatever, using CUPS and Avahi. After configuring cups and avahi on the client machine it picks up any printer announcement and makes the printer available locally. I have verified that Avahi announces the printer capabilities as Duplex True. klaus@msien:~> avahi-browse -c _ipp._tcp --resolve | grep -i duplex txt = ["printer-type=0x901E" "Duplex=T" "Color=T" ... Firefox and LibreOffice picks up this, and I can select Duplex Long or Short edge as expected. But trying to print from Konqueror or Okular any duplex option is grayed out and selection is stuck on Off. However: If I open the Firefox printing dialog, select Long edge and press Cancel, then immediately enter the print dialog in Okular (or Konqueror), I can now select Long or Short edge print (and it the printer does duplex as requested) I am runnning KDE Frameworks Version 5.105.0, Qt Version 5.15.9 (built against 5.15.9), cups-2.4.2 on OpenSUSE Tumbleweed. Any opinion if this bug is in OpenSUSE, KDE, or maybee CUPS? -- Thanks Klaus