...
You will not be able to print from any KDE applications such as Konqueror or Okular because KDE does not prompt for a username and password.
Fixing LibreOffice Cannot Print
You will not be able to print from LibreOffice because LibreOffice does not prompt for a username and passwordwithout performing the following steps:
- Start LibreOffice
- Under the Tools menu, choose Options.
- In the Options window, under "LibreOffice", choose "Advanced".
- Check "Enable experimental features".
- Click OK.
- Go back to Tools menu and Options.
- Under "LibreOffice", choose "General".
- Uncheck "Use LibreOffice dialogs" under the "Print dialogs" heading.
- Click "OK".
- Printing from LibreOffice now works.