After many months of frustration I finally solved a niggling problem with printing.
The number of copies options had been stuck on 2 in Okular and LibreOffice for a long time which I had to keep manually fixing each time I used these products. Couldn't find where the sticky option was. Yesterday I thought to look in the .cups folder and there it was ... copies=2. Edited it to ... copies=1 and the problem has goen away. At least until the next time I set copies to 2 and forget where...
