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I try to change paper size from na_letter_8.5x11in to A4, but settings are not saved. When I press "Apply", the setting goes back to na_letter_8.5x11in.

The printer is a network connected Toshiba if that matters.

I go into the printer settings and press Job Options on the printer in question.

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I had the same problem. It looks like CUPS overwrites any changes you make. So to fix this type in terminal:

sudo service cups stop

now you need to open /etc/cups/printers.conf in text editor

sudo gedit /etc/cups/printers.conf

and change

option media na-letter


option media iso-a4

save your changes and start CUPS with the following command:

sudo service cups start

You should see your changes in the printer settings. I haven't found a way to change these settings without stopping CUPS.

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editing printers.conf didnt work for me.

I found the settings in system-config-printer. (ubuntu 12 gnome 3)

when i call system-config-printer, I get this window that I never seen before, but it has my printer right click on printer -> Properties -> Printer Options -> Media size: changed to "A4".

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Can you describe this more? – ZDroid Feb 19 '14 at 11:26
yes, done. thanks – Hontoni Feb 19 '14 at 14:07

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