Setting up default print page orientation in firefox

Task:
           To change the default printer page orientation setting on Firefox browser to new one instead of set by OS default. Even, if the orientation setting was set in printer driver interface or administration tool given by the respective vendor, Firefox may show different setting. To change that in Firefox use the procedure given below.
Solution:
            Orientation setting of pages to be printed from Firefox using installed printers in a system set by Operating System or the vendor driver software of the respective printers while installing or configuring of that by default. This can be reconfigured at any time by editing Firefox setting. To view and edit the settings,

1. Run  'about:config' from address bar. This will shows entire list of configurations of Firefox
2. To filter that to orientation, type 'orientation' on filter text box and you will get results given below (like similar not exactly, because printer names may vary)

   

   Orientation settings of Firefox for Printers
   
   It shows config values of two printers installed. In that, 3'rd and 4th items are denotes the numeric values of each setting (0 - portrait, 1 - Landscape)

   
   
3. Change the last two line(for two different printers), to whatever the setting you want. Here i have set 'portrait' for both printers by setting the value of '0'.

          From now, the default page orientation for the page to be printed will be changed to new setting what you set before.

Note : This is tested under Ubuntu 11.10 and Firefox version is : 7.0.1