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I Cannot print my local language correctly, but it is correct on screen

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My local language pdf files were showing correctly on screen. but on paper the characters were funny. and unreadable. may be the old versions were printing them correctly but i am not able to print correctly this documents in newer versions like 17....23...

My local language pdf files were showing correctly on screen. but on paper the characters were funny. and unreadable. may be the old versions were printing them correctly but i am not able to print correctly this documents in newer versions like 17....23...

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In order to change the default reader for PDF files (to not open PDF files with Firefox's internal PDF reader), follow these steps:

  1. Go to Tools > Options (or Firefox > Options).
  2. In the Options window, select the Applications tab.
  3. In the Search field, type PDF. You should find Portable Document Format (PDF).
  4. On the right handside you should find an Action column. Use that to select your favorite PDF reader. In order to view PDF files in Firefox, choose Preview in Firefox.

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