Fix printing problems in Firefox

This article describes how to troubleshoot printing problems in Firefox. For general information about printing in Firefox, see How to print web pages in Firefox.

Check Firefox page settings

If a web page prints incorrectly in Firefox:

  1. Click the menu button Fx57Menu and select Print.
    Fx57menu-Print
    The print preview window will appear.
  2. From the print preview window, make sure Scale is set to Shrink To Fit.
  3. Make sure the Portrait orientation is set.
  4. Click Page Setup....
    The Page Setup window will appear.
  5. From the Page Setup window, click the Margins & Header/Footer tab.
  6. From the Margins section, make sure the page margins are set correctly (the default setting is 12.7 mm, or 0.5 in).
  7. Click OK to close the Page Setup window and return to the Print Preview window.
  8. From the Print Preview window, click Print....
    The Print window will appear.
  9. Make sure the correct printer is shown in the Name field.
  10. Make sure the Print to file setting is not selected.

If you made changes, go ahead and attempt to print the page again. If not, follow the instructions below.

Check Firefox page settings

If a web page prints incorrectly in Firefox:

  1. Click the menu button Fx57Menu and select Print.
    The print preview window will appear.
  2. From the print preview window, make sure Scale is set to Shrink To Fit.
  3. Make sure the Portrait orientation is set.
  4. Click Print.
    The Print window will appear.
  5. Make sure the correct printer is shown in the Name field.
  6. Click the Page Setup tab.
  7. Ensure that the page margins are set correctly (the default setting is 12.7 mm, or 0.5 in).

If you made changes, go ahead and attempt to print the page again. If not, follow the instructions below.

Check other browsers and printers

You can see whether your problem is with Firefox, your printer or the website you're visiting:

  • Check to see whether the page prints correctly in another browser (such as Internet Explorer or Microsoft EdgeSafariEpiphany).

If the page prints incorrectly in another browser also, then:

  • there might be a problem with your printer.
    If you have another printer, try printing the page with that printer. If the second printer prints the page properly, update your printer driver from your printer manufacturer's website.
  • there might be a problem with the page.
    Contact the website administrator.

If the page prints correctly in another browser, follow the instructions below in the following sections.

Reset Firefox printer setting

Several printer issues can be resolved by resetting Firefox's printer settings:

  1. In the address bar, type about:config and press EnterReturn.
    A warning page may appear. Click I accept the risk!Accept the Risk and Continue to continue to the about:config page.
  2. In the Search field, type print_printer.
  3. Click the Delete Fx71aboutconfig-DeleteButton button to the right of the print_printer preference.
  4. Click the menu button New Fx Menu and select ExitQuit Close 29 .

    Click the Firefox menu Fx57Menu and select Exit. Click the Firefox menu at the top of the screen and select Quit Firefox.Click the Firefox menu Fx57Menu and select Quit.

When you start Firefox again, try printing the page that you had problems with previously.

Note: In older versions of Firefox print.print_printer was the preference name. The old preference name may exist along with the new name. That old preference can be removed by clicking the Delete Fx71aboutconfig-DeleteButton button. Restart Firefox and print a page after performing the reset. That preference won't reappear. The newer preference will only be available.
  1. In the address bar, type about:config and press EnterReturn.
    A warning page may appear. Click I accept the risk!Accept the Risk and Continue to continue to the about:config page.
  2. In the Search field, type print_printer.
  3. Right-clickHold down the control key while you click on the print_printer preference and select Reset.
  4. Click the menu button New Fx Menu and select ExitQuit Close 29 .

    Click the Firefox menu Fx57Menu and select Exit. Click the Firefox menu at the top of the screen and select Quit Firefox.Click the Firefox menu Fx57Menu and select Quit.

When you start Firefox again, try printing the page that you had problems with previously.

Note: In older versions of Firefox print.print_printer was the preference name. The old preference name may exist along with the new name. That old preference can be removed by right-clickingcontrol-clicking and selecting Reset. That preference won't reappear. The newer preference will only be available.

Reset all Firefox printer settings

If the above steps did not work, you may want to reset all of Firefox's printer settings:

  1. Open your profile folder:

    • Click the menu button Fx57menu , click Help and select Troubleshooting Information.From the Help menu, select Troubleshooting Information. The Troubleshooting Information tab will open.
    • Under the Application Basics section next to Profile FolderDirectory, click Open FolderShow in FinderOpen Directory. A window will open that contains your profile folder.Your profile folder will open.
    Note: If you are unable to open or use Firefox, follow the instructions in Finding your profile without opening Firefox.

  2. Click the menu button New Fx Menu and select ExitQuit Close 29 .

    Click the Firefox menu Fx57Menu and select Exit. Click the Firefox menu at the top of the screen and select Quit Firefox.Click the Firefox menu Fx57Menu and select Quit.

  3. In your profile folder, copy the prefs.js file to another folder to make a backup of it.
  4. Open the original prefs.js file in a text editor (such as WordPadTextEditEmacs).
  5. Remove all lines in the prefs.js file that start with print_ and save the file.

If something goes wrong when you open Firefox, close it again and overwrite prefs.js with the backup you generated.

// These fine people helped write this article:AliceWyman, Bo102010, philipp, the-edmeister, Underpass, Tonnes, Michele Rodaro, Michael Verdi, scoobidiver, TyDraniu, Swarnava Sengupta, ideato, user669794, Ralph Daub, Lan, pollti, Imen, hdraisma, Lamont Gardenhire. You can help too - find out how.

Was this article helpful? Please wait...

Volunteer for Mozilla Support