What OS? What version of Firefox? Post a screenshot of what you're trying to print and hide any personal info. Can we access the same file you're trying to print? No issues for me in print preview with this page. see screenshot Have you tried with Firefox in Troubleshoot Mode? https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#w_how-to-start-firefox-in-4troubleshoot-modesf5safe-modesf