I can't print Yahoo mail using Firefox, but I can using Chrome or Edge.
I have no trouble opening Yahoo mail in Firefox. However when I try to print the email, all I get is a blank page. I don't have any problem printing Yahoo mail using Google Chrome, Microsoft Edge or Microsoft Outlook. I really don't remember when this problem started. It may have been associated with Windows 10 or an update. I am currently using Windows 10 Version 1703, Build 15063.447.
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Hi Jimmarx
Have you tried Firefox Refresh : https://support.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings
and Firefox Safe Mode:
https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode
?
Cheers! -- ...Roland
For what it's worth (zero :-) since every Windows computer and printer seems to be unique!) I don't have any issues printing yahoo mail on our laser printer and Windows 10 and we do have some Yahoo bugs (not sure how relevant they are to your situation!
https://bugzilla.mozilla.org/show_bug.cgi?id=692418 https://bugzilla.mozilla.org/show_bug.cgi?id=738754