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firefox no longer recognized my installed printers please help!

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New User

firefox no longer recognized my installed printers please help!

I believe it is since firefox requested that I update silverlight however everytime I click on print in firefox I'm asked if I want to install a printer. Several are already installed and previously worked with firefox and currently work with chrome and all other programs. please help. I have uninstalled and reinstalled firefox several times since this started occurring and am about to give up. please help

17 REPLIES
Mozilla Support Contributor

Re: firefox no longer recognized my installed printers please help!

Hello crazyjimbrown, try to Reset all Firefox printer settings and check it again.


thank you

Mozilla Support Contributor

Re: firefox no longer recognized my installed printers please help!

Firefox retains information about all the printers you have used, and clearing that information often helps solve printing problems. This article describes how to do that (in addition to the last used printer setting, you will see other settings you can reset if you like): http://kb.mozillazine.org/Problems_printing_web_pages#Reset_printer

Sometimes you may see a dialog saying that the print spooler service is not running, yet you can print from other Windows software. There is more info on how to address that here: http://kb.mozillazine.org/Problems_printing_web_pages#Print_spooler_service_is_not_running

Any luck?

New User

Re: firefox no longer recognized my installed printers please help!

tried this one, no print.print_printer in file so apparently firefox does not know I have printers installed

New User

Re: firefox no longer recognized my installed printers please help!

went to do this "show folder" button does not open anything?

Mozilla Support Contributor

Re: firefox no longer recognized my installed printers please help!

The Show Folder button should open your currently active personal settings (AKA Firefox profile) folder. An alternate way to access that folder is to paste this into the Windows Start menu search box and press Enter to launch Windows Explorer:

%APPDATA%\Mozilla\Firefox\Profiles

Because the name of the folder contains random characters, you'll have to navigate down the next level manually (I can't include it in the above link).


Did you try the about:config method? Might be easier.

(1) In a new tab, type or paste about:config in the address bar and press Enter. Click the button promising to be careful.

(2) In the filter box, type or paste printer and pause while the list is filtered

(3) Right-click print.print_printer and choose Reset. You can reset your other printer settings as well, which may take many clicks.

New User

Re: firefox no longer recognized my installed printers please help!

in the about config method all the printer reset settings are greyed out. I was able to use internet explorer to find the profiles (actually 5 folders empty) but I'm not sure what to do there

Mozilla Support Contributor

Re: firefox no longer recognized my installed printers please help!

I'm not sure what you mean by this --

all the printer reset settings are greyed out

-- are the settings already clear, so there's nothing to reset?

I'm not sure why you have 5 empty profile folders, but one of the folders should contain your currently active settings files. For example, your bookmarks would be stored in the places.sqlite database file and there would be currently dated backups in the bookmarkbackups sub-folder.

By the way, have you restarted Windows since this problem started in case any updates are still pending or incomplete, awaiting a restart?

New User

Re: firefox no longer recognized my installed printers please help!

yes they are clear. I uninstalled and reinstalled firefox 5 times using revo uninstaller since the issue started so I guess that's where all the folders came from. I restarted windows 2x each time I unistalled before reinstalling.

Mozilla Support Contributor

Re: firefox no longer recognized my installed printers please help!

Could you check the print spooler service issue as well?