I can't print from Firefox. I followed instructions in 'Troubleshooting' under 'Reset Firefox printer settings' but print.print_printer is not there. I tried 'Reset all Firefox printer settings' and I can't open 'prefs.js' at all. Help!
When I try to open prefs. I get 'Error: Invalid character & code: 800A03F6.
When I try to open prefs. I get 'Error: Invalid character & code: 800A03F6.
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Don't try to open the prefs.js file with a double click. That makes Windows try to run the file as a JScript files and that fails.
Did you check the about:config page in Firefox?
When I do about:config, there is no print.print_printer (as it says in the troubleshooter) Also, I can't open prefs.js using any method. I get an error code.