Web application opens a blank tab when printing

I use a parts look up program called Microcat , the service is used with either a local database or a server database.
I use the local database option , when the application starts it uses my default browser which is firefox. That part of the application works fine, but when I go to print within the application all I get is either blank tab, or a pop up with a print button that doesn't print.
All these features work fine in IE 10 or 11
I have read through and followed several troubleshooting tips from the Mozilla website.
I can send screen shots if required .
Another thing if I try to print within the browser , all I get is a blank page.

You can attach screen shots here (use the Browse... button below the text box) or post them on an image hosting site and paste the links here.
Firefox has some security restrictions on local folders that other browsers do not have, so that might be an issue. Usually if there is a security restriction, it will be listed in Firefox's Browser Console.
Try this:
* Open the Browser Console (Ctrl+Shift+j)
* This console lists tons of other stuff, so it's usually helpful to "unclick" the CSS button to reduce the clutter
* Click Clear
* Then switch over to the page and click the button that launches the blank window
* Then switch back to the Browser Console and check for errors
Anything?

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