User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-GB; rv:1.9.0.1) Gecko/2008070206 Firefox/3.0.1 Build Identifier: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-GB; rv:1.9.0.1) Gecko/2008070206 Firefox/3.0.1 If Page Setup is chosen from the File menu, you can change the page setup, however after that the options to Print and Page Setup are greyed out and therefore not manually selectabled, yet still you can use the keyboard shortcut Cmd P and the document will print despite its apparent de-activation. Reproducible: Always Steps to Reproduce: 1. From File menu choose Page Setup 2. Click OK or Cancel 3. Click on File menu again, you will see the options to Print greyed out 4. Press Cmd P, the de-activated option works even though greyed out in the File menu. Actual Results: Full funtionality remains, it's just that the menu options to do with printing are greyed out after one invocation. Expected Results: The menu should not grey out unless a dialog is already open.