We recently got a Canon wireless printer. The Canon ug-in has no settings of it's own. The instructions say the print option will appear under the "share" icon. It does, and works, in other apps. In Firefox, however, there are close to a dozen ways to share a page in Firefox but no way to print it. I just need to print the occasional return label or recipe but why doesn't it show up? Is it somewhere else? I've combed settings and add-ons and can't find an answer. This is the case on both my (admittedly aged) Samsung Galaxy 5 and several generations of Fire tablets. Advice appreciated.