Most printers don't require a plugin for your printer because Firefox just retrieves the printer driver from Windows' settings. The plugin for your printer is probably optional, so I doubt that it is causing the issue. How are you attempting to print the website? Are you using the Firefox menu bar button? Are you using the print toolbar button? Are you using a print button on the website? Some useful information on fixing issues with Firefox printing can be found in this Mozilla support article: *[[Fix printing problems in Firefox]]