Ralf Lindemann has mentioned in the comment here how to customize the options. This option doesn't seem to exist anymore in the new Print dialog of Firefox 86. The Page Setup button opens a system dialog box whose Margins & Headers/Footers tab has many customizable settings (above image). Old Firefox Print Preview, Click to enlarge Then search for print.tab_modal.enabled in the search field on the next page that appears and change the hit displayed to false (see arrows in the following figure).īlog reader Martin mentioned it in this comment – Techdows colleagues also described these options in this article.

Type the term about:config in the Firefox address bar and then select the Accept risk and continue button in the page that appears.Ģ. If you want to force the system's old print dialog permanently, you can try this in the Firefox settings.ġ. The options offered there depend on the printer driver. In the sidebar with the print options, there is a hyperlink at the bottom (scroll down using the scroll bar) Print with system dialog, which can be used to call up the system print dialog if required If you use Firefox, you can follow the discussion about the hurdles with the new Firefox 86 and its print settings – as well as the compatibility problems with Microsoft Teams – in the German comments. In Europe however, we prefer to specify the margins in millimeters. I use the German edition – the above screen appears if you select the More settings option and then select the value 'User-defined (inches)' under Margins. The margin setting is using inches in the new Print dialog, as I show in the following image. And Ralf Lindemann points out another unattractive thing in this German comment. Blog reader Martin writes that in a sandbox he uses for browser isolation, he can no longer change the headers and footers. Within the German comments here, users who use the Firefox browser expressed mixed reactions. The new printing preview page can be seen in the screenshot above, while older versions of the Firefox browser displayed the system print dialog. The Mozilla developers have changed the print functionality and write that they have improved the whole thing with a clearer design and better integration of the printer settings. I had already addressed it on Februin the blog post Firefox 86.0.0 and 78.8.0 ESR released.

It is a new development branch of FF 86 that brings some new features. Mozilla's developers have released version 86.0.0 and 78.8.0 ESR of the Firefox browser as of February 23, 2021.

Firefox printer settings