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The following three preferences are the default, but any printer-specific value overrides them, allowing you to customize individual printers: (2) In the search box in the page, type or paste print_h and pause while the list is filtered - you'll see something like the first screenshot (the exact number of custom preferences depends on how many different printers you have used) (1) In a new tab, type or paste about:config in the address bar and press Enter/Return. Here is how you can update your header and footer content for particular printers or all printers: Date/Time => &D (placed in Footer-Right by default).Page number of total (x of y) => &PT (placed in Footer-Left by default).URL => &U (placed in Header-Right by default).Title => &T (placed in Header-Left by default).Headers and Footers are split into three parts each of which can contain free-form text and placeholders that Firefox replaces with values computed at print time. Left, Center, and Right Header and Footer Preferences (2) Roll back to the old school Firefox approach of separate Print/Preview/Page Setup displays.
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(1) Become comfortable with entering header/footer detail in the Advanced Configuration Editor (about:config) screen. Hi Cobalt, I'll give you two workarounds with the details to follow: If you still can't find the file you need, you can leave a "message" on the webpage.New option for users of Firefox 97 and higher: Restoring the Page Setup dialog to the file menu.If yes, please check the properties of these files, and you will know if the file you need is 32-bit or 64-bit. If you encounter this situation, check the file path to see whether there are any other files located in. There is a special case that, the operating system is a 64-bit system, but you are not sure whether the program is 32-bit or 64-bit. If your operating system is 32-bit, you must download 32-bit files, because 64-bit programs are unable to run in the 32-bit operating system. (Method: Click your original file, and then click on the right key to select "Properties" from the pop-up menu, you can see the version number of the files) If your original file is just corrupted but not lost, then please check the version number of your files. If you know MD5 value of the required files, it is the best approach to make choice Tip: How to correctly select the file you need
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