Instructions
Open Firefox and type ‘about:config‘ in the address bar and press enter. Click to confirm that you will be careful.
![](https://i0.wp.com/net27.biz/wp/wp-content/uploads/2019/05/print_dialog_1.png?resize=640%2C312)
Right click on the page, hover over ‘New’ and click on ‘Boolean’.
![](https://i2.wp.com/net27.biz/wp/wp-content/uploads/2019/05/print_dialog_2.png?fit=640%2C266)
Type ‘print.always_print_silent‘ as the preference name and click ‘OK’.
![](https://i1.wp.com/net27.biz/wp/wp-content/uploads/2019/05/print_dialog_3.png?fit=640%2C210)
Click on ‘true’ and click ‘OK’.
![](https://i2.wp.com/net27.biz/wp/wp-content/uploads/2019/05/print_dialog_4.png?fit=640%2C207)
That’s it, the print dialog boxes will no longer pop up for you!
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