We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

搜索 | 用户支持

防范以用户支持为名的诈骗。我们绝对不会要求您拨打电话或发送短信,及提供任何个人信息。请使用“举报滥用”选项报告涉及违规的行为。

详细了解

Print Preview Defaulting "Printing from Win32 Application"

more options

We are using a website designed for Firefox, and when we use the "print" function within the website tool bar, on one of our PCs, it always defaults to a print preview which states "Printing from Win32 Application - Print". We have "print.always_print_silent" set to true, on this and all of the other PCs using the website, but only this PC has the issue. We can't figure out what is making it pop up the print preview.

We are using a website designed for Firefox, and when we use the "print" function within the website tool bar, on one of our PCs, it always defaults to a print preview which states "Printing from Win32 Application - Print". We have "print.always_print_silent" set to true, on this and all of the other PCs using the website, but only this PC has the issue. We can't figure out what is making it pop up the print preview.

所有回复 (5)

more options

That's an odd dialog title.

Does it matter what printer is configured as the default in Firefox? This is controlled by the print_printer preference. (If that preference is blank, presumably the system default printer will be used.)

more options

We tried a different printer and got the same result, but still only on this one PC.

more options

I guess that is the current system dialog in Windows 11? Is the print.prefer_system_dialog preference enabled on the aberrant browser? Or maybe I should ask whether it has its default value of false on the working browsers, since I think that is where the dialog comes from.

I'm not sure how the silent and system preferences are supposed to interact.

more options

All of the PCs are Windows 11 machines. All of them have print.prefer_system_dialog as the default of False, including the one that has the issue.

more options

It's hard to understand why you are getting the system print dialog if that is disabled. I wonder whether Firefox is sending some invalid parameters which trigger the display of that dialog. If you disable silent printing, can Firefox print to the intended printer through its own internal print overlay?