Firefox Community Forum

I have always, for 15+ years, been able to use the system Print dialog box to create a PDF.

But as of updating Firefox to version 152.0 (aarch64), all buttons related to Saving a PDF, etc. send the document straight to the Printer to print a hard copy. There no longer appears to be any way to save a PDF.

Example scenario: 1.) Visit website 2.) Select Print (cmd-P, File > Print) and open the 1st print dialog box 3.) Select "Print using the system dialog..." 4.) Select PDF in the 2nd dialog box. 5.) You used to be able to save the PDF at this stage, opening Finder, naming the file, and choose the Save DIR. However, as of this latest update, even after the Finder File Name dialog box, hitting Save at that stage sends it to the printer to print a hard copy.

Pressing PDF, Save as PDF, Open in Preview, and Save as Adobe PDF all send the file directly to the Printer to save it.

I've got tons of receipts and things to save for work in PDF and FF was always great at this. What happened? Is this a feature or a bug? Any and all advice is welcomed.

Running macOS 26.5.1, M2 Pro, macbook pro.

Hi everyone,

Since the Firefox Developer Edition update 152.0beta, saving as a PDF via the print menu no longer works. Although the “Save as PDF” option is available and selected by me, the job is always sent to the laser printer (which is not supposed to print it, of course). This happens on every conceivable website, so the website itself is not the cause. (Platform: macOS Tahoe 26.5.1)

For years, generating PDFs via the print menu has worked flawlessly with FF—now I’m forced to take a detour via Safari, for example—which works correctly in the long run—but isn’t my preferred solution. I don’t think you need different browsers just to use “normal” functions. So who has recently tinkered with this FF feature?

Since I can’t find the relevant setting in the FF preferences—and a “search” on this topic has been unsuccessful—I’d like to know if there’s a solution?

Best regards, HS

I'm using a Mac Mini M2 Pro with Tahoe 26.5. I have two printers, the Samsung laser printer is listed twice but only the fax printer of my Epson ET4850 is listed. I can't find a way either to adda missing printer, or to edit the list. I've reset the printer settings using about:support to no avail.

I use Firefox as my Browser. I have read about and activated, I think, VPN. When I receive emails with Adobe Acrobat documents attached, I cannot print the documents! Guide me to how to print Adobe Acrobat documents received by email, please.

Can't "Save as PDF" on Mac with Firefox Developer since upgrading to OS 26.5 on 5/22/26. It has worked perfectly until yesterday. Previously, just saving to pdf didn't download backgrounds. But clicking on "Print using the system dialog" and then "Save as PDF" would download backgrounds. I have restarted my computer, removed and reinstalled my printer, but "Save as PDF" still isn't saving, only sending to printer. I was just able to "Save as PDF" on another browser. I am hoping I don't have to switch default browsers from Firefox Developer. Others I know are having the same issue using Nightly, but I was not able to find anyone having this issue on the internet.

After last auto upgrade of firefox browser, my print function is dysfunctional. When I try to print a broker data page, 2 "boxes" of options on the page I'm trying to print, become open, with long lists of all possible options, when they only show the one option I am using on the real web page I'm using. This takes up 1/2 of the printed page, and moves the data I'm trying to print down so far that I have to print 2 pages to include it all. This is a change which did not occur when printing before the upgrade. If I switch to a safari browser, this does not happen (but I prefer the firefox browser). Help please.

It would be easier to understand if there was actually a paper size setting, but there isn't. The alternative of changing settings on three different printers to get back to A4 seems ridiculous to me and I don't have 3 printers to circulate among. Why is Mozilla convinced everyone wants Letter size as default? Sorry about the grumps, but there you are.

HI,

I updated recently the Firefox installation on my Mac to 139.0.1. I noticed that I can no longer print from certain websites using Firefox. One example is from Alaskair, where I tried to print a ticket and it was just sitting there trying. I had no problem printing the same with Safari.

Is this a known problem? Any suggestion (other than just give up on Firefox and use Safari) for what to do about this?

Every time I update Firefox, new bugs cause annoying problems. That's why I usually not updating for a long time.

Thanks.

I've seen the other support requests on this from the past. Setting " print.tab_modal.enabled = false " doesn't seem to work now (Firefox for Mac 141.0.3).

Is there any (2025) way to default to "print with system dialog" rather than having to choose the link off of FF's dialog every time? It makes printing to PDF (which is 95% of my "printing" from FF) needlessly tedious.