I just upgraded to 19.04. I have a Brother laser printer that I've used for quite a while with 14.04 with no problems. I reinstalled the drivers, and have been using the printer in 19.04, also without problems, to print .odt, .docx, and .pdf files.
This morning I tried to print a specific pdf. Nothing seems amiss when I click print, but the file did not print. I tried other pdfs, and they work fine. I tried another pdf reader (Okular instead of Evince) and that same file will not print from Okular either. Same if I open it in Firefox.
It's not the end of the world if I can't print this one pdf on this machine, but I am very curious about what could be causing this. Any tips on how to troubleshoot, or what might cause a single pdf to not print?