Thanks for uploading the PDF. I’ve inspected it and confirmed this is an Objo bug. Objo is compressing each printed page far too aggressively when it creates the PDF, damaging the text before it reaches the printer. That explains why the saved PDF and paper output look similarly fuzzy.
I’ve logged the bug and identified the setting that needs fixing. You don’t need to change your printer, PDF viewer, or VM settings. I’ll update this thread when the fix is available.
https://feedback.objo.dev/bug/1626