Firefox, an eBay postage label and a fuzzy printout

I recently sold something on eBay UK. The buyer was in the Channel Islands. And apparently that means you need to affix a customs declaration to the parcel. Handily, eBay provide a customs declaration label for you. And so I wanted to print that out (along with the postage label).1 Until recently, I had been using the free version of Adobe Acrobat to do this. That was simply as I trusted it to print labels and barcodes properly (which includes being able to print at the original scale – that is without scaling the document to fit within the printer margins). But Adobe Acrobat was increasingly becoming unbearable to use. (I’m sure many would say it’s been like that for aeons, but I’d mostly put up with it until now.) That includes terrible scrolling, generally being slow, and random panels popping up or reappearing and getting in my way. And to top it off, commenter Andrew B mentioned on the post The Windows 11 installation that was eating my disk space that Adobe Acrobat has a habit…