After doing a clean install of Ubuntu 18.04 in May 2018 and installing HPLIP software to be able to print on my Hewlet Packard LaserJet Pro MFP M125nw printer, printing worked correctly. Then it got broken by causes unknown to me in June and I had to fix it. This, however, didn’t go without complications.
Command line processing of multipage book-type scanned documents with ImageMagick.
Always can’t remember exactly how to pack some files into that damn tar.gz or something? With this cheat sheet, you’ll never have to google it again!