One of the more recurring issues is slow printing of PDF files in Adobe Acrobat. While Acrobat itself works smoothly, printing sometimes comes to a complete halt, taking up to 10 minutes (or even more) per page to print. The more complex the PDF document becomes, the more apparent the problem becomes.

By default, Adobe prints to your printer using PS commands, which then get converted by the printer driver to a language your printer understands (PCL, PS, HPZL, HPGL, ...). More complex PDF documents, i.e. PDF's with lots of objects, a lot of embedded fonts, damaged images, etc., generate more and more complex commands, resulting in spooler files that are a multiple of the original document,   ...