printing press vs printseller

printing press

noun
  • Synonym of printing house, an institutional or commercial publisher. 

  • A mechanical device used for printing text or images repeatedly. 

printseller

noun
  • Synonym of printshop, a place that sells prints. 

  • A person who sells prints. 

How often have the words printing press and printseller occurred in a corpus of books? (source: Google Ngram Viewer )