From Longman Dictionary of Contemporary Englishprinting pressˈprinting press (also printing machine) noun [countable] 
TCNa machine that prints newspapers, books etc SYN press
TCNa machine that prints newspapers, books etc SYN pressExamples from the Corpus
printing press• Pupils learn about how a printing press works.• But what if the employee of a printing press that prints the forthcoming publicity documents buys Superman stock before the public announcement?• Rotary press a web or reel fed printing press which uses a curved printing plate mounted on the plate cylinder.• The documents travel from printing press to wastepaper basket in one uninterrupted motion.• Television and its congeners have begun to reverse the process that started with the invention of the printing press.• The printing press was still quite new, and Foxe understood the propaganda value of books in an age hungry for print. 