printer vs printing machine

printer and printing machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
printer	Yes	No	No	No
printing machine	Yes	No	No	No

As nouns, printer and printing machine are synonyms defined as:

As nouns, printing machine is a hypernym of printer; that is, printing machine is a word with a broader meaning than printer:

printer: (computer science) an output device that prints the results of data processing
printing machine: a machine that prints

Other hypernyms of printer include computer peripheral, peripheral, peripheral device, printer.

printer (noun)	printing machine (noun)
a machine that prints	a machine that prints
(computer science) an output device that prints the results of data processing
someone whose occupation is printing