page-at-a-time printer vs page printer

page-at-a-time printer and page printer both are nouns.

Word	Noun	Adjective	Verb	Adverb
page-at-a-time printer	Yes	No	No	No
page printer	Yes	No	No	No

As nouns, page-at-a-time printer and page printer are synonyms defined as:

page-at-a-time printer and page printer: a printer that prints one page at a time

page-at-a-time printer (noun)	page printer (noun)
a printer that prints one page at a time	a printer that prints one page at a time