c. 1500, "person who prints books, etc.," agent noun from print (v.). As a mechanical device from 1859, originally in telegraphy. In the computer sense, from 1946. Printer's bible (c. 1702) so called from mistaken substitution of printers for princes in Psalms cxix.161, which led to the misreading:
Printers have persecuted me without a cause.