Printing devices

thumb|A 19th-century hectograph advertisement thumb|Unissued stock certificate of the Hektograph Manufacturing Company of New York, 1880s

thumb|right|250px|Illustration of a typical mimeograph machine

thumb|A Riso EZ200

low-cost printing technology common in the 20th century

duplicating process

type of device which was a predecessor of modern document-reproduction technology

digital communication media

print on demand machine

machine used for folding paper

copier

printing technology