noun
A duplicating machine that uses a stencil; now largely obsolete, replaced by photocopiers and printers.
昔、学校のプリントは謄写版で印刷されていた。
In the past, school handouts were printed using a mimeograph.
コピー機 is a modern photocopier, which has largely replaced the mimeograph.
謄写 means 'copying by hand' or 'transcription', and 版 means 'printing plate' or 'edition'. The term refers to a stencil-based duplicating technology.