noun
page reader
Computing term for a device that reads printed pages, such as a document scanner or optical page reader.
このページ読取り装置は、毎分100ページを処理できます。
This page reader can process 100 pages per minute.
スキャナー is the common loanword for a scanner, while ページ読取り装置 is a more technical, descriptive compound.
Compound of ページ (page), 読取り (reading), and 装置 (device).