Mary: Let's say you have a document that's several pages long, the multi-sheet feeder will feed the pages one at a time.

玛丽：假如您要复印的文件有好几页长，“多页复印”可以一次性将复印的资料承载下来。

youdao

This is a 20 page automatic document feeder that came in handy well when I had to scan a large legal document.

FORBES: Small and Affordable Brother Multifunction Device Prints 11 x 17-inch pages