Kyocera KM-C1530 - Manual (Page 77)

Original Documents 4
KM-C1530 4-5
3 Press the [Start] key to start feeding
and copying the documents from the
top page.
Multi-Sheet Feeding (Documents of Mixed Sizes)
With this feature, a stack of documents of different sizes can be copied as
a set using the duplexing document feeder. (For more details, refer to
“Feeding Documents of Different Sizes (“Mixed Orig Detection” Function)”
on page 6-17.)