Ricoh FT3813, FT4615, FT4618 Operating Instructions Manual page 50

Or, set the original in the oprional
document feeder.
20 or 22.
3
Make sure that the Paper Size
indicator is lit, if not, press the
Select Paper Tray key.
4
Press the Start key.
MAKING TWO-SHEETS COPIES FROM BOOK ORIGINALS (SERIES COPIES)
see pages
KF2Jr-AE-6
37