Toshiba MULTIFUNCTIONAL DIGITAL COLOR SYSTEMS 6520C - Manual (Page 90)

3 BASIC COPY MODES
88 Duplex Copying
4 Select the book copying type.
Example: If pages 2 to 6 of a book which opens to the left are to be copied, select [LEFT -> LEFT].
5 Press the drawer button corresponding to the desired paper size.
Only A4, B5 and LT sizes are applicable.
6 Select other copy modes as required.
If the copy needs a binding space, select the book margin mode on the EDIT menu.
P.99 “Creating bookbinding margin”
2 3 6 7