Kyocera KM-C1530 - Manual (Page 119)

Advanced Operations 6
KM-C1530 6-7
11 In the Book Erase screen, touch [Enter].
? Has the document size already been specified using a setting on
another screen?
➜ Even if the document size has already been specified using a
setting on another screen, the size set here determines the
document size setting.
12 In the Book screen, touch [Enter].
13 Specify any other necessary settings.
14 Using the keypad, enter the number of copies you wish to make, and
then press the [Start] key.