Oki C5600 - Page Setup Options - Custom Paper Size; Print Options - General

Printer settings in Mac> 31
P AGE S ETUP O PTIONS - C USTOM P APER S IZE
You can create and edit custom paper sizes. These appear in the
paper size menu and can be selected just like any other paper
size.
P RINT O PTIONS - G ENERAL
Copies
Enter the number of copies to print.
If Collate is selected, all the pages of the document print before
the next copy prints.