Separator sheets are empty sheets that are automatically inserted before each new set or job to separate two sets or jobs. In the Settings Editor you can define the media that must be used as separator sheets. You can also specify after how many sets you want to include a separator sheet in the stack. The use of separator sheets can be enabled via the automated workflows in the Settings Editor. However, you can change this setting through the control panel.
You cannot change this setting for the active print job .