Konica Minolta DI3510 - Manual (Page 129)

Utility Mode Operations
7
Di2510/Di3010/Di3510 7-13
❍ : Special paper
Selecting this mode will mean that when using auto paper
selection, this will not be included in auto tray change. When using
colored paper for cover pages or interleaves, selecting this setting
reduces operating errors.
5
Touch [END] to return to the Utility screen, and then touch [Exit] to
return to the Basics screen.