(4)
Select operating system type.
(5)
Select "USB" interface (port) type.
(6)
Please turn-off printer and turn-on printer.
* If you can see this dialog, don't worry comment in dialog.
Printer and driver work well. Please click "Continue Anyway" button.
(7)
If "Add new hardware wizard" for install "SAMSUNG SRP-770II" driver pops up,
click "Next" button.