BIXOLON SRP-770II User Manual page 12

(5) Select interface (port) type.
(6) Please click "Continue Anyway".
* If you can see this dialog, don't worry comment of dialog. Printer and
driver works well. Please click "Continue Anyway" button.
(7) Please reboot computer.
13.2.2 USB interface
A. Windows 95/98/ME
(1) Double click "SRP-770II_V3.X.X.exe" file.
(2) Click "Next" Button.