Cause 3: The downloaded upgrade software is not for your i9900/i9950. Solution: Download the applicable upgrade software file( s ), and perform the procedures from the beginning again. Check the items displayed in the following dialog box, and click 'Start':
First-time Setup for Use over a Wired LAN - Macintosh 3. Turn on the Mac. 4. Place the Setup Software & User? s Guide CD-ROM in the CD-ROM drive. 5. Double-click the Mac OS X folder, then double-click the Printer Driver folder.
If setup does not automatically locate installation files and the below message appears, open Device Manager and update the device driver( s ) by browsing to C:\Windows folder.