Model: Perfection 4990 PHOTO, Perfection 4990 PRO
Operating System: Mac OS (Note: might work with other versions of this os.)
OS: Macintosh OS X (v10.2.8 or later), Intel-based Macs with OS X (v10.4.4 or later)
This file contains the Epson Perfection 4990 Series EPSON Scan Utility and TWAIN Universal Binary Driver v3.02A.
Double-click this file to create an "epson11993_twain_driver_and_epson_scan_utility_302a" disk image on your desktop.
Open the disk image.
Double-click the "EPSON Scan Installer" icon to begin the installation.