Imaging WorkShop users will need to download and install the Adobe RGB ICC Profile.
For Macintosh OS X 10.4.x, this file is already installed, but for Windows, installation may be required.
If after installing Imaging WorkShop, there is a message about missing Adobe RGB (1998), do one of the following.
Install it from the Epson Printer driver CD
  The Epson Printer driver CD that supports Imaging WorkShop has the Adobe RGB (1998) installer. Insert the CD and select Adobe RGB (1998) to install it.
Download the file from the Adobe website (or download it from a secondary distribution agreement website) and install it.
 
Step 1. Click Download Download at the bottom of this page.
Step 2. Please read the End User License Agreement from Adobe (EULA). It appears in a separate window.
Step 3. Click [I Agree] on the lower side of the window to accept the EULA. The system will start downloading the file after you specify a location (e.g., desktop) for it.
Step 4. Unzip the downloaded file.
Step 5. After unzipping the file, copy the file listed below from \RGB profiles\ to the location labeled 'Copy to:'.
  File Name: AdobeRGB1998.icc
Copy to: C:\WINDOWS\system32\spool\drivers\color
 
Platform File Size Download
Adobe ICC Profile- ICC Profile for Windows 3.8 MB Download Download