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Uninstalling Your Scanning SoftwareYou may need to uninstall and then reinstall your scanner software to solve certain problems or if you upgrade your operating system. 
For Windows
 Note: 
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For Windows 7 and Vista, you need an administrator account and password if you log on as a standard user. For Windows XP, you must log on to a Computer Administrator account. |  
|  | Unplug the USB cable from your computer. |  
|  | Do one of the following. |  
Windows 7 and Vista: Click the start button and select Control Panel. 
Windows XP: Click Start and select Control Panel. 
|  | Do one of the following. |  
Windows 7 and Vista: Click Uninstall a program from the Programs category. 
Windows XP: Double-click the Add or Remove Programs icon. 
|  | Select the software you want to uninstall such as EPSON Scan, your scanner’s Manual, and the application from the list displayed. |  
|  | Do one of the following. |  
Windows 7: Click Uninstall/Change. 
Windows Vista: Click Uninstall/Change, and then click Continue in the User Account Control window. 
Windows XP: Click Change/Remove. 
|  | When the confirmation window appears, click Yes. |  
|  | Follow the on-screen instructions. |  
In some cases, a message may appear to prompt you to restart your computer. If so, make sure I want to restart my computer now is selected and click Finish. 
For Mac OS X
 Note: 
| To uninstall applications you must log on to a Computer Administrator account. You cannot uninstall programs if you log on as a Limited account user. |  Double-click the Applications folder in your Mac OS X hard drive, select the application you want to uninstall, and then drag it to the Trash icon. |