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Photoshop CS4 Does Not Recognize My Scanner

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 Source: http://www.epson.com/cgi-bin/Store/support/supDetail.jsp?cookies=no&oid=28461&infoType=FAQ&foid=128497&prodoid=40524123


Q: Adobe Photoshop CS4 does not recognize my scanner in Mac OS X. What should I do?
A: Adobe Photoshop CS4 no longer automatically installs the TWAIN plug-in it needs to recognize your scanner. Follow these steps to manually install the TWAIN plug-in:

  • Quit Photoshop CS4.
  • Insert the CS4 installation disc.
  • Browse to the Goodies > Optional Plug-Ins > Import-Export folder.
  • Copy the TWAIN plug-in file to the Adobe Photoshop CS4 > Plug-ins > Import-Export folder on your hard disk.
  • Restart Photoshop to enable the plug-in.

If you can’t find the TWAIN plug-in file on the Photoshop CS4 DVD, you can download it from here: http://kb2.adobe.com/cps/404/kb404900.html#h1

Note: If you encounter any of the following problems when using the TWAIN plug-in with Photoshop CS4 on an Intel-based Mac, please contact Adobe Systems Inc. for further support (see Adobe Knowledgebase ID# kb404900):

  • Photoshop or Epson Scan freezes or quits unexpectedly.
  • You are unable to close the Epson Scan window.
  • You see errors during the import.
  • The preview of the imported image, or the imported images itself, appears incorrect on the screen.
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