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I’m frustrated

Photoshop: Twain support in 64 bit

We are becoming increasingly frustrated at the failure of Adobe to provide Twain (scanner) support for 64bit Photoshop, or to provide any schedule for this to be implemented, or even apology for the omission It is ridiculous that customers are forced to open a separate software to scan into Photoshop.
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  • Jeffrey Tranberry (Chief Customer Advocate) May 20, 2011 14:22
    Adrian, are you referring to Windows or Mac?
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  • Shouldn’t this be directed at the scanner manufacturer who hasn’t updated their TWAIN drivers to 64-bit?
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  • Jeffrey Tranberry (Chief Customer Advocate) May 20, 2011 21:37
    Andrew,

    I know you're a Mac guy, so on the Mac side, yes. On the Windows side, TWAIN isn't supported at all in 64-bit as things are moving towards WIA which is less flaky than TWAIN.

    Here's our knowledge base document on TWAIN:

    TWAIN plug-in | Photoshop CS4, CS5: http://adobe.ly/PS-TWAIN

    Personally, I do all my scanning in the background with the stand-alone scanner software. All TWAIN really does is call that software, so there’s no quality difference, plus you’re not locking Photoshop up (a $700) just to doing scanning (that the free software that came with the software is fully capable of). That way you can retouch and edit images in Photoshop while you scan in the background – which I find is far more efficient.
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  • I kind of figured on Windows there’s no support at all so I’m not sure complaining to Adobe will help (is there anything you could do anyway?).
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  • Chris Cox (Sr. Computer Scientist) May 21, 2011 04:27
    We can't do anything about TWAIN 64 bit support on Windows until Microsoft or a scanner maker makes the TWAIN DSM 64 bit and provides a working driver to test against.
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  • Subject: PS CS4 64bit-Windows 7-Twain Import:
    Gary Brannan
    GCBrannan@comcast.net
    ---> I recently read the following on a blog, & wondered if it was true, but I couldn't find the Twain plugin they refer to. If such a plugin exits, please tell me how to obtain it, as I'm really dependent on the Twain Import capability I had on an earlier version of Photoshop:
    My scanner: CanoScan 8600F
    ------------------------------------------------------------------------------------------------
    Blog Entry: CS4 Scanning Fix!!! - TWAIN Scanner's Don't show Up!
    ________________________________________
    Ok, so I have a CanoScan LiDE80 and LiDE100.

    When I got CS4, and installed it, neither of those would show up under the File>Import menu. Normally they'd be there, you'd click them, and it launches the scangear app within photoshop.

    Basically they were MIA.
    I found a folder on the installation DVD called "Goodies"
    In there is a folder called Optional "Plug-Ins"
    In there is a folder called "Import-Export"

    What is the ONE file in that folder??? TWAIN.plugin

    Put that into Adobe Photoshop CS4/Plug-ins/Import-Export and you are golden. This should work for any TWAIN-based scanner. I can NOT believe Adobe didn't include this in the basic install of Photoshop, as it's been there at least since CS, probably since before that, and MOST scanners are still using TWAIN.

    I hope this helps someone!

    This reply was created from a merged topic originally titled
    Photoshop CS4 (64) -- Twain Import plugin.
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  • Thanks Chris --

    I would be happy to use WIA, & do for most tasks, but the problem with it is that the max resolution I can dial up is 600 dpi, while the CanoScan 8600F goes up to 4800x9600.

    Since Adobe's products are so prominent, I hope someone comes up with a STANDARD, universal driver, because when a product used by many thousands of customers loses a certain capability, the multiple that's applicable to productivity loss can be incredible.

    ...Gary
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  • I think the question is why doesn't Canon create a WIA interface just like their ScanGear TWAIN interface.
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