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Does Catalina drops support TWAIN?

When we upgrade OS to Catalina, We can't use TWAIN Scanner. Does Catalina drops support TWAIN?

Posted on Oct 31, 2019 12:07 AM

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6 replies

Nov 1, 2019 12:08 PM in response to VikingOSX

I found this document: https://www.apple.com/au/main/device_includes/scanners.html


It looks like Apple dumped TWAIN in 10.3, circa 2003. As is typical with anything involving 3rd party hardware, TWAIN hung on via proprietary and legacy drivers. Generally, to use TWAIN you would have to install and use the software that came with the printer. You would be lucky if that was even PPC. Any modern drivers used the ICA (Image Capture Architecture).

Does Catalina drops support TWAIN?

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