![]() ![]() The only difference between the TWAIN interface and launching the app directly is that when I launch the app directly, scans are saved to files, but when I launch the app via TWAIN, scans are sent to the calling application (Photoshop Elements) and no files are created.Īt this point, it should be obvious why a scanner that only has a TWAIN driver really can’t be converted to ICA - because the Image Capture application (or some other app using the Image Capture APIs) is expecting to directly control the scanner, not launch a third party scanner application. When I select one, the associated application is launched. When I choose to scan from Photoshop Elements, the TWAIN import mechanism reports the TWAIN-compatible applications (e.g. It supports TWAIN and one of my installed scanner applications (EpsonScan) includes a TWAIN driver. I think this is best explained through an example. It’s a software interface, not a device driver interface. ICA is a proper device driver system to allow a common API to be used for accessing a wide variety of scanners. TWAIN and ICA are two completely different beasts, event at a conceptual level. Maybe what they meant is that ScanSnap Home software doesn’t have a TWAIN driver? If so, that’s sad to hear that there’s yet another feature omission vs. I am not sure how that is relevant since the function worked when I was running Mojave. The support people told me the function didn’t work because the S1300i doesn’t have a TWAIN (whatever that means). I wonder if that implies that it would accomplish what you want? But as I mentioned in the article, ExactScan Pro did offer to install a TWAIN Bridge. Very interesting! I don’t have PDF Pen, or I’d try it out for you. Now I am wondering if ExactScan will bring back that capability ? It works, but I miss the convenience of scanning directly into PDF Pen. I can scan using the new ScanSnap Home software. It would automatically use the ScanSnap Manager software to complete the scan, which would show up in PDF Pen with no other intervention on my part.Īfter the upgrade I can no longer initiate scans within PDF Pen. Prior to the Catalina upgrade I was able to initiate scans from within PDF Pen Pro 10. ![]()
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