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Question: OS Mojave cannot see Canoscan 8400f

iMac: MacOS 10.14 3Ghz Intel Core i5

Scanner: Canon Canoscan 8500f. The Image Capture app does not show the scanner does not show this in the device windows. Yet, using the Canoscan Toolbox X, all functions work correctly except the physical pushburttons on the device. I want to use this with ABBYY FInereader pro, but it also does not see the scanner. Canon states that there is "no driver" for this configuration.

iMac, macOS High Sierra (10.13.5), Macbook Air, macOS High Sierra

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Nov 23, 2018 3:41 PM in response to MacUserRWB In response to MacUserRWB

The “no driver” from Canon is telling you that this old scanner is no longer supported by Canon, as they have moved on after ten years. Hamrick's 32-bit VueScan (non-subscription purchase) will drive this scanner for flatbed scans, but not transparency scans which require Canon 32-bit drivers. If you want to continue using this scanner, hook it up to Windows and Canon drivers are probably still available.

Nov 23, 2018 3:41 PM

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Nov 23, 2018 3:47 PM in response to MacUserRWB In response to MacUserRWB

The drivers for that scanner (and my 8600F) are not compatible with High Sierra and following systems. However, there is a 3rd party scanner driver app, VueScan, that will recognize the scanner and run it very well.


You will need to use the 32 bit version. There's a demo version available to try to see if you like it. The demo version puts a watermark on all scans and will not work with the systems after Mojave (it works with Mojave). The scanner must be turned on before VueScan in launched.


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Nov 23, 2018 3:47 PM

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Question: OS Mojave cannot see Canoscan 8400f