CanoScan G2400 Unable to select TWAIN source

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selmi - Updated on Sep 5, 2017 at 05:58 AM
Ambucias Posts 47357 Registration date Monday February 1, 2010 Status Moderator Last seen February 15, 2023 - Sep 5, 2017 at 04:25 PM

Hello,
I am the owner of a Canon CanoScan G2400 and I am trying to scan documents onto a Windows 7 computer. I downloaded the TWAIN driver, which the scanner said I was missing, required to install the CanoScan toolbox. When I try to scan documents, though, it shows the error "Unable to select TWAIN source".What can do?

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2 responses

Answer 1 / 2

Ambucias Posts 47357 Registration date Monday February 1, 2010 Status Moderator Last seen February 15, 2023 11,182
Sep 5, 2017 at 06:03 AM

Hello

I don't think that you have not installed to proper driver.

I suggest you replace the current driver with the proper driver for Windows 7 (32 or 64 bit).

You can get it from the Canon site:

https://drivers-canon.net/

selmi
Sep 5, 2017 at 07:15 AM

hello,
thank u for answer me,
no i install the twain application on my pc,
and when i have the cd of the installation of the scanner i install all the tools that supported by the scanner canon G2400 even the twain protocole,
but when i try to scann the msg error said: no source of twain is there

Answer 2 / 2

Ambucias Posts 47357 Registration date Monday February 1, 2010 Status Moderator Last seen February 15, 2023 11,182
Sep 5, 2017 at 04:25 PM

You don't need twain just the canon driver. Remove twain.

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