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Question

Disabling TWAIN

Scanning
Updated September 29, 2014
asked on September 23, 2014

I was wondering if it was possible (or could be possible in the future) to disable the TWAIN selection in Laserfiche Scanning. We would still want the Scan Connect and universal capture selections but would not want the user to try to use a TWAIN driver with some of the scanners out there.

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replied on September 23, 2014 • Show version history

Universal Capture, TWAIN and WIA scan engine are always present in LFScanning. ScanConnect and Kofax are the only ones that are conditionally loaded.

That said, you can hide TWAIN for all users on the machine by modifying LFScanProcesses.xml in C:\ProgramData\Laserfiche\Laserfiche Scanning.

<Engines>
    <Engine  Rank="1" Visible="True" Type="Laserfiche.BatchProcessor.Processes.Proxies.UniversalCaptureProxy, Laserfiche.BatchProcessor.Processes, Version=8.0.1.0, Culture=neutral, PublicKeyToken=35de22b2ae3b724a" />
    <Engine  Rank="2" Visible="True" Type="Laserfiche.BatchProcessor.Processes.Proxies.TWAINProxy, Laserfiche.BatchProcessor.Processes, Version=8.0.1.0, Culture=neutral, PublicKeyToken=35de22b2ae3b724a" />
    <Engine  Rank="3" Visible="True" Type="Laserfiche.BatchProcessor.Processes.Proxies.ScanConnectProxy, Laserfiche.BatchProcessor.Processes, Version=8.0.1.0, Culture=neutral, PublicKeyToken=35de22b2ae3b724a" />
    <Engine  Rank="4" Visible="True" Type="Laserfiche.BatchProcessor.Processes.Proxies.KofaxProxy, Laserfiche.BatchProcessor.Processes, Version=8.0.1.0, Culture=neutral, PublicKeyToken=35de22b2ae3b724a" />
  </Engines>

Remove the line that says TWAIN and update the ranks for the other to scan engines so the numbers are consecutive. If you want to restore the default setup, just delete the file. Laserfiche Scanning will recreate it next time it launches.

Note that this is an unsupported configuration and the file may be reverted to its default during future upgrades.

 

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replied on September 23, 2014

If you remove TWAIN driver from the machine, I do not believe it would appear anymore

1 5
replied on September 29, 2014

Hi Shane, 

If your question has been answered, please let us know by clicking the "This answered my question" button on the response.

If you still need assistance with this matter, just update this thread. Thanks!

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