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#1 Posted : Tuesday, March 14, 2006 5:37:13 AM(UTC)

Groups: Registered
Posts: 32

We use Imaging Pro v14  w/ C++. We have a user(s) with Microtek scanners that have the following problem, HP Scanners seem to work fine.

When any of our apps require the scanning operation we start the twain operation, the scanner completes the preview, when the user selects scan the system locks up. Using another one of our apps the user gets an error message (MircoTek hardware message) error 3 - Scanner hardware error.

This same setup works fine with out prevoius version of software and using Imaging Pro v11

Any ideas? I read somewhere else that for v14 the Twain interface MUST be using the 1.9 Specification. If so how would the user check this?

Thanks in advance

Tony Teveris



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#2 Posted : Wednesday, March 15, 2006 7:14:59 AM(UTC)


Groups: Manager, Tech Support
Posts: 367

I suggest testing the scanner with a utility from the TWAIN working group called Twacker.

It enables you to select a Twain device and perform many functions,
including scanning. Please try it if you haven't done so already to
find out if the problem is specific to LEADTOOLS or not. If you don't have it, you can get it from:

If Twacker doesn't work, I recommend reporting the problem to the
scanner's vendor. If it does work with Twacker but not with LEADTOOLS, please let me know.

Amin Dodin

Senior Support Engineer
LEAD Technologies, Inc.
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