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Scans only 1 page as Power User

Support for GdTwain ActiveX and GdTwain Pro ActiveX/SDK.

Scans only 1 page as Power User

Postby drose » Thu Nov 06, 2008 8:22 pm

Hi,

Trying to scan multiple pages though an HP v40 as a power user only scans a single page.
However, as an administrator it scans all the pages. When I open the SelectScanner method, it lists the WIA driver only for the v40. I understand that the WIA driver behavior is beyond the control of this package, but is there any reason why it would work one way for a power user and another as administrator?
I would expect it to work the same way no matter what rights the user had, so long as they could scan at all. I am using the standard sample script for scanning multiple pages from the documentation.

Thanks.
drose
 
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Re: Scans only 1 page as Power User

Postby Loïc » Thu Nov 06, 2008 8:39 pm

Hi,

Unfortunately I can't help you a lot on this issue. It is probably a problem related to your WIA driver. The job of GdTwain is to make the bridge between you & your TWAIN driver.

I can only suggest you to check if you can get a TWAIN driver for your scanner. Also, try to catch the returned values of the methods you are using in order to see the differences between the power user mode & the Administrator mode behaviour.

Best regards,

Loïc
Loïc Carrère, support team.
www.orpalis.com
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Loïc
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