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 Scanning OKI MFC873 monocrome <300dpi abort

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T O P I C    R E V I E W
Ralf Posted - Feb 28 2017 : 04:57:00
Hi,
i tried scanning with our OKI MFC873.

The problem seems to me only while scanning monochrome. When i try to scan with the AllAcquire-Demo i can't do a monochrome Scan when the dpi is <300. I enabled Feeder and Auto-Feed and disabled "Show Acquisition Dialog". Sometimes the application freeze or an Access Violation is shown.

When i scan Full color DPI <300 works.

Have anybody a idear what the reason can be? May be it is an error in the twain-driver from OKI. When we try scanning Monochrome 150 DPI with the OKI-Scansoftware delivered with the MFC it works.

Thanks
Ralf
5   L A T E S T    R E P L I E S    (Newest First)
Ralf Posted - Mar 29 2017 : 01:54:33
Hi Nigel,
it's teh same. TwainDemo also have a Access Violation.
Yesterday i send you per email a log of the Multi.exe.
The new logging from today i send you also as Email.
Best regards
Ralf
xequte Posted - Mar 29 2017 : 00:51:42
Hi Ralf,

It is:

\Demos\ImageAcquisition\Twain\TwainDemo.dpr

Nigel
Xequte Software
www.xequte.com
nigel@xequte.com
Ralf Posted - Mar 27 2017 : 05:34:07
Hi Nigel,

witch is the Exact Name of the Twain scanning app. Where do i find it?

Regards

Ralf
xequte Posted - Mar 27 2017 : 05:15:07
Hi Ralf

Are you using Twain or WIA? If Twain, try using the Twain scanning app and see if you get the same result. If so, you can enable logging to generate a log file.



Nigel
Xequte Software
www.xequte.com
nigel@xequte.com
Ralf Posted - Mar 27 2017 : 02:26:12
Hi Nigel,
have you any idear why this happen?
Best Regards
Ralf