SF SE v6.5.5r2 black and gray areas on final scan

[cec]

I'm using SF SE v6.5.5r2 under Windows XP with a Plustek Optic film 7200i.
My final scans have got some black and grays areas always at the same place of the picture. Please see on the attached document.

[LSI_Ketelhohn]

Dear cec,

This issue is difficult to solve in the forum could you please contact us through our support system:
<http://www.silverfast.com/problemreport/en.html?filter=assistant>

We require some personal information to be abel to solve this.

kind regards
Arne Ketelhohn.