[sane-devel] Plustek PT12: intermittent process of scanning and broken image at >150dpi

[Maciej]

Hi

I have Plustek PT12 connected to PC through parallel port (set in bios to
EPP)
Problem is that process of scanning is several times stopped for ~2sec and
then continued until its come to an end producing good image or image with
horizontal distorted lines at resolutions above 150dpi.
Number of this stops depends on the resolution, eg at 75dpi - 3 stops;
300dpi - 6 stops.
This problem exist since I remember using scanner in Linux for couple
years(different versions of Ubuntu, OpenSuse and Gentoo).
At Windows this doesn't exist.

Maciej
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