there is a new patch for the umax-backend that removes a bug in the gray gamma
data conversion.
The bug made a bad gamma table in grayscale mode for all scanners, although it
was visible very much
only with 10/12 bit scanners (Atsra 1200S and Astra 1220S).
You can download the patch form my homepage:
http://www.wolfsburg.de/~rauch
Bye
Oliver
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