Having problems with HP SW I decided to try SF AI demo 188.8.131.52.
I understand there is no HW IR dust and scratch removal in that SF version but it is stated the 6 colors scanning is supported.
I see  button on the SF pannel. It changes the color then I press it.
I make few negative scans with this optoion and I was little bit surprised.
First of all, I do not see any differences in two scans - one with gray  and onother with colored . I assume the gray  is 6 colors turned Off and the colored  is for 6 colors turned on.
Ok, it may be the difference is not so significant to be easily seen from two scan. I can understand that.
On the other hand, the HP software makes 2 passes if the option is turned On. It could be detected by the scanning lamp movement.
As far as I understand, the scanner has two lamps with shifted spectrum profiles and the 6 colors scanning is combination of the two passes - each pass with own lamp. Furtermore, the 6 colors with IR dust removal is 3 passes.
For SF I see only one pass for gray  and colored . There is no the second pass as it was expected.
So I can imagine the 6 colors in SF is supported differently from HP software. If it is so I would like to know the main principles of the 6 colors support in SilverFast Ai 6.6.
Does anybody have this information?
flatbed scanners for HP
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