Thanks to all who sent me suggestions on how to improve scanning.
I opted to try VueScan software, which so far (12 hours into my experiment) is working well with both generations of my Canon LIDE scanners (30 and 90).
William E. Bemis
Kingsbury Director of Shoals Marine Laboratory
Professor of Ecology and Evolutionary Biology
Ithaca, NY 14853
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SML Portsmouth Office
400 Little Harbor Road
Portsmouth, NH 03801
The website for Shoals Marine Lab is: http://www.sml.cornell.edu/
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