<snip>
Scanning a full-size piece of really white paper will often show up the way in which fluorescent tube characteristics affect a scan.
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thanks for this information
much appreciated
<snip>

and if you have a dead scanner (failed logic board/ sensor transport arm but light still working) you can turn your waste of space hunk of plastic & glass in to a perfectly acceptable photographic light table and/or artists tracing table for under $20 :) - link to pictures to follow (when I can be bothered documenting and linking them)

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~
Mark Secker Computer Support Officer
ph# 61-8-6488 1855 (ECEL) <mailto:[EMAIL PROTECTED]>
University of Western Australia - CRICOS Provider No. 00126G
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"It takes an idiot to do cool things.... that's why it's cool"
- Haruhara Haruka (FLCL)

Ubi fumus, ibi fumus

<http://ecel-mark.ecel.uwa.edu.au/~marksecker/index.htm> (sometimes works)