The only thing that I have found that "helps" (though not perfect) is to scan the document, then use the "photo negative" function in a graphics program - to make your white background black and the writing white. (reverse of normal)
Many times things that I could not read - become readable this way.
When there is "bleed" - I take the document to work - we have a copier that does "photo" mode - which tends to "erase" some of the background. Sometimes just lightening the document and then recopy the lightened document in a darker setting will also "erase" some of the background "bleed through". The second step of recopy in a darkening mode brings it back to a readable state again.
Hope this helps! If anyone has some better ideas, methods, etc - would be glad to hear them myself!
Beverly
Casper, WY
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