Originally Posted by
rans6andrew
ps I obviously have the Gimp editor on my Mint machine(s) which is a very capable editor, I might not live long enough to learn to use it to do what we want. Seems to be totally OTT for the job we have in hand.
Using GIMP to edit the 'Levels' on a scanned document is easy and can dramatically improve scanned documents by making the paper appear whiter.
Colors / Levels on the top menu and play with the 3 sliders on the histogram.
Then export to pdf.
Phones and iPads can make very good document copies, but only if you can sort out the lighting, which is much harder than it sounds. Uneven lighting and shadows which seem invisible to the naked eye become very obvious in a scan.