I am not sure if the scan resolution does have so much effect on file size with text-only documents. (It should have some effect, though.) Can you try to scan a colorful photo where the change in file size should be more dramatic to confirm that it is not the problem?
I am not sure if the scan resolution does have so much effect on file size with text-only documents. (It should have some effect, though.) Can you try to scan a colorful photo where the change in file size should be more dramatic to confirm that it is not the problem?