Answer #1: Very careful ironing at a low
heat can help. Photocopiers can work too, especially the older ones with very
bright lamps. -- Dave Klystron Comment
Answer #2: Pressing between sheets of glass for days or weeks can help, Mr Klystron's idea works well in documents that can be fed thru a copier and one can of course get the document scanned at very high definition by a specialist to produce a new looking document. -- Albert Morrison -Master Printer Comment