How to make faint text reappear on old printed receipts?

Question

I need to read them for tax records! These faded cash register receipts are 5 years old. They are black text on glossy paper or blue ink on regular paper.

Answer 1

no way!!!!!!!!!!!

Answer 2

Take an iron and gradually increase the heat until the print darkens but the paper does not scorch.

Answer 3

Try making a photocopy and setting the copier to print the darkest possible copy of the receipt.