a photoshop problem

hi everyone.

I have a small problem with photoshop - i mean its a big prob for me but should not be much for people who know.

there are a few very faded pages of printed paper which are very important. the printed writing in the pages have become a bit "erased" and/or faded.

i tried photocopying with max darkness setting - didnt work.

So i scanned it and want to photoshop it to a desirable level of darkness - not the page, but the printed writting in it. so that when i print it out the writing is more prominent now.
Could anyone tell me what changes/operations i need to make in photoshop?

thanks a lot