Quote Originally Posted by JohnRichard View Post
So you already made a contact print using the 16x20 paper.

If density varies, its either the light source, or the emulsion on the paper.

What is your light source? All things being equal? No?
Light source is a Beseler 45MXT total exposure was equal for all the prints.
It took me about 11 solid hours to print the nine contact sheets, so I'm guessing the difference in print density is due to chemistry. I had to remake the developer after a few hours.