making press profile

i am doing my engg in printing tech. final year… if i am going to print IT8 7/3 test chat for making press profile , can i place solid strip in my leading edge, will it cause problem… and then do u have knowledge on GCR

I can’t speak to your first question, but concerning GCR:

We have a good article on black generation in a back issue of our ColorNews newsletter. You can look it up here: