What happens if the customer doesn't like a printed reproduction, even certified? Maybe it's too flat, too hot, too cold, and so on?
How many times the customer seeing a printed job result says: "Yes, this is what we wanted, but ...". Another legitimate question is: "What is the purpose of a high-quality printout?"
The goal of the system described in this article is to obtain quality prints, so that the customer agrees and says, "It's nice, I like it, I buy it (therefore I pay for it). "