Gutenberg had filled someone else's order first, but with the payment of more money he made some promises.
Those two were intensely involved in the issue of modern printing and spreading God's Word as cheaply and as far out into society as was possible.
BTW, Gutenberg had kind of fallen behind because he had a contract to print ready made indulgences ~ and that was hurting the copyists. This turned out to be a high risk business that penetrated into every nook and cranny of the European world of thought and letters ~ these guys were wild eyed revolutionaries. Think of Luther as a guy trying to hold back the future some time ~ good mind exercise.
Carvajal's assistant was later made Pope.
Carvajal also stopped schism in the Spanish church ~ Filippe had wanted to restrict mission work in the Americas to, I believe, the Jesuits. Carvajal wanted it opened up to ALL the orders and brotherhoods. By threatening schism, which would place Spain in the same boat as then France, and turn Carvajal into a Protestant of possibly a higher rank than later church officials (e.g. Luther, Calvin, etc.) Filippe relented as did the Cardinal.
I believe it was Carvajal's uncle who was executed in Peru for defying the authority of a new governor sent out from Spain. He also refused last rights rather giving a whole lot of folks the idea that he, like Pizarro and many other Conquistedores were, in fact, Protestants of some sort.
Guess they were, but Carvajal beat Henry IV to the punch in the 'Paris is worth a mass' ~ he gave America intrinsic worth beyond gold by stepping back from the brink.
Thanks to Carvajal's payments to Gutenberg, he and others were enabled to pursue this new industrial printing press and make it possible for even more folks to come up with their own personal interpretations off scripture.
Now, tell me Cardinal Carvajal and a Pope were wrong!