In other words, he was the first practical typographer, not the first printer.
"Paul and the Printing Press"
Sara Ware Bassett
The printing-press now for the first time appeared as the vehicle for popular literature; the art of the bard gave place to the art of the typographer, and the art of the preacher saw confronting it a formidable rival in that of the pamphleteer.
"German Culture Past and Present"
Ernest Belfort Bax
"The mirror of good manners, containing the four cardinal vertues," appeared from the press of Pynson, without date, "which boke," says the typographer, "I haue prynted at the instance and request of the ryght noble Rychard Yerle of Kent."
"The Ship of Fools, Volume 1"
Sebastian Brandt