This stems from the fact that the technical book of wood movable-type printing titled, "Kintei Bueiden Shuchinbanteishiki," was introduced from the Qing Dynasty, and the improvement of the wood movable-type printing technique took place.
この頃、清国より伝わった印刷技術書『欽定武英殿聚珍版程式』がもたらされ、木活字印刷の改良が進んだことが背景にあった。