Leonardo da Vinci designed a printing press concept intended to automate the setting and printing of words from movable type.
His notes show an interest in improving the efficiency of printing, which had expanded rapidly in Europe after Johannes Gutenberg’s mid-15th-century innovations. Leonardo’s concept included mechanical arrangements for handling type and producing repeated impressions, reflecting his broader interest in automation and precision machinery.
Leonardo did not invent the printing press, and he did not replace Gutenberg’s established technology. European printers were already using presses and movable metal type during Leonardo’s lifetime. His contribution was a proposed improvement to the machinery and workflow of printing.
The design is sometimes incorrectly described as a typewriter. A typewriter produces individual characters directly onto a surface, while a printing press transfers ink from prepared type or a plate. Leonardo’s press concept belongs to the history of mechanical printing, not to the later history of office machines.