when was the printing press invented

Johannes Gutenberg is credited with inventing the mechanized printing press in Europe around 1440.

Development Timeline. Johannes Gutenberg began experimenting with printing in Strasbourg around 1440 and had a functional press operating in Mainz by 1450.
First European Records. The earliest European record of a printing press is found in a 1439 lawsuit in Strasbourg, which mentions the construction of a press for Gutenberg.
Earlier Asian Innovations. Printing with movable type and paper originated in China and Korea long before the European printing press was developed.
Technological Integration. Gutenberg's system combined existing technologies like the screw press, metal alloys for type, and specialized ink to create a complete, efficient printing process.