When did Gutenberg invent paper?

Answer 1

Gutenberg did not invent paper.

He invented mechanical movable type printing and the typing press allowing to print books in numbers. In 1440.

The consequence of this invention was the increasing use of paper which led to the industrialisation of the paper industry.

Answer 2

Johannes Gutenberg did not invent paper. He is known for inventing the printing press with movable type in the 15th century, which revolutionized the way books were produced. Paper was invented in China around the 2nd century BCE, long before Gutenberg's time.