Did you know that Gutenberg did not invent the movable type? Movable type was used in China as early as 1041 and it was made with clay. Johannes Gutenberg’s accomplishment was to complete, in 1440, a wooden printing press which used movable metal types.

What is the second greatest invention in the history of printing? The Linotype machine invented by Ottmar Mergenthaler in 1886, USA. Instead of casting types one by one you could now cast lines of types.

In 1935, the Xerography process invented by Chester Carlson leads to the invention of the Xerox photocopier.

In 1973, the first xerographic computer output printer, Xerox 1200, was introduced.