Epic used to be a scribe, but had to devise a new way to work once he began getting arthritis due to having weak wrists and writing too much every day. He created a printing press so that he could continue his work without continually damaging his wrists.

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In 1906, the Eagle Printing Ink Company incorporated the four-color wet process inks for the first time. These four colors were cyan, magenta, yellow, and black (also known as key), hence the name CMYK. It was discovered that these four colors can be combined to produce an almost unlimited number of richer, darker tones.