answers

1 i think it works by taking in the amount of reflected light

2 the amount of yellow in green was high so was the red and deep red and cyan.

3 yes some of the printers were maybe a newer model or better ink or some other factor

4  all of the colors are allot brighter on the computer screen and dull on the paper  also.

5 it is the cmyks for in red there are 2 F and two of the colors of the cmyks are more then zero.

6 yes it is important for they need the exact color hex code to make sure they have the right colors

7 they might get a bad color or a wrong color .