IMPORTANT: Include the C reference, the black reading and the colour reading for EACH machine. 
Include the C reference, the black reading and the colour reading. 
Include the C reference, the black reading and the colour reading. 
Include the C reference, the black reading and the colour reading. 
Include the C reference, the black reading and the colour reading. 
Include the C reference, the black reading and the colour reading. 
Include the C reference, the black reading and the colour reading. 
Include the C reference, the black reading and the colour reading. 
Include the C reference, the black reading and the colour reading. 
Include the C reference, the black reading and the colour reading.