In inkjet printers black color ink was mostly used by people.But some people uses the color ink to get some colorful print out reports.They can use four color inks on their printers.The cyan,magneta and yellow are the color inks among that four.The print out reports will change according to the color you use on your printer.You may use any color ink on your printer but you have to use black color ink compulsarily.You can read the reviews of inkjet printers on the website which sells printers. http://www.cheaprefills.info
