Different type of printers use different type of inks to print the reports.In inkjet printers ink is used for printing in papers.You can use both the color and black inks for printing the matter on the papers.In laser printer toners are used for printing.Toner is a particle which is electrically charged.It may be positve charged or negative charged particles.Both the charged paricles are in that toner.The catridge will arrange the particles according to the matter which is given for printing. http://www.cheaprefills.info