It can sometimes be cheaper to buy a new printer than to replace the set of ink or toner cartridges supplied with the printer. The major printer manufacturers − Hewlett Packard,hp Lexmark, Dell, Canon, Epson samsung toshiba kyocera Brother − use a "razor and blades" business model, often breaking even or losing money selling printers while expecting to make a profit by selling cartridges over the life of the printer. Since much of the printer manufacturers' profits are from ink and toner cartridge sales, some of these companies have taken various actions against aftermarket cartridges. One by heavily using advertising that only favour them. Do not be brainwashed refill your used toner cartridge Save refill reuse call free delivery any where within nairobi county.