Large J50 series ink cartridges reduce the amount of changeovers or replacements needed. Each color cartridge is separate to optimize ink and allow individual replacement. Combination of the four CMYK ink cartridges produces 16 million color possibilities Ink volume can allow for the printing of thousands of labels before the ink runs out depending on size and ink coverage of the label Four separate ink cartridges allow the usage of all of the ink in each cartridge and individual replacement as needed Ink cartridge replacement is simple and efficient in less than 10 seconds