The Konica Minolta TN321K TN321C TN321M TN321Y Toner Cartridges Set is a generic 5-piece set designed for Konica Minolta printers, specifically models Bizhub C224, C284, and C364. The set includes toner cartridges in cyan, yellow, magenta, and 2 black colors, all with a laser print technology for high-quality printing results.important to handle with care and dispose properly. Ideal for those looking to replenish their printer supplies with reliable and compatible toner cartridges.