This set includes four compatible Okidata Type C6 high yield laser toner cartridges designed for use with Okidata laser printers. Each cartridge is manufactured brand new with 100% new components, ensuring reliability and performance. This economical alternative to expensive OEM cartridges replaces the original Okidata 42127404 black, 42127403 cyan, 42127402 magenta, and 42127401 yellow cartridges. Backed by our 100% Quality Satisfaction Guarantee.