This is a compatible replacement laser toner cartridge for the Dell 310-5739 (G7028) cyan cartridge. It is guaranteed to perform with your Dell 3000cn laser printer. Manufactured brand new by a third-party manufacturer, this cartridge delivers optimal print quality while offering significant savings compared to expensive OEM options. The use of compatible cartridges does not void your printer's warranty. Backed by our 100% Quality Satisfaction Guarantee.