HP LaserJet Pro 3002dn laser printer For reliable office productivity. This laser printer is designed to power through large print volumes at high speed. Highlights: - Automatic double-sided printing - HP Wolf Pro Security - Ethernet - PIN/pull option authenticates your print jobs only when you're present This inkjet printer is intended to work only with Original HP ink cartridges and uses dynamic security measures to block cartridges using a non-HP chip. Regular firmware updates ensure that these measures remain effective. A reused HP chip enables the use of reused, recycled and refilled print cartridges. More at: http://www.hp.com/go/learnaboutsupplies