HP LaserJet M234d MFP This compact 3-in-1 laser printer is perfect for personal and professional use at home. Highlights: - Fast printing, scanning and copying - Automatic duplex printing - High quality scanning results This printer is intended to work only with cartridges that have a new or reused HP chip, and it 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