HP LaserJet M207dw Laser Printer This compact laser printer boasts a host of features, supporting you through your day-to-day business in the office or at home. Highlights: - Automatic duplex printing - Supports mobile printing - WLAN with automatic reset 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