NEW HP LaserJet Pro 4001DNE (2Z600E). The NEW HP LaserJet Pro 4001DNE Laser Printer 2Z600E is a high-quality printer with a range of features that make it ideal for office use. With a maximum resolution of 1200 x 1200 DPI and a black print speed of 42 ppm, this printer can produce crisp and clear black and white prints quickly.