CF240A HP LaserJet Duplex Printing AssemblyGeneral Information Manufacturer: HP Inc. Manufacturer Part Number: CF240A Manufacturer Website Address: http: www. hp. com Brand Name: HP Product Name: LaserJet Duplex Printing Assembly Marketing Information: Save time, money and paper when you use HP's two sided printing accessory. The accessory prints both sides of the page automatically, so you can concentrate on more important work. You'll see budget savings because paper consumption is cut in